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Uintah County, Utah, USAi
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06695570017536328016169.jpg
Mining Facilities on the Cowboy Eureka Vein (Cowboy-Bonanza Vein)

Bonanza Area, Uintah County, Utah, USA
09598850017525926595027.jpg
Mining Facilities on the Cowboy Eureka Vein (Cowboy-Bonanza Vein)

Bonanza Area, Uintah County, Utah, USA
Neighbouring regions:
Daggett County, Utah, USA
Carbon County, Utah, USA
Moffat County, Colorado, USA
Emery County, Utah, USA
Rio Blanco County, Colorado, USA
Grand County, Utah, USA
Garfield County, Colorado, USA
Duchesne County, Utah, USA
Type:
County
Largest Settlements:
PlacePopulation
Vernal11,200(2017)
Maeser3,601(2011)
Naples2,212(2017)
Ballard1,106(2017)
Fort Duchesne714(2011)
Jensen412(2011)
Mindat Locality ID:
4187
Long-form identifier:
mindat:1:2:4187:7
GUID (UUID V4):
0
Other Languages:
ⓘAnalcime


48 valid minerals.3(TL) - type locality of valid minerals.1 erroneous literature entry.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical ListTree Diagram

Detailed Mineral List:

ⓘAbelsonite (TL)
Formula:Ni(C31H32N4)
Localities: Reported from at least8 localities in this region.
ⓘAnalcime
Formula:Na(AlSi2O6) · H2O
Description: North of Vernal from Chinle Formation.
ⓘ'Apatite'
Formula:Ca5(PO4)3(Cl/F/OH)
Localities: Reported from at least7 localities in this region.
ⓘ'Apatite var. Collophane'
Formula:Ca5(PO4)3(Cl/F/OH)
ⓘ'Apophyllite Group'
Formula:AB4[Si8O22]X · 8H2O
ⓘAutunite
Formula:Ca(UO2)2(PO4)2 · 10-12H2O
ⓘAzurite
Formula:Cu3(CO3)2(OH)2
Localities: Reported from at least9 localities in this region.
ⓘBarytocalcite
Formula:BaCa(CO3)2
ⓘBornite
Formula:Cu5FeS4
ⓘBurbankite
Formula:(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
ⓘCalcite
Formula:CaCO3
ⓘCarnotite
Formula:K2(UO2)2(VO4)2 · 3H2O
Localities: Reported from at least6 localities in this region.
ⓘCerussite
Formula:PbCO3
ⓘChalcocite
Formula:Cu2S
ⓘChlorargyrite
Formula:AgCl
ⓘChromite
Formula:Fe2+Cr3+2O4
ⓘDolomite
Formula:CaMg(CO3)2
ⓘElpidite
Formula:Na2ZrSi6O15 · 3H2O
ⓘFluorapatite
Formula:Ca5(PO4)3F
ⓘFluorapatite var. Carbonate-rich Fluorapatite
Formula:Ca5(PO4,CO3)3(F,O)
ⓘGalena
Formula:PbS
ⓘ'Garnet Group'
Formula:X3Z2(SiO4)3
ⓘGarrelsite (TL)
Formula:Ba3NaSi2B7O16(OH)4
ⓘ'Glauconite'
Formula:K0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Description: North of Vernal from Curtis Formation
ⓘGoethite
Formula:Fe3+O(OH)
ⓘGypsum
Formula:CaSO4 · 2H2O
ⓘHalotrichite
Formula:FeAl2(SO4)4 · 22H2O
ⓘHematite
Formula:Fe2O3
Localities: Reported from at least12 localities in this region.
ⓘIlmenite
Formula:Fe2+TiO3
ⓘIlsemannite
Formula:Mo3O8 · nH2O
ⓘLeucosphenite
Formula:BaNa4Ti2B2Si10O30
ⓘ'Limonite'
Localities: Reported from at least7 localities in this region.
ⓘLoughlinite
Formula:Na2Mg3Si6O16 · 8H2O
ⓘMalachite
Formula:Cu2(CO3)(OH)2
Localities: Reported from at least23 localities in this region.
ⓘ'Mica Group'
ⓘMolybdenite
Formula:MoS2
ⓘMolybdite
Formula:MoO3
ⓘ'Monazite Group'
Formula:REE(PO4)
ⓘMottramite
Formula:PbCu(VO4)(OH)
ⓘNahcolite
Formula:NaHCO3
ⓘNative Gold
Formula:Au
Localities: Reported from at least8 localities in this region.
ⓘNeighborite (TL)
Formula:NaMgF3
ⓘOrthoclase
Formula:K(AlSi3O8)
ⓘ'Petroleum var. Bitumen'
Localities: Reported from at least13 localities in this region.
ⓘPlatinum
Formula:Pt
ⓘPyrite
Formula:FeS2
ⓘPyrolusite
Formula:Mn4+O2
ⓘQuartz
Formula:SiO2
ⓘQuartz var. Agate
Formula:SiO2
ⓘQuartz var. Chalcedony
Formula:SiO2
ⓘReedmergnerite
Formula:NaBSi3O8
ⓘSearlesite
Formula:Na(H2BSi2O7)
ⓘShortite
Formula:Na2Ca2(CO3)3
ⓘSmithsonite
Formula:ZnCO3
ⓘSphalerite
Formula:ZnS
ⓘTorbernite
Formula:Cu(UO2)2(PO4)2 · 12H2O
ⓘTyuyamunite
Formula:Ca(UO2)2(VO4)2 · 5-8H2O
ⓘUraninite
Formula:UO2
ⓘVariscite
Formula:AlPO4 · 2H2O
Locality:Vernal, Uintah County, Utah, USA - erroneously reported
ⓘWurtzite
Formula:(Zn,Fe)S
ⓘZircon
Formula:Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
ⓘPlatinum1.AF.10Pt
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘBornite2.BA.15Cu5FeS4
ⓘSphalerite2.CB.05aZnS
ⓘWurtzite2.CB.45(Zn,Fe)S
ⓘGalena2.CD.10PbS
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
Group 3 - Halides
ⓘChlorargyrite3.AA.15AgCl
ⓘNeighborite (TL)3.AA.35NaMgF3
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz
var. Agate		4.DA.05SiO2
ⓘvar. Chalcedony4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘPyrolusite4.DB.05Mn4+O2
ⓘUraninite4.DL.05UO2
ⓘMolybdite4.E0.10MoO3
ⓘIlsemannite4.FJ.15Mo3O8 · nH2O
ⓘCarnotite4.HB.05K2(UO2)2(VO4)2 · 3H2O
ⓘTyuyamunite4.HB.25Ca(UO2)2(VO4)2 · 5-8H2O
Group 5 - Nitrates and Carbonates
ⓘNahcolite5.AA.15NaHCO3
ⓘCalcite5.AB.05CaCO3
ⓘSmithsonite5.AB.05ZnCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘCerussite5.AB.15PbCO3
ⓘBarytocalcite5.AB.45BaCa(CO3)2
ⓘShortite5.AC.25Na2Ca2(CO3)3
ⓘBurbankite5.AC.30(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘHalotrichite7.CB.85FeAl2(SO4)4 · 22H2O
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMottramite8.BH.40PbCu(VO4)(OH)
ⓘFluorapatite
var. Carbonate-rich Fluorapatite		8.BN.05Ca5(PO4,CO3)3(F,O)
ⓘ8.BN.05Ca5(PO4)3F
ⓘVariscite ?8.CD.10AlPO4 · 2H2O
ⓘAutunite8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
ⓘTorbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘGarrelsite (TL)9.AJ.15Ba3NaSi2B7O16(OH)4
ⓘElpidite9.DG.65Na2ZrSi6O15 · 3H2O
ⓘLeucosphenite9.DP.15BaNa4Ti2B2Si10O30
ⓘLoughlinite9.EE.25Na2Mg3Si6O16 · 8H2O
ⓘSearlesite9.EF.15Na(H2BSi2O7)
ⓘOrthoclase9.FA.30K(AlSi3O8)
ⓘReedmergnerite9.FA.35NaBSi3O8
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
Group 10 - Organic Compounds
ⓘAbelsonite (TL)10.CA.20Ni(C31H32N4)
Unclassified
ⓘ'Apophyllite Group'-AB4[Si8O22]X · 8H2O
ⓘ'Glauconite'-K0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
ⓘ'Limonite'-
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Mica Group'-
ⓘ'Petroleum
var. Bitumen'		-
ⓘ'Apatite
var. Collophane'		-Ca5(PO4)3(Cl/F/OH)
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
HⓘAbelsoniteNi(C31H32N4)
HⓘAnalcimeNa(AlSi2O6) · H2O
HⓘApophyllite GroupAB4[Si8O22]X · 8H2O
HⓘAutuniteCa(UO2)2(PO4)2 · 10-12H2O
HⓘAzuriteCu3(CO3)2(OH)2
HⓘCarnotiteK2(UO2)2(VO4)2 · 3H2O
HⓘElpiditeNa2ZrSi6O15 · 3H2O
HⓘGarrelsiteBa3NaSi2B7O16(OH)4
HⓘGlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
HⓘGoethiteFe3+O(OH)
HⓘGypsumCaSO4 · 2H2O
HⓘHalotrichiteFeAl2(SO4)4 · 22H2O
HⓘIlsemanniteMo3O8 · nH2O
HⓘLoughliniteNa2Mg3Si6O16 · 8H2O
HⓘMalachiteCu2(CO3)(OH)2
HⓘMottramitePbCu(VO4)(OH)
HⓘNahcoliteNaHCO3
HⓘSearlesiteNa(H2BSi2O7)
HⓘTorberniteCu(UO2)2(PO4)2 · 12H2O
HⓘTyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
HⓘVarisciteAlPO4 · 2H2O
HⓘApatite var.CollophaneCa5(PO4)3(Cl/F/OH)
HⓘApatiteCa5(PO4)3(Cl/F/OH)
BBoron
BⓘGarrelsiteBa3NaSi2B7O16(OH)4
BⓘLeucospheniteBaNa4Ti2B2Si10O30
BⓘReedmergneriteNaBSi3O8
BⓘSearlesiteNa(H2BSi2O7)
CCarbon
CⓘAbelsoniteNi(C31H32N4)
CⓘAzuriteCu3(CO3)2(OH)2
CⓘBarytocalciteBaCa(CO3)2
CⓘBurbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
CⓘCalciteCaCO3
CⓘFluorapatite var.Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
CⓘCerussitePbCO3
CⓘDolomiteCaMg(CO3)2
CⓘMalachiteCu2(CO3)(OH)2
CⓘNahcoliteNaHCO3
CⓘShortiteNa2Ca2(CO3)3
CⓘSmithsoniteZnCO3
NNitrogen
NⓘAbelsoniteNi(C31H32N4)
OOxygen
OⓘQuartz var.AgateSiO2
OⓘAnalcimeNa(AlSi2O6) · H2O
OⓘApophyllite GroupAB4[Si8O22]X · 8H2O
OⓘAutuniteCa(UO2)2(PO4)2 · 10-12H2O
OⓘAzuriteCu3(CO3)2(OH)2
OⓘBarytocalciteBaCa(CO3)2
OⓘBurbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
OⓘCalciteCaCO3
OⓘFluorapatite var.Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
OⓘCarnotiteK2(UO2)2(VO4)2 · 3H2O
OⓘCerussitePbCO3
OⓘQuartz var.ChalcedonySiO2
OⓘChromiteFe2+Cr23+O4
OⓘDolomiteCaMg(CO3)2
OⓘElpiditeNa2ZrSi6O15 · 3H2O
OⓘFluorapatiteCa5(PO4)3F
OⓘGarrelsiteBa3NaSi2B7O16(OH)4
OⓘGlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
OⓘGoethiteFe3+O(OH)
OⓘGypsumCaSO4 · 2H2O
OⓘHalotrichiteFeAl2(SO4)4 · 22H2O
OⓘHematiteFe2O3
OⓘIlmeniteFe2+TiO3
OⓘIlsemanniteMo3O8 · nH2O
OⓘLeucospheniteBaNa4Ti2B2Si10O30
OⓘLoughliniteNa2Mg3Si6O16 · 8H2O
OⓘMalachiteCu2(CO3)(OH)2
OⓘMolybditeMoO3
OⓘMonazite GroupREE(PO4)
OⓘMottramitePbCu(VO4)(OH)
OⓘNahcoliteNaHCO3
OⓘOrthoclaseK(AlSi3O8)
OⓘPyrolusiteMn4+O2
OⓘQuartzSiO2
OⓘReedmergneriteNaBSi3O8
OⓘSearlesiteNa(H2BSi2O7)
OⓘShortiteNa2Ca2(CO3)3
OⓘSmithsoniteZnCO3
OⓘTorberniteCu(UO2)2(PO4)2 · 12H2O
OⓘTyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
OⓘUraniniteUO2
OⓘVarisciteAlPO4 · 2H2O
OⓘZirconZr(SiO4)
OⓘApatite var.CollophaneCa5(PO4)3(Cl/F/OH)
OⓘGarnet GroupX3Z2(SiO4)3
OⓘApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
FⓘFluorapatite var.Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
FⓘFluorapatiteCa5(PO4)3F
FⓘNeighboriteNaMgF3
FⓘApatite var.CollophaneCa5(PO4)3(Cl/F/OH)
FⓘApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
NaⓘAnalcimeNa(AlSi2O6) · H2O
NaⓘBurbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
NaⓘElpiditeNa2ZrSi6O15 · 3H2O
NaⓘGarrelsiteBa3NaSi2B7O16(OH)4
NaⓘLeucospheniteBaNa4Ti2B2Si10O30
NaⓘLoughliniteNa2Mg3Si6O16 · 8H2O
NaⓘNahcoliteNaHCO3
NaⓘNeighboriteNaMgF3
NaⓘReedmergneriteNaBSi3O8
NaⓘSearlesiteNa(H2BSi2O7)
NaⓘShortiteNa2Ca2(CO3)3
MgMagnesium
MgⓘDolomiteCaMg(CO3)2
MgⓘGlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
MgⓘLoughliniteNa2Mg3Si6O16 · 8H2O
MgⓘNeighboriteNaMgF3
AlAluminium
AlⓘAnalcimeNa(AlSi2O6) · H2O
AlⓘGlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
AlⓘHalotrichiteFeAl2(SO4)4 · 22H2O
AlⓘOrthoclaseK(AlSi3O8)
AlⓘVarisciteAlPO4 · 2H2O
SiSilicon
SiⓘQuartz var.AgateSiO2
SiⓘAnalcimeNa(AlSi2O6) · H2O
SiⓘApophyllite GroupAB4[Si8O22]X · 8H2O
SiⓘQuartz var.ChalcedonySiO2
SiⓘElpiditeNa2ZrSi6O15 · 3H2O
SiⓘGarrelsiteBa3NaSi2B7O16(OH)4
SiⓘGlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
SiⓘLeucospheniteBaNa4Ti2B2Si10O30
SiⓘLoughliniteNa2Mg3Si6O16 · 8H2O
SiⓘOrthoclaseK(AlSi3O8)
SiⓘQuartzSiO2
SiⓘReedmergneriteNaBSi3O8
SiⓘSearlesiteNa(H2BSi2O7)
SiⓘZirconZr(SiO4)
SiⓘGarnet GroupX3Z2(SiO4)3
PPhosphorus
PⓘAutuniteCa(UO2)2(PO4)2 · 10-12H2O
PⓘFluorapatite var.Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
PⓘFluorapatiteCa5(PO4)3F
PⓘMonazite GroupREE(PO4)
PⓘTorberniteCu(UO2)2(PO4)2 · 12H2O
PⓘVarisciteAlPO4 · 2H2O
PⓘApatite var.CollophaneCa5(PO4)3(Cl/F/OH)
PⓘApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
SⓘBorniteCu5FeS4
SⓘChalcociteCu2S
SⓘGalenaPbS
SⓘGypsumCaSO4 · 2H2O
SⓘHalotrichiteFeAl2(SO4)4 · 22H2O
SⓘMolybdeniteMoS2
SⓘPyriteFeS2
SⓘSphaleriteZnS
SⓘWurtzite(Zn,Fe)S
ClChlorine
ClⓘChlorargyriteAgCl
ClⓘApatite var.CollophaneCa5(PO4)3(Cl/F/OH)
ClⓘApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
KⓘCarnotiteK2(UO2)2(VO4)2 · 3H2O
KⓘGlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
KⓘOrthoclaseK(AlSi3O8)
CaCalcium
CaⓘAutuniteCa(UO2)2(PO4)2 · 10-12H2O
CaⓘBarytocalciteBaCa(CO3)2
CaⓘBurbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
CaⓘCalciteCaCO3
CaⓘFluorapatite var.Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
CaⓘDolomiteCaMg(CO3)2
CaⓘFluorapatiteCa5(PO4)3F
CaⓘGypsumCaSO4 · 2H2O
CaⓘShortiteNa2Ca2(CO3)3
CaⓘTyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
CaⓘApatite var.CollophaneCa5(PO4)3(Cl/F/OH)
CaⓘApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
TiⓘIlmeniteFe2+TiO3
TiⓘLeucospheniteBaNa4Ti2B2Si10O30
VVanadium
VⓘCarnotiteK2(UO2)2(VO4)2 · 3H2O
VⓘMottramitePbCu(VO4)(OH)
VⓘTyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
CrChromium
CrⓘChromiteFe2+Cr23+O4
MnManganese
MnⓘPyrolusiteMn4+O2
FeIron
FeⓘBorniteCu5FeS4
FeⓘChromiteFe2+Cr23+O4
FeⓘGlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
FeⓘGoethiteFe3+O(OH)
FeⓘHalotrichiteFeAl2(SO4)4 · 22H2O
FeⓘHematiteFe2O3
FeⓘIlmeniteFe2+TiO3
FeⓘPyriteFeS2
FeⓘWurtzite(Zn,Fe)S
NiNickel
NiⓘAbelsoniteNi(C31H32N4)
CuCopper
CuⓘAzuriteCu3(CO3)2(OH)2
CuⓘBorniteCu5FeS4
CuⓘChalcociteCu2S
CuⓘMalachiteCu2(CO3)(OH)2
CuⓘMottramitePbCu(VO4)(OH)
CuⓘTorberniteCu(UO2)2(PO4)2 · 12H2O
ZnZinc
ZnⓘSmithsoniteZnCO3
ZnⓘSphaleriteZnS
ZnⓘWurtzite(Zn,Fe)S
SrStrontium
SrⓘBurbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
ZrZirconium
ZrⓘElpiditeNa2ZrSi6O15 · 3H2O
ZrⓘZirconZr(SiO4)
MoMolybdenum
MoⓘIlsemanniteMo3O8 · nH2O
MoⓘMolybdeniteMoS2
MoⓘMolybditeMoO3
AgSilver
AgⓘChlorargyriteAgCl
BaBarium
BaⓘBarytocalciteBaCa(CO3)2
BaⓘBurbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
BaⓘGarrelsiteBa3NaSi2B7O16(OH)4
BaⓘLeucospheniteBaNa4Ti2B2Si10O30
CeCerium
CeⓘBurbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
PtPlatinum
PtⓘPlatinumPt
AuGold
AuⓘNative GoldAu
PbLead
PbⓘCerussitePbCO3
PbⓘGalenaPbS
PbⓘMottramitePbCu(VO4)(OH)
UUranium
UⓘAutuniteCa(UO2)2(PO4)2 · 10-12H2O
UⓘCarnotiteK2(UO2)2(VO4)2 · 3H2O
UⓘTorberniteCu(UO2)2(PO4)2 · 12H2O
UⓘTyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
UⓘUraniniteUO2

Fossils

There are 71 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences619
Youngest Fossil Listed23.0 Ma (Miocene)
Oldest Fossil Listed260 Ma (Permian)
Stratigraphic UnitsClick here to view 31 stratigraphic units.
Fossils from RegionClick here to show the list.
Accepted NameHierarchyAge
Mollusca
phylum		Animalia :Mollusca157.3 - 152.1 Ma
Jurassic
Chondrichthyes
class		Animalia :Chordata :Chondrichthyes157.3 - 152.1 Ma
Jurassic
Osteichthyes
unranked clade		Animalia :Chordata :Osteichthyes150.8 - 145 Ma
Late Jurassic
Ichthyosauria
unranked clade		Animalia :Chordata :Reptilia :Ichthyosauria164.7 - 155.7 Ma
Jurassic
Crocodylia
unranked clade		Animalia :Chordata :Reptilia :Crocodylia157.3 - 40.4 Ma
Phanerozoic
Aves
class		Animalia :Chordata :Aves56 - 33.9 Ma
Paleogene
Mammalia
class		Animalia :Chordata :Mammalia157.3 - 145 Ma
Jurassic
Carnivora
order		Animalia :Chordata :Mammalia :Carnivora46.2 - 40.4 Ma
Eocene
Discoglossidae
family		Animalia :Chordata :Amphibia :Anura :Discoglossidae157.3 - 152.1 Ma
Jurassic
Glyptops
genus		Animalia :Chordata :Reptilia :Testudines :Pleurosternidae :Glyptops157.3 - 145 Ma
Jurassic
Baenidae
family		Animalia :Chordata :Reptilia :Testudines :Baenidae46.2 - 40.4 Ma
Eocene
Trionychidae
family		Animalia :Chordata :Reptilia :Testudines :Trionychidae50.3 - 46.2 Ma
Eocene
Echmatemys
genus		Animalia :Chordata :Reptilia :Testudines :Geoemydidae :Echmatemys50.3 - 40.4 Ma
Eocene
Dinochelys
genus		Animalia :Chordata :Reptilia :Testudines :Pleurosternidae :Dinochelys150.8 - 145 Ma
Late Jurassic
Drepanosauridae
family		Animalia :Chordata :Reptilia :Drepanosauridae237 - 201.3 Ma
Mesozoic
Sphenodontidae
family		Animalia :Chordata :Reptilia :Rhynchocephalia :Sphenodontidae157.3 - 145 Ma
Jurassic
Opisthias
genus		Animalia :Chordata :Reptilia :Rhynchocephalia :Sphenodontidae :Opisthias157.3 - 145 Ma
Jurassic
Lacertilia
suborder		Animalia :Chordata :Reptilia :Squamata :Lacertilia157.3 - 145 Ma
Jurassic
Cteniogenys
genus		Animalia :Chordata :Reptilia :Cteniogenyidae :Cteniogenys157.3 - 145 Ma
Jurassic
Parasauromalus
genus		Animalia :Chordata :Reptilia :Squamata :Iguanidae :Parasauromalus50.3 - 46.2 Ma
Eocene
Palaeoxantusia
genus		Animalia :Chordata :Reptilia :Squamata :Xantusiidae :Palaeoxantusia50.3 - 46.2 Ma
Eocene
Glyptosaurus
genus		Animalia :Chordata :Reptilia :Squamata :Anguidae :Glyptosaurus46.2 - 40.4 Ma
Eocene
Helodermoides
genus		Animalia :Chordata :Reptilia :Squamata :Anguidae :Helodermoides46.2 - 40.4 Ma
Eocene
Saniwa
genus		Animalia :Chordata :Reptilia :Squamata :Varanidae :Saniwa50.3 - 46.2 Ma
Eocene
Serpentes
unranked clade		Animalia :Chordata :Reptilia :Squamata :Serpentes157.3 - 145 Ma
Jurassic
Booidea
superfamily		Animalia :Chordata :Reptilia :Squamata :Booidea50.3 - 46.2 Ma
Eocene
Goniopholis
genus		Animalia :Chordata :Reptilia :Crocodylia :Goniopholididae :Goniopholis157.3 - 145 Ma
Jurassic
Crocodylus
genus		Animalia :Chordata :Reptilia :Crocodylia :Crocodylidae :Crocodylus46.2 - 40.4 Ma
Eocene
Theropoda
unranked clade		Animalia :Chordata :Saurischia :Theropoda237 - 145 Ma
Mesozoic
Allosaurus
genus		Animalia :Chordata :Reptilia :Dinosauria :Allosauridae :Allosaurus157.3 - 145 Ma
Jurassic
Ceratosaurus
genus		Animalia :Chordata :Reptilia :Dinosauria :Ceratosauridae :Ceratosaurus150.8 - 145 Ma
Late Jurassic
Sauropoda
unranked clade		Animalia :Chordata :Saurischia :Sauropoda157.3 - 145 Ma
Jurassic
Diplodocidae
family		Animalia :Chordata :Reptilia :Dinosauria :Diplodocidae150.8 - 145 Ma
Late Jurassic
Apatosaurus
genus		Animalia :Chordata :Reptilia :Dinosauria :Diplodocidae :Apatosaurus157.3 - 145 Ma
Jurassic
Barosaurus
genus		Animalia :Chordata :Reptilia :Dinosauria :Diplodocidae :Barosaurus150.8 - 145 Ma
Late Jurassic
Diplodocus
genus		Animalia :Chordata :Reptilia :Dinosauria :Diplodocidae :Diplodocus157.3 - 145 Ma
Jurassic
Brachiosaurus
genus		Animalia :Chordata :Reptilia :Dinosauria :Brachiosauridae :Brachiosaurus157.3 - 145 Ma
Jurassic
Camarasaurus
genus		Animalia :Chordata :Reptilia :Dinosauria :Camarasauridae :Camarasaurus157.3 - 145 Ma
Jurassic
Ornithischia
unranked clade		Animalia :Chordata :Ornithischia157.3 - 145 Ma
Jurassic
Ornithopoda
unranked clade		Animalia :Chordata :Ornithischia :Ornithopoda150.8 - 89.8 Ma
Mesozoic
Dryosaurus
genus		Animalia :Chordata :Reptilia :Dinosauria :Dryosauridae :Dryosaurus157.3 - 145 Ma
Jurassic
Camptosaurus
genus		Animalia :Chordata :Reptilia :Dinosauria :Camptosaurus157.3 - 145 Ma
Jurassic
Stegosaurus
genus		Animalia :Chordata :Reptilia :Dinosauria :Stegosauridae :Stegosaurus157.3 - 145 Ma
Jurassic
Priacodon
genus		Animalia :Chordata :Mammalia :Triconodontidae :Priacodon157.3 - 152.1 Ma
Jurassic
Docodon
genus		Animalia :Chordata :Mammalia :Docodontidae :Docodon157.3 - 145 Ma
Jurassic
Multituberculata
order		Animalia :Chordata :Mammalia :Multituberculata157.3 - 145 Ma
Jurassic
Ctenacodon
genus		Animalia :Chordata :Mammalia :Plagiaulacidae :Ctenacodon157.3 - 145 Ma
Jurassic
Theria
subclass		Animalia :Chordata :Mammalia :Theria157.3 - 152.1 Ma
Jurassic
Symmetrodonta
infraclass		Animalia :Chordata :Mammalia :Symmetrodonta157.3 - 152.1 Ma
Jurassic
Spalacotheriidae
family		Animalia :Chordata :Mammalia :Spalacotheriidae157.3 - 145 Ma
Jurassic
Dryolestidae
family		Animalia :Chordata :Mammalia :Dryolestidae157.3 - 145 Ma
Jurassic
Amblotherium
genus		Animalia :Chordata :Mammalia :Dryolestidae :Amblotherium157.3 - 145 Ma
Jurassic
Dryolestes
genus		Animalia :Chordata :Mammalia :Dryolestidae :Dryolestes157.3 - 152.1 Ma
Jurassic
Euthlastus
genus		Animalia :Chordata :Mammalia :Paurodontidae :Euthlastus157.3 - 152.1 Ma
Jurassic
Crypholestes
genus		Animalia :Chordata :Mammalia :Erinaceomorpha :Amphilemuridae :Crypholestes50.3 - 46.2 Ma
Eocene
Micropternodus
genus		Animalia :Chordata :Mammalia :Micropternodontidae :Micropternodus46.2 - 40.4 Ma
Eocene
Apternodontidae
family		Animalia :Chordata :Mammalia :Apternodontidae50.3 - 46.2 Ma
Eocene
Trogosus
genus		Animalia :Chordata :Mammalia :Tillotheriidae :Trogosus50.3 - 46.2 Ma
Eocene
Coryphodon
genus		Animalia :Chordata :Mammalia :Coryphodontidae :Coryphodon55.8 - 50.3 Ma
Eocene
Uintatherium
genus		Animalia :Chordata :Mammalia :Uintatheriidae :Uintatherium46.2 - 40.4 Ma
Eocene
Ageina
genus		Animalia :Chordata :Mammalia :Chiroptera :Palaeochiropterygidae :Ageina50.3 - 46.2 Ma
Eocene
Microsyops
genus		Animalia :Chordata :Mammalia :Primates :Microsyopidae :Microsyops50.3 - 46.2 Ma
Eocene
Anemorhysis
genus		Animalia :Chordata :Mammalia :Primates :Anaptomorphidae :Anemorhysis55.8 - 50.3 Ma
Eocene
Miacidae
family		Animalia :Chordata :Mammalia :Carnivora :Miacidae50.3 - 40.4 Ma
Eocene
Miacis
genus		Animalia :Chordata :Mammalia :Carnivora :Miacidae :Miacis46.2 - 40.4 Ma
Eocene
Oodectes
genus		Animalia :Chordata :Mammalia :Carnivora :Miacidae :Oodectes50.3 - 46.2 Ma
Eocene
Viverravidae
family		Animalia :Chordata :Mammalia :Carnivora :Viverravidae46.2 - 40.4 Ma
Eocene
Rodentia
order		Animalia :Chordata :Mammalia :Rodentia46.2 - 40.4 Ma
Eocene
Paramys
genus		Animalia :Chordata :Mammalia :Rodentia :Ischyromyidae :Paramys55.8 - 50.3 Ma
Eocene
Pseudotomus
genus		Animalia :Chordata :Mammalia :Rodentia :Ischyromyidae :Pseudotomus50.3 - 46.2 Ma
Eocene
Sciuravidae
family		Animalia :Chordata :Mammalia :Rodentia :Sciuravidae50.3 - 46.2 Ma
Eocene
Pauromys
genus		Animalia :Chordata :Mammalia :Rodentia :Sciuravidae :Pauromys50.3 - 46.2 Ma
Eocene
Pareumys
genus		Animalia :Chordata :Mammalia :Rodentia :Cylindrodontidae :Pareumys46.2 - 40.4 Ma
Eocene
Phenacodontidae
family		Animalia :Chordata :Mammalia :Phenacodontidae55.8 - 50.3 Ma
Eocene
Agriochoeridae
family		Animalia :Chordata :Mammalia :Artiodactyla :Agriochoeridae46.2 - 40.4 Ma
Eocene
Leptotragulus
genus		Animalia :Chordata :Mammalia :Artiodactyla :Protoceratidae :Leptotragulus46.2 - 40.4 Ma
Eocene
Mesonychidae
family		Animalia :Chordata :Mammalia :Cetacea :Mesonychidae50.3 - 46.2 Ma
Eocene
Mesonyx
genus		Animalia :Chordata :Mammalia :Cetacea :Mesonychidae :Mesonyx46.2 - 40.4 Ma
Eocene
Lambdotherium
genus		Animalia :Chordata :Mammalia :Perissodactyla :Brontotheriidae :Lambdotherium55.8 - 50.3 Ma
Eocene
Equidae
family		Animalia :Chordata :Mammalia :Perissodactyla :Equidae55.8 - 50.3 Ma
Eocene
Brontotheriidae
family		Animalia :Chordata :Mammalia :Perissodactyla :Brontotheriidae46.2 - 40.4 Ma
Eocene
Duchesneodus
genus		Animalia :Chordata :Mammalia :Perissodactyla :Brontotheriidae :Duchesneodus46.2 - 40.4 Ma
Eocene
Metarhinus
genus		Animalia :Chordata :Mammalia :Perissodactyla :Brontotheriidae :Metarhinus46.2 - 40.4 Ma
Eocene
Protitanotherium
genus		Animalia :Chordata :Mammalia :Perissodactyla :Brontotheriidae :Protitanotherium46.2 - 40.4 Ma
Eocene
Sphenocoelus
genus		Animalia :Chordata :Mammalia :Perissodactyla :Brontotheriidae :Sphenocoelus46.2 - 40.4 Ma
Eocene
Colodon
genus		Animalia :Chordata :Mammalia :Perissodactyla :Helaletidae :Colodon40.4 - 37.2 Ma
Eocene
Rhinocerotoidea
superfamily		Animalia :Chordata :Mammalia :Perissodactyla :Rhinocerotoidea46.2 - 40.4 Ma
Eocene
Aethomylos simplicidens
species		Animalia :Chordata :Mammalia :Holoclemensiidae :Aethomylos :Aethomylos simplicidens50.3 - 46.2 Ma
Eocene
Agriochoerus maximus
species		Animalia :Chordata :Mammalia :Artiodactyla :Anoplotheriidae :Agriochoerus :Agriochoerus maximus40.4 - 37.2 Ma
Eocene
Protoreodon pumilus
species		Animalia :Chordata :Mammalia :Artiodactyla :Agriochoeridae :Protoreodon :Protoreodon pumilus46.2 - 40.4 Ma
Eocene
Amynodon reedi
species		Animalia :Chordata :Mammalia :Perissodactyla :Amynodontidae :Amynodon :Amynodon reedi46.2 - 40.4 Ma
Eocene
Anaptomorphus aemulus
species		Animalia :Chordata :Mammalia :Primates :Anaptomorphidae :Anaptomorphus :Anaptomorphus aemulus50.3 - 46.2 Ma
Eocene
Epihippus gracilis
species		Animalia :Chordata :Mammalia :Perissodactyla :Equidae :Epihippus :Epihippus gracilis46.2 - 40.4 Ma
Eocene
Apataelurus kayi
species		Oxyaenidae :Apataelurus :Apataelurus kayi46.2 - 40.4 Ma
Eocene
Apatemys bellulus
species		Animalia :Chordata :Mammalia :Apatemyidae :Apatemys :Apatemys bellulus50.3 - 46.2 Ma
Eocene
Apatemys bellus
species		Animalia :Chordata :Mammalia :Apatemyidae :Apatemys :Apatemys bellus50.3 - 46.2 Ma
Eocene
Apatemys rodens
species		Animalia :Chordata :Mammalia :Apatemyidae :Apatemys :Apatemys rodens50.3 - 46.2 Ma
Eocene
Armintodelphys dawsoni
species		Animalia :Chordata :Mammalia :Didelphimorphia :Didelphidae :Armintodelphys :Armintodelphys dawsoni50.3 - 46.2 Ma
Eocene
Auxontodon pattersoni
species		Animalia :Chordata :Mammalia :Artiodactyla :Antiacodontidae :Auxontodon :Auxontodon pattersoni46.2 - 40.4 Ma
Eocene
Brachyhyops wyomingensis
species		Animalia :Chordata :Mammalia :Artiodactyla :Entelodontidae :Brachyhyops :Brachyhyops wyomingensis40.4 - 37.2 Ma
Eocene
Bunomeryx montanus
species		Animalia :Chordata :Mammalia :Artiodactyla :Bunomerycidae :Bunomeryx :Bunomeryx montanus46.2 - 40.4 Ma
Eocene
Penetrigonias dakotensis
species		Animalia :Chordata :Mammalia :Perissodactyla :Rhinocerotidae :Penetrigonias :Penetrigonias dakotensis40.4 - 37.2 Ma
Eocene
Centetodon bembicophagus
species		Animalia :Chordata :Mammalia :Geolabididae :Centetodon :Centetodon bembicophagus50.3 - 46.2 Ma
Eocene
Centetodon pulcher
species		Animalia :Chordata :Mammalia :Geolabididae :Centetodon :Centetodon pulcher50.3 - 46.2 Ma
Eocene
Chipetaia lamporea
species		Animalia :Chordata :Mammalia :Primates :Anaptomorphidae :Chipetaia :Chipetaia lamporea46.2 - 40.4 Ma
Eocene
Coryphodon lobatus
species		Animalia :Chordata :Mammalia :Coryphodontidae :Coryphodon :Coryphodon lobatus55.8 - 50.3 Ma
Eocene
Palaeictops bridgeri
species		Animalia :Chordata :Mammalia :Leptictidae :Palaeictops :Palaeictops bridgeri50.3 - 46.2 Ma
Eocene
Scenopagus edenensis
species		Animalia :Chordata :Mammalia :Macroscelidea :Amphilemuridae :Scenopagus :Scenopagus edenensis50.3 - 46.2 Ma
Eocene
Diplacodon
genus		Animalia :Chordata :Mammalia :Perissodactyla :Brontotheriidae :Diplacodon46.2 - 40.4 Ma
Eocene
Diplacodon elatus
species		Animalia :Chordata :Mammalia :Perissodactyla :Brontotheriidae :Diplacodon :Diplacodon elatus46.2 - 40.4 Ma
Eocene
Diplobunops crassus
species		Animalia :Chordata :Mammalia :Artiodactyla :Agriochoeridae :Diplobunops :Diplobunops crassus46.2 - 40.4 Ma
Eocene
Diplobunops matthewi
species		Animalia :Chordata :Mammalia :Artiodactyla :Agriochoeridae :Diplobunops :Diplobunops matthewi46.2 - 40.4 Ma
Eocene
Eomoropus anarsius
species		Animalia :Chordata :Mammalia :Perissodactyla :Eomoropidae :Eomoropus :Eomoropus anarsius46.2 - 40.4 Ma
Eocene
Hyracodon medius
species		Animalia :Chordata :Mammalia :Perissodactyla :Hyracodontidae :Hyracodon :Hyracodon medius40.4 - 37.2 Ma
Eocene
Harpagolestes brevipes
species		Animalia :Chordata :Mammalia :Cetacea :Mesonychidae :Harpagolestes :Harpagolestes brevipes46.2 - 40.4 Ma
Eocene
Harpagolestes leotensis
species		Animalia :Chordata :Mammalia :Cetacea :Mesonychidae :Harpagolestes :Harpagolestes leotensis46.2 - 40.4 Ma
Eocene
Macrotarsius jepseni
species		Animalia :Chordata :Mammalia :Primates :Omomyidae :Macrotarsius :Macrotarsius jepseni46.2 - 40.4 Ma
Eocene
Peratherium marsupium
species		Animalia :Chordata :Mammalia :Marsupialia :Herpetotheriidae :Peratherium :Peratherium marsupium50.3 - 46.2 Ma
Eocene
Hessolestes ultimus
species		Animalia :Chordata :Mammalia :Cetacea :Mesonychidae :Hessolestes :Hessolestes ultimus40.4 - 37.2 Ma
Eocene
Heteraletes leotanus
species		Animalia :Chordata :Mammalia :Perissodactyla :Tapiridae :Heteraletes :Heteraletes leotanus46.2 - 40.4 Ma
Eocene
Hyaenodon vetus
species		Animalia :Chordata :Mammalia :Hyaenodontidae :Hyaenodon :Hyaenodon vetus40.4 - 37.2 Ma
Eocene
Hylomeryx annectens
species		Animalia :Chordata :Mammalia :Artiodactyla :Bunomerycidae :Hylomeryx :Hylomeryx annectens46.2 - 40.4 Ma
Eocene
Smilodectes gracilis
species		Animalia :Chordata :Mammalia :Primates :Notharctidae :Smilodectes :Smilodectes gracilis50.3 - 46.2 Ma
Eocene
Hyopsodus minusculus
species		Animalia :Chordata :Mammalia :Hyopsodontidae :Hyopsodus :Hyopsodus minusculus50.3 - 46.2 Ma
Eocene
Hyopsodus paulus
species		Animalia :Chordata :Mammalia :Hyopsodontidae :Hyopsodus :Hyopsodus paulus50.3 - 40.4 Ma
Eocene
Hyopsodus uintensis
species		Animalia :Chordata :Mammalia :Hyopsodontidae :Hyopsodus :Hyopsodus uintensis46.2 - 40.4 Ma
Eocene
Hyrachyus eximius
species		Animalia :Chordata :Mammalia :Perissodactyla :Hyracodontidae :Hyrachyus :Hyrachyus eximius46.2 - 40.4 Ma
Eocene
Triplopus implicatus
species		Animalia :Chordata :Mammalia :Perissodactyla :Hyracodontidae :Triplopus :Triplopus implicatus46.2 - 40.4 Ma
Eocene
Triplopus obliquidens
species		Animalia :Chordata :Mammalia :Perissodactyla :Hyracodontidae :Triplopus :Triplopus obliquidens46.2 - 40.4 Ma
Eocene
Pseudotomus eugenei
species		Animalia :Chordata :Mammalia :Rodentia :Ischyromyidae :Pseudotomus :Pseudotomus eugenei46.2 - 40.4 Ma
Eocene
Isectolophus annectens
species		Animalia :Chordata :Mammalia :Perissodactyla :Isectolophidae :Isectolophus :Isectolophus annectens46.2 - 40.4 Ma
Eocene
Janimus rhinophilus
species		Animalia :Chordata :Mammalia :Rodentia :Eutypomyidae :Janimus :Janimus rhinophilus46.2 - 40.4 Ma
Eocene
Simimeryx minutus
species		Animalia :Chordata :Mammalia :Artiodactyla :Praetragulidae :Simimeryx :Simimeryx minutus40.4 - 37.2 Ma
Eocene
Leptoreodon marshi
species		Animalia :Chordata :Mammalia :Artiodactyla :Protoceratidae :Leptoreodon :Leptoreodon marshi46.2 - 40.4 Ma
Eocene
Mytonomys mytonensis
species		Animalia :Chordata :Mammalia :Rodentia :Ischyromyidae :Mytonomys :Mytonomys mytonensis46.2 - 40.4 Ma
Eocene
Leptotragulus clarki
species		Animalia :Chordata :Mammalia :Artiodactyla :Protoceratidae :Leptotragulus :Leptotragulus clarki46.2 - 40.4 Ma
Eocene
Leptotragulus medius
species		Animalia :Chordata :Mammalia :Artiodactyla :Protoceratidae :Leptotragulus :Leptotragulus medius46.2 - 40.4 Ma
Eocene
Leptotragulus proavus
species		Animalia :Chordata :Mammalia :Artiodactyla :Protoceratidae :Leptotragulus :Leptotragulus proavus46.2 - 40.4 Ma
Eocene
Tritemnodon agilis
species		Animalia :Chordata :Mammalia :Hyaenodonta :Hyaenodontidae :Tritemnodon :Tritemnodon agilis50.3 - 46.2 Ma
Eocene
Limnocyon potens
species		Animalia :Chordata :Mammalia :Hyaenodontidae :Limnocyon :Limnocyon potens46.2 - 40.4 Ma
Eocene
Limnocyon verus
species		Animalia :Chordata :Mammalia :Hyaenodontidae :Limnocyon :Limnocyon verus50.3 - 46.2 Ma
Eocene
Hyrachyus modestus
species		Animalia :Chordata :Mammalia :Perissodactyla :Hyrachyidae :Hyrachyus :Hyrachyus modestus50.3 - 46.2 Ma
Eocene
Helaletes nanus
species		Animalia :Chordata :Mammalia :Perissodactyla :Helaletes :Helaletes nanus50.3 - 46.2 Ma
Eocene
Antiacodon pygmaeus
species		Animalia :Chordata :Mammalia :Artiodactyla :Homacodontidae :Antiacodon :Antiacodon pygmaeus50.3 - 46.2 Ma
Eocene
Hyracotherium vasacciense
species		Animalia :Chordata :Mammalia :Perissodactyla :Palaeotheriidae :Hyracotherium :Hyracotherium vasacciense50.3 - 46.2 Ma
Eocene
Eobasileus cornutus
species		Animalia :Chordata :Mammalia :Dinocerata :Uintatheriidae :Eobasileus :Eobasileus cornutus46.2 - 40.4 Ma
Eocene
Megalamynodon regalis
species		Animalia :Chordata :Mammalia :Perissodactyla :Amynodontidae :Megalamynodon :Megalamynodon regalis46.2 - 40.4 Ma
Eocene
Mesomeryx grangeri
species		Animalia :Chordata :Mammalia :Artiodactyla :Bunomerycidae :Mesomeryx :Mesomeryx grangeri46.2 - 40.4 Ma
Eocene
Mesonyx obtusidens
species		Animalia :Chordata :Mammalia :Cetacea :Mesonychidae :Mesonyx :Mesonyx obtusidens46.2 - 40.4 Ma
Eocene
Harpagolestes uintensis
species		Animalia :Chordata :Mammalia :Acreodi :Mesonychidae :Harpagolestes :Harpagolestes uintensis46.2 - 40.4 Ma
Eocene
Metarhinus fluviatilis
species		Animalia :Chordata :Mammalia :Perissodactyla :Brontotheriidae :Metarhinus :Metarhinus fluviatilis46.2 - 40.4 Ma
Eocene
Miacis parvivorus
species		Animalia :Chordata :Mammalia :Carnivora :Miacidae :Miacis :Miacis parvivorus50.3 - 46.2 Ma
Eocene
Prodaphaenus uintensis
species		Animalia :Chordata :Mammalia :Carnivora :Miacidae :Miacis :Prodaphaenus uintensis46.2 - 40.4 Ma
Eocene
Ourayia uintensis
species		Animalia :Chordata :Mammalia :Primates :Omomyidae :Ourayia :Ourayia uintensis46.2 - 40.4 Ma
Eocene
Proviverra longipes
species		Animalia :Chordata :Mammalia :Hyaenodonta :Proviverra :Proviverra longipes46.2 - 40.4 Ma
Eocene
Ourayia hopsoni
species		Animalia :Chordata :Mammalia :Primates :Omomyidae :Ourayia :Ourayia hopsoni46.2 - 40.4 Ma
Eocene
Mytonolagus petersoni
species		Animalia :Chordata :Mammalia :Lagomorpha :Leporidae :Mytonolagus :Mytonolagus petersoni46.2 - 40.4 Ma
Eocene
Mytonomeryx scotti
species		Animalia :Chordata :Mammalia :Artiodactyla :Bunomerycidae :Mytonomeryx :Mytonomeryx scotti46.2 - 40.4 Ma
Eocene
Notharctus tenebrosus
species		Animalia :Chordata :Mammalia :Primates :Notharctidae :Notharctus :Notharctus tenebrosus50.3 - 46.2 Ma
Eocene
Nyctitherium serotinum
species		Animalia :Chordata :Mammalia :Nyctitheriidae :Nyctitherium :Nyctitherium serotinum50.3 - 46.2 Ma
Eocene
Scenopagus priscus
species		Animalia :Chordata :Mammalia :Macroscelidea :Amphilemuridae :Scenopagus :Scenopagus priscus50.3 - 46.2 Ma
Eocene
Uintanius ameghini
species		Animalia :Chordata :Mammalia :Primates :Omomyidae :Uintanius :Uintanius ameghini50.3 - 46.2 Ma
Eocene
Omomys carteri
species		Animalia :Chordata :Mammalia :Primates :Tarsiidae :Omomys :Omomys carteri50.3 - 46.2 Ma
Eocene
Omomys lloydi
species		Animalia :Chordata :Mammalia :Primates :Tarsiidae :Omomys :Omomys lloydi50.3 - 46.2 Ma
Eocene
Oromeryx plicatus
species		Animalia :Chordata :Mammalia :Artiodactyla :Oromerycidae :Oromeryx :Oromeryx plicatus46.2 - 40.4 Ma
Eocene
Oxyaenodon dysodus
species		Animalia :Chordata :Mammalia :Hyaenodontidae :Oxyaenodon :Oxyaenodon dysodus46.2 - 40.4 Ma
Eocene
Sphenocoelus hyognathus
species		Animalia :Chordata :Mammalia :Perissodactyla :Brontotheriidae :Sphenocoelus :Sphenocoelus hyognathus46.2 - 40.4 Ma
Eocene
Pantolestes longieundus
species		Animalia :Chordata :Mammalia :Pantolestidae :Pantolestes :Pantolestes longieundus50.3 - 46.2 Ma
Eocene
Paramys compressidens
species		Animalia :Chordata :Mammalia :Rodentia :Ischyromyidae :Paramys :Paramys compressidens46.2 - 40.4 Ma
Eocene
Paramys delicatus
species		Animalia :Chordata :Mammalia :Rodentia :Ischyromyidae :Paramys :Paramys delicatus50.3 - 46.2 Ma
Eocene
Paramys leptodus
species		Animalia :Chordata :Mammalia :Rodentia :Ischyromyidae :Paramys :Paramys leptodus46.2 - 40.4 Ma
Eocene
Thisbemys medius
species		Animalia :Chordata :Mammalia :Rodentia :Ischyromyidae :Thisbemys :Thisbemys medius46.2 - 40.4 Ma
Eocene
Microparamys minutus
species		Animalia :Chordata :Mammalia :Rodentia :Ischyromyidae :Microparamys :Microparamys minutus50.3 - 46.2 Ma
Eocene
Pseudotomus petersoni
species		Animalia :Chordata :Mammalia :Rodentia :Ischyromyidae :Pseudotomus :Pseudotomus petersoni46.2 - 40.4 Ma
Eocene
Thisbemys uintensis
species		Animalia :Chordata :Mammalia :Rodentia :Ischyromyidae :Thisbemys :Thisbemys uintensis46.2 - 40.4 Ma
Eocene
Pareumys grangeri
species		Animalia :Chordata :Mammalia :Rodentia :Cylindrodontidae :Pareumys :Pareumys grangeri46.2 - 40.4 Ma
Eocene
Pareumys guensburgi
species		Animalia :Chordata :Mammalia :Rodentia :Cylindrodontidae :Pareumys :Pareumys guensburgi40.4 - 37.2 Ma
Eocene
Pareumys milleri
species		Animalia :Chordata :Mammalia :Rodentia :Cylindrodontidae :Pareumys :Pareumys milleri46.2 - 40.4 Ma
Eocene
Pareumys troxelli
species		Animalia :Chordata :Mammalia :Rodentia :Cylindrodontidae :Pareumys :Pareumys troxelli46.2 - 40.4 Ma
Eocene
Pentacemylus leotensis
species		Animalia :Chordata :Mammalia :Artiodactyla :Bunomerycidae :Pentacemylus :Pentacemylus leotensis46.2 - 40.4 Ma
Eocene
Pentacemylus progressus
species		Animalia :Chordata :Mammalia :Artiodactyla :Bunomerycidae :Pentacemylus :Pentacemylus progressus46.2 - 40.4 Ma
Eocene
Peradectes chesteri
species		Animalia :Chordata :Mammalia :Peradectidae :Peradectes :Peradectes chesteri50.3 - 46.2 Ma
Eocene
Herpetotherium innominatum
species		Animalia :Chordata :Mammalia :Marsupialia :Herpetotheriidae :Herpetotherium :Herpetotherium innominatum50.3 - 46.2 Ma
Eocene
Reithroparamys sciuroides
species		Animalia :Chordata :Mammalia :Rodentia :Reithroparamyidae :Reithroparamys :Reithroparamys sciuroides46.2 - 40.4 Ma
Eocene
Simidectes magnus
species		Animalia :Chordata :Mammalia :Acreodi :Simidectes :Simidectes magnus46.2 - 40.4 Ma
Eocene
Simidectes medius
species		Animalia :Chordata :Mammalia :Acreodi :Simidectes :Simidectes medius46.2 - 40.4 Ma
Eocene
Poabromylus kayi
species		Animalia :Chordata :Mammalia :Artiodactyla :Protoceratidae :Poabromylus :Poabromylus kayi40.4 - 37.2 Ma
Eocene
Poebrodon kayi
species		Animalia :Chordata :Mammalia :Artiodactyla :Camelidae :Poebrodon :Poebrodon kayi46.2 - 40.4 Ma
Eocene
Procynodictis vulpiceps
species		Animalia :Chordata :Mammalia :Carnivora :Canidae :Procynodictis :Procynodictis vulpiceps50.3 - 40.4 Ma
Eocene
Tapocyon robustus
species		Animalia :Chordata :Mammalia :Tapocyon :Tapocyon robustus46.2 - 40.4 Ma
Eocene
Miocyon scotti
species		Animalia :Chordata :Mammalia :Carnivora :Miacidae :Miocyon :Miocyon scotti46.2 - 40.4 Ma
Eocene
Mytonomys robustus
species		Animalia :Chordata :Mammalia :Rodentia :Ischyromyidae :Mytonomys :Mytonomys robustus46.2 - 40.4 Ma
Eocene
Protadjidaumo typus
species		Animalia :Chordata :Mammalia :Rodentia :Eomyidae :Protadjidaumo :Protadjidaumo typus40.4 - 37.2 Ma
Eocene
Achaenodon uintensis
species		Animalia :Chordata :Mammalia :Artiodactyla :Achaenodon :Achaenodon uintensis46.2 - 40.4 Ma
Eocene
Epitriplopus uintensis
species		Animalia :Chordata :Mammalia :Perissodactyla :Hyracodontidae :Epitriplopus :Epitriplopus uintensis46.2 - 40.4 Ma
Eocene
Protoptychus hatcheri
species		Animalia :Chordata :Mammalia :Rodentia :Protoptychidae :Protoptychus :Protoptychus hatcheri46.2 - 40.4 Ma
Eocene
Protoreodon minor
species		Animalia :Chordata :Mammalia :Artiodactyla :Agriochoeridae :Protoreodon :Protoreodon minor46.2 - 40.4 Ma
Eocene
Protoreodon parvus
species		Animalia :Chordata :Mammalia :Artiodactyla :Agriochoeridae :Protoreodon :Protoreodon parvus46.2 - 40.4 Ma
Eocene
Protoreodon petersoni
species		Animalia :Chordata :Mammalia :Artiodactyla :Agriochoeridae :Protoreodon :Protoreodon petersoni46.2 - 40.4 Ma
Eocene
Protylopus annectens
species		Animalia :Chordata :Mammalia :Artiodactyla :Oromerycidae :Protylopus :Protylopus annectens46.2 - 40.4 Ma
Eocene
Protylopus petersoni
species		Animalia :Chordata :Mammalia :Artiodactyla :Oromerycidae :Protylopus :Protylopus petersoni46.2 - 40.4 Ma
Eocene
Proviverroides piercei
species		Animalia :Chordata :Mammalia :Hyaenodontidae :Proviverroides :Proviverroides piercei50.3 - 46.2 Ma
Eocene
Sciuravus altidens
species		Animalia :Chordata :Mammalia :Rodentia :Sciuravidae :Sciuravus :Sciuravus altidens46.2 - 40.4 Ma
Eocene
Microparamys dubius
species		Animalia :Chordata :Mammalia :Rodentia :Ischyromyidae :Microparamys :Microparamys dubius46.2 - 40.4 Ma
Eocene
Sciuravus eucristadens
species		Animalia :Chordata :Mammalia :Rodentia :Sciuravidae :Sciuravus :Sciuravus eucristadens50.3 - 46.2 Ma
Eocene
Sciuravus popi
species		Animalia :Chordata :Mammalia :Rodentia :Sciuravidae :Sciuravus :Sciuravus popi46.2 - 40.4 Ma
Eocene
Sinopa major
species		Animalia :Chordata :Mammalia :Hyaenodontidae :Sinopa :Sinopa major50.3 - 46.2 Ma
Eocene
Sinopa rapax
species		Animalia :Chordata :Mammalia :Hyaenodontidae :Sinopa :Sinopa rapax50.3 - 46.2 Ma
Eocene
Hylomeryx quadricuspis
species		Animalia :Chordata :Mammalia :Artiodactyla :Homacodontidae :Hylomeryx :Hylomeryx quadricuspis46.2 - 40.4 Ma
Eocene
Talpavus duplus
species		Animalia :Chordata :Mammalia :Erinaceomorpha :Talpavus :Talpavus duplus46.2 - 40.4 Ma
Eocene
Talpavus nitidus
species		Animalia :Chordata :Mammalia :Erinaceomorpha :Talpavus :Talpavus nitidus50.3 - 46.2 Ma
Eocene
Duchesneodus uintensis
species		Animalia :Chordata :Mammalia :Perissodactyla :Brontotheriidae :Duchesneodus :Duchesneodus uintensis40.4 - 37.2 Ma
Eocene
Sthenodectes incisivum
species		Animalia :Chordata :Mammalia :Perissodactyla :Brontotheriidae :Sthenodectes :Sthenodectes incisivum46.2 - 40.4 Ma
Eocene
Metatelmatherium ultimum
species		Animalia :Chordata :Mammalia :Perissodactyla :Brontotheriidae :Metatelmatherium :Metatelmatherium ultimum46.2 - 40.4 Ma
Eocene
Metarhinus diploconus
species		Animalia :Chordata :Mammalia :Perissodactyla :Brontotheriidae :Metarhinus :Metarhinus diploconus46.2 - 40.4 Ma
Eocene
Eomoropus amarorum
species		Animalia :Chordata :Mammalia :Perissodactyla :Chalicotheriidae :Eomoropus :Eomoropus amarorum46.2 - 40.4 Ma
Eocene
Uintaceras radinskyi
species		Animalia :Chordata :Mammalia :Perissodactyla :Rhinocerotidae :Uintaceras :Uintaceras radinskyi46.2 - 40.4 Ma
Eocene
Uintacyon acutus
species		Animalia :Chordata :Mammalia :Carnivora :Miacidae :Uintacyon :Uintacyon acutus46.2 - 40.4 Ma
Eocene
Miocyon major
species		Animalia :Chordata :Mammalia :Carnivora :Miacidae :Miocyon :Miocyon major50.3 - 46.2 Ma
Eocene
Uintasorex parvulus
species		Animalia :Chordata :Mammalia :Primates :Microsyopidae :Uintasorex :Uintasorex parvulus50.3 - 46.2 Ma
Eocene
Utahia kayi
species		Animalia :Chordata :Mammalia :Primates :Anaptomorphidae :Utahia :Utahia kayi50.3 - 46.2 Ma
Eocene
Viverravus gracilis
species		Animalia :Chordata :Mammalia :Carnivora :Viverravidae :Viverravus :Viverravus gracilis50.3 - 46.2 Ma
Eocene
Viverravus minutus
species		Animalia :Chordata :Mammalia :Carnivora :Viverravidae :Viverravus :Viverravus minutus50.3 - 46.2 Ma
Eocene
Viverravus sicarius
species		Animalia :Chordata :Mammalia :Carnivora :Viverravidae :Viverravus :Viverravus sicarius50.3 - 46.2 Ma
Eocene
Dinosauria
order		Animalia :Chordata :Reptilia :Dinosauria228 - 89.8 Ma
Mesozoic
Dryosaurus altus
species		Animalia :Chordata :Ornithischia :Dryosauridae :Dryosaurus :Dryosaurus altus150.8 - 145 Ma
Late Jurassic
Diplodocus longus
species		Animalia :Chordata :Reptilia :Dinosauria :Diplodocidae :Diplodocus :Diplodocus longus150.8 - 145 Ma
Late Jurassic
Allosaurus fragilis
species		Animalia :Chordata :Reptilia :Dinosauria :Allosauridae :Allosaurus :Allosaurus fragilis150.8 - 145 Ma
Late Jurassic
Stegosaurus ungulatus
species		Animalia :Chordata :Reptilia :Dinosauria :Stegosauridae :Stegosaurus :Stegosaurus ungulatus150.8 - 145 Ma
Late Jurassic
Amniota
unranked clade		Animalia :Chordata :Osteichthyes :Cotylosauria :Amniota157.3 - 152.1 Ma
Jurassic
Enneabatrachus
genus		Animalia :Chordata :Amphibia :Anura :Discoglossidae :Enneabatrachus157.3 - 152.1 Ma
Jurassic
Sphenodontia
suborder		Animalia :Chordata :Reptilia :Rhynchocephalia :Sphenodontia237 - 201.3 Ma
Mesozoic
Caudata
order		Animalia :Chordata :Amphibia :Caudata157.3 - 145 Ma
Jurassic
Torvosaurus tanneri
species		Animalia :Chordata :Reptilia :Dinosauria :Megalosauridae :Torvosaurus :Torvosaurus tanneri150.8 - 145 Ma
Late Jurassic
Crocodylomorpha
unranked clade		Animalia :Chordata :Reptilia :Eosuchia :Crocodylomorpha237 - 201.3 Ma
Mesozoic
Cedrelospermum nervosum
species		Plantae :Tracheophyta :Magnoliopsida :Sapindales :Meliaceae :Cedrelospermum :Cedrelospermum nervosum48.6 - 23.03 Ma
Cenozoic
Barosaurus lentus
species		Animalia :Chordata :Reptilia :Dinosauria :Diplodocidae :Barosaurus :Barosaurus lentus150.8 - 145 Ma
Late Jurassic
Plantae
kingdom		Plantae190.8 - 174.1 Ma
Jurassic
Troodontidae
family		Animalia :Chordata :Saurischia :Avetheropoda :Troodontidae157.3 - 145 Ma
Jurassic
Bennettitales
order		Plantae :Cycadeoideophyta :Cycadeoideopsida :Bennettitales237 - 201.3 Ma
Mesozoic
Coelophysoidea
superfamily		Animalia :Chordata :Saurischia :Coelophysoidea237 - 201.3 Ma
Mesozoic
Rhynchosauroides
genus		Animalia :Chordata :Reptilia :Rhynchocephalia :Rhynchosauroides228 - 201.3 Ma
Mesozoic
Testudines
order		Animalia :Chordata :Reptilia :Testudines157.3 - 145 Ma
Jurassic
Insecta
class		Animalia :Arthropoda :Insecta228 - 201.3 Ma
Mesozoic
Pseudosalix
genus		Plantae :Tracheophyta :Magnoliopsida :Malpighiales :Salicaceae :Pseudosalix48.6 - 37.2 Ma
Eocene
Presbyornis pervetus
species		Animalia :Chordata :Aves :Anseriformes :Presbyornithidae :Presbyornis :Presbyornis pervetus56 - 33.9 Ma
Paleogene
Theretairus
genus		Animalia :Chordata :Reptilia :Rhynchocephalia :Sphenodontidae :Theretairus157.3 - 152.1 Ma
Jurassic
Dryolestes priscus
species		Animalia :Chordata :Mammalia :Dryolestidae :Dryolestes :Dryolestes priscus157.3 - 145 Ma
Jurassic
Amblotherium gracilis
species		Animalia :Chordata :Mammalia :Dryolestidae :Amblotherium :Amblotherium gracilis157.3 - 145 Ma
Jurassic
Euthlastus cordiformis
species		Animalia :Chordata :Mammalia :Paurodontidae :Euthlastus :Euthlastus cordiformis157.3 - 145 Ma
Jurassic
Apatosaurus louisae
species		Animalia :Chordata :Reptilia :Dinosauria :Diplodocidae :Apatosaurus :Apatosaurus louisae150.8 - 145 Ma
Late Jurassic
Hadrianus
genus		Animalia :Chordata :Reptilia :Testudines :Testudinidae :Hadrianus50.3 - 40.4 Ma
Eocene
Tinosaurus stenodon
species		Animalia :Chordata :Reptilia :Squamata :Agamidae :Tinosaurus :Tinosaurus stenodon50.3 - 46.2 Ma
Eocene
Glyptosaurus sylvestris
species		Animalia :Chordata :Reptilia :Squamata :Anguidae :Glyptosaurus :Glyptosaurus sylvestris50.3 - 46.2 Ma
Eocene
Camarasaurus lentus
species		Animalia :Chordata :Saurischia :Camarasauridae :Camarasaurus :Camarasaurus lentus150.8 - 145 Ma
Late Jurassic
Apatopus
genus		Animalia :Chordata :Reptilia :Phytosauridae :Apatopus228 - 201.3 Ma
Mesozoic
Otozoum
genus		Animalia :Chordata :Saurischia :Otozoidae :Otozoum190.8 - 174.1 Ma
Jurassic
Marshosaurus bicentesimus
species		Animalia :Chordata :Reptilia :Dinosauria :Piatnitzkysauridae :Marshosaurus :Marshosaurus bicentesimus157.3 - 145 Ma
Jurassic
Diplodocinae
unranked clade		Animalia :Chordata :Saurischia :Diplodocidae :Diplodocinae150.8 - 145 Ma
Late Jurassic
Grallator (Eubrontes)
subgenus		Animalia :Chordata :Saurischia :Eubrontidae :Grallator (Eubrontes)237 - 174.1 Ma
Mesozoic
Diplodocus hallorum
species		Animalia :Chordata :Saurischia :Diplodocidae :Diplodocus :Diplodocus hallorum150.8 - 145 Ma
Late Jurassic
Actinopterygii
class		Animalia :Chordata :Actinopterygii157.3 - 145 Ma
Jurassic
Baena arenosa
species		Animalia :Chordata :Reptilia :Testudines :Baenidae :Baena :Baena arenosa46.2 - 40.4 Ma
Eocene
Saniwa ensidens
species		Animalia :Chordata :Reptilia :Squamata :Varanidae :Saniwa :Saniwa ensidens46.2 - 33.9 Ma
Paleogene
Thescelus insiliens
species		Animalia :Chordata :Reptilia :Testudines :Baenidae :Thescelus :Thescelus insiliens100.5 - 66 Ma
Late/Upper Cretaceous
Triconolestes
genus		Animalia :Chordata :Mammalia :Amphilestidae :Triconolestes157.3 - 152.1 Ma
Jurassic
Triconolestes curvicuspis
species		Animalia :Chordata :Mammalia :Amphilestidae :Triconolestes :Triconolestes curvicuspis157.3 - 145 Ma
Jurassic
Curculionidae
family		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae50.3 - 46.2 Ma
Eocene
Tetrasauropus
genus		Animalia :Chordata :Saurischia :Tetrasauropus237 - 201.3 Ma
Mesozoic
Araeodon intermissus
species		Animalia :Chordata :Mammalia :Paurodontidae :Araeodon :Araeodon intermissus157.3 - 145 Ma
Jurassic
Brachychirotherium
genus		Animalia :Chordata :Reptilia :Chirotheriidae :Brachychirotherium237 - 201.3 Ma
Mesozoic
Eutretauranosuchus
genus		Animalia :Chordata :Reptilia :Crocodylia :Goniopholididae :Eutretauranosuchus157.3 - 152.1 Ma
Jurassic
Koreanaornis hamanensis
species		Animalia :Chordata :Aves :Koreanaornipodidae :Koreanaornis :Koreanaornis hamanensis113 - 93.9 Ma
Cretaceous
Rhadinosteus parvus
species		Animalia :Chordata :Osteichthyes :Anura :Rhinophrynidae :Rhadinosteus :Rhadinosteus parvus157.3 - 152.1 Ma
Jurassic
Parasauromalus olseni
species		Animalia :Chordata :Reptilia :Squamata :Iguanidae :Parasauromalus :Parasauromalus olseni50.3 - 46.2 Ma
Eocene
Kouphichnium
genus		Animalia :Chordata :Reptilia :Kouphichnium228 - 201.3 Ma
Mesozoic
Planolites
genus		Animalia :Planolites237 - 201.3 Ma
Mesozoic
Skolithos
genus		Skolithos237 - 201.3 Ma
Mesozoic
Gwyneddichnium
genus		Animalia :Chordata :Reptilia :Tanystropheidae :Gwyneddichnium228 - 201.3 Ma
Mesozoic
Glyptops ornatus
species		Animalia :Chordata :Reptilia :Testudines :Pleurosternidae :Glyptops :Glyptops ornatus150.8 - 145 Ma
Late Jurassic
Procaimanoidea utahensis
species		Animalia :Chordata :Reptilia :Crocodylia :Crocodylidae :Procaimanoidea :Procaimanoidea utahensis46.2 - 40.4 Ma
Eocene
Echmatemys wyomingensis
species		Animalia :Chordata :Reptilia :Testudines :Geoemydidae :Echmatemys :Echmatemys wyomingensis46.2 - 40.4 Ma
Eocene
Anosteira ornata
species		Animalia :Chordata :Reptilia :Testudines :Carettochelyidae :Anosteira :Anosteira ornata46.2 - 40.4 Ma
Eocene
Xestops vagans
species		Animalia :Chordata :Reptilia :Squamata :Anguidae :Xestops :Xestops vagans50.3 - 46.2 Ma
Eocene
Anura
order		Animalia :Chordata :Osteichthyes :Anura157.3 - 40.4 Ma
Phanerozoic
Homacodontidae
family		Animalia :Chordata :Mammalia :Artiodactyla :Homacodontidae50.3 - 46.2 Ma
Eocene
Eryma jungostrix
species		Animalia :Arthropoda :Malacostraca :Decapoda :Erymidae :Eryma :Eryma jungostrix163.5 - 157.3 Ma
Jurassic
Echmatemys callopyge
species		Animalia :Chordata :Reptilia :Testudines :Geoemydidae :Echmatemys :Echmatemys callopyge46.2 - 40.4 Ma
Eocene
Echmatemys lativertebralis
species		Animalia :Chordata :Reptilia :Testudines :Geoemydidae :Echmatemys :Echmatemys lativertebralis46.2 - 40.4 Ma
Eocene
Eonessa anaticula
species		Animalia :Chordata :Aves :Anseriformes :Anatidae :Eonessa :Eonessa anaticula46.2 - 40.4 Ma
Eocene
Glirodon grandis
species		Animalia :Chordata :Mammalia :Glirodon :Glirodon grandis157.3 - 145 Ma
Jurassic
Procaimanoidea kayi
species		Animalia :Chordata :Reptilia :Crocodylia :Alligatoridae :Procaimanoidea :Procaimanoidea kayi50.3 - 46.2 Ma
Eocene
Boverisuchus vorax
species		Animalia :Chordata :Reptilia :Crocodylia :Planocraniidae :Boverisuchus :Boverisuchus vorax50.3 - 46.2 Ma
Eocene
Bridgeremys pusilla
species		Animalia :Chordata :Reptilia :Testudines :Geoemydidae :Bridgeremys :Bridgeremys pusilla46.2 - 40.4 Ma
Eocene
Hadrianus corsoni
species		Animalia :Chordata :Reptilia :Testudines :Pantestudinidae :Hadrianus :Hadrianus corsoni46.2 - 40.4 Ma
Eocene
Oliveremys uintaensis
species		Animalia :Chordata :Reptilia :Testudines :Trionychidae :Oliveremys :Oliveremys uintaensis46.2 - 40.4 Ma
Eocene
Iridotriton hechti
species		Animalia :Chordata :Amphibia :Caudata :Urodeles :Iridotriton :Iridotriton hechti157.3 - 152.1 Ma
Jurassic
Cymatholcus schucherti
species		Animalia :Chordata :Reptilia :Testudines :Pantestudinidae :Cymatholcus :Cymatholcus schucherti40.4 - 37.2 Ma
Eocene
Permophorus albequus
species		Animalia :Mollusca :Bivalvia :Cardiida :Kalenteridae :Permophorus :Permophorus albequus259.9 - 254.17 Ma
Permian
Eosauropus
genus		Animalia :Chordata :Saurischia :Eosauropus208.5 - 201.3 Ma
Mesozoic
Eosauropus cimarronensis
species		Animalia :Chordata :Saurischia :Eosauropus :Eosauropus cimarronensis228 - 201.3 Ma
Mesozoic
Evazoum
genus		Animalia :Chordata :Saurischia :Otozoidae :Evazoum237 - 201.3 Ma
Mesozoic
Brasilichnium
genus		Animalia :Chordata :Osteichthyes :Cotylosauria :Chelichnopodidae :Brasilichnium190.8 - 174.1 Ma
Jurassic
Cheilosia
genus		Animalia :Arthropoda :Insecta :Diptera :Syrphidae :Cheilosia50.3 - 46.2 Ma
Eocene
Cyttaromyia fenestrata
species		Animalia :Arthropoda :Insecta :Diptera :Cylindrotomidae :Cyttaromyia :Cyttaromyia fenestrata50.3 - 46.2 Ma
Eocene
Palaeictops robustus
species		Animalia :Chordata :Mammalia :Pilosa :Leptictidae :Palaeictops :Palaeictops robustus46.2 - 40.4 Ma
Eocene
Uteodon aphanoecetes
species		Animalia :Chordata :Ornithischia :Uteodon :Uteodon aphanoecetes150.8 - 145 Ma
Late Jurassic
Echmatemys stevensoniana
species		Animalia :Chordata :Reptilia :Testudines :Geoemydidae :Echmatemys :Echmatemys stevensoniana46.2 - 40.4 Ma
Eocene
Zionodon satanus
species		Animalia :Chordata :Mammalia :Erinaceomorpha :Amphilemuridae :Zionodon :Zionodon satanus46.2 - 40.4 Ma
Eocene
Zionodon walshi
species		Animalia :Chordata :Mammalia :Erinaceomorpha :Amphilemuridae :Zionodon :Zionodon walshi46.2 - 40.4 Ma
Eocene
Abydosaurus mcintoshi
species		Animalia :Chordata :Reptilia :Dinosauria :Brachiosauridae :Abydosaurus :Abydosaurus mcintoshi109 - 105.3 Ma
Early/Lower Cretaceous
Gujocardita parviradiatus
species		Animalia :Mollusca :Bivalvia :Carditida :Carditidae :Gujocardita :Gujocardita parviradiatus259.9 - 254.17 Ma
Permian
Paramacellodus oweni
species		Animalia :Chordata :Reptilia :Squamata :Paramacellodidae :Paramacellodus :Paramacellodus oweni157.3 - 152.1 Ma
Jurassic
Ichneumonoidea
superfamily		Animalia :Arthropoda :Insecta :Hymenoptera :Ichneumonoidea46.2 - 40.4 Ma
Eocene
Miocyon
genus		Animalia :Chordata :Mammalia :Carnivora :Miacidae :Miocyon40.4 - 37.2 Ma
Eocene
Miocyon vallisrubrae
species		Animalia :Chordata :Mammalia :Carnivora :Miacidae :Miocyon :Miocyon vallisrubrae46.2 - 40.4 Ma
Eocene
Cyttaromyia fuscula
species		Animalia :Arthropoda :Insecta :Diptera :Cylindrotomidae :Cyttaromyia :Cyttaromyia fuscula50.3 - 46.2 Ma
Eocene
Cicindelopsis eophilus
species		Animalia :Arthropoda :Insecta :Coleoptera :Melyandrida :Cicindelopsis :Cicindelopsis eophilus50.3 - 46.2 Ma
Eocene
Carabites eocenicus
species		Animalia :Arthropoda :Insecta :Coleoptera :Carabidae :Carabites :Carabites eocenicus50.3 - 46.2 Ma
Eocene
Phygadeuon petrifactellus
species		Animalia :Arthropoda :Insecta :Hymenoptera :Ichneumonidae :Phygadeuon :Phygadeuon petrifactellus50.3 - 46.2 Ma
Eocene
Eobracon cladurus
species		Animalia :Arthropoda :Insecta :Hymenoptera :Braconidae :Eobracon :Eobracon cladurus50.3 - 46.2 Ma
Eocene
Asilus palaeolestes
species		Animalia :Arthropoda :Insecta :Diptera :Asilidae :Asilus :Asilus palaeolestes50.3 - 46.2 Ma
Eocene
Nemotelus eocenicus
species		Animalia :Arthropoda :Insecta :Diptera :Stratiomyidae :Nemotelus :Nemotelus eocenicus50.3 - 46.2 Ma
Eocene
Phyllophaga avus
species		Animalia :Arthropoda :Insecta :Coleoptera :Scarabaeidae :Phyllophaga :Phyllophaga avus50.3 - 46.2 Ma
Eocene
Tilgidopsis haesitans
species		Animalia :Arthropoda :Insecta :Hymenoptera :Ichneumonidae :Tilgidopsis :Tilgidopsis haesitans50.3 - 46.2 Ma
Eocene
Sargus vetus
species		Animalia :Arthropoda :Insecta :Diptera :Stratiomyidae :Sargus :Sargus vetus50.3 - 46.2 Ma
Eocene
Eoformica pinguis
species		Animalia :Arthropoda :Insecta :Hymenoptera :Formicidae :Eoformica :Eoformica pinguis50.3 - 46.2 Ma
Eocene
Cuterebra ascarides
species		Animalia :Arthropoda :Insecta :Diptera :Oestridae :Cuterebra :Cuterebra ascarides50.3 - 46.2 Ma
Eocene
Epicaerus exanimis
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Epicaerus :Epicaerus exanimis50.3 - 46.2 Ma
Eocene
Epicaerus effossus
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Epicaerus :Epicaerus effossus50.3 - 46.2 Ma
Eocene
Ophryastes
genus		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Ophryastes50.3 - 46.2 Ma
Eocene
Epicaerus terrosus
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Epicaerus :Epicaerus terrosus50.3 - 46.2 Ma
Eocene
Carabites exanimus
species		Animalia :Arthropoda :Insecta :Coleoptera :Carabidae :Carabites :Carabites exanimus50.3 - 46.2 Ma
Eocene
Anthonomus soporus
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Anthonomus :Anthonomus soporus50.3 - 46.2 Ma
Eocene
Scoyenia
genus		Scoyenia228 - 201.3 Ma
Mesozoic
Bittacus egestionis
species		Animalia :Arthropoda :Insecta :Mecoptera :Bittacidae :Bittacus :Bittacus egestionis50.3 - 46.2 Ma
Eocene
Carmelopodus untermannorum
species		Animalia :Chordata :Saurischia :Carmelopodus :Carmelopodus untermannorum171.6 - 161.2 Ma
Jurassic
Plecia woodruffi
species		Animalia :Arthropoda :Insecta :Diptera :Bibionidae :Plecia :Plecia woodruffi50.3 - 46.2 Ma
Eocene
Baena affinis
species		Animalia :Chordata :Reptilia :Testudines :Baenidae :Baena :Baena affinis46.2 - 40.4 Ma
Eocene
Chisternon undatum
species		Animalia :Chordata :Reptilia :Testudines :Baenidae :Chisternon :Chisternon undatum46.2 - 40.4 Ma
Eocene
Trionyx aequa
species		Animalia :Chordata :Reptilia :Testudines :Trionychidae :Trionyx :Trionyx aequa46.2 - 40.4 Ma
Eocene
Palaeoryctinae
subfamily		Animalia :Chordata :Mammalia :Cimolesta :Palaeoryctidae :Palaeoryctinae50.3 - 46.2 Ma
Eocene
Dinochelys whitei
species		Animalia :Chordata :Reptilia :Testudines :Pleurosternidae :Dinochelys :Dinochelys whitei150.8 - 145 Ma
Late Jurassic
Cheilosia scudderi
species		Animalia :Arthropoda :Insecta :Diptera :Syrphidae :Cheilosia :Cheilosia scudderi50.3 - 46.2 Ma
Eocene
Palaeoeristalis tesselatus
species		Animalia :Arthropoda :Insecta :Diptera :Syrphidae :Palaeoeristalis :Palaeoeristalis tesselatus50.3 - 46.2 Ma
Eocene
Xylotosyrphus pulchrafenestra
species		Animalia :Arthropoda :Insecta :Diptera :Syrphidae :Xylotosyrphus :Xylotosyrphus pulchrafenestra50.3 - 46.2 Ma
Eocene
Hoplosuchus kayi
species		Animalia :Chordata :Reptilia :Crocodylia :Atoposauridae :Hoplosuchus :Hoplosuchus kayi150.8 - 145 Ma
Late Jurassic
Eocaenonemonyx kuscheli
species		Animalia :Arthropoda :Insecta :Coleoptera :Nemonychidae :Eocaenonemonyx :Eocaenonemonyx kuscheli50.3 - 46.2 Ma
Eocene
Ophryastites digressus
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Ophryastites :Ophryastites digressus50.3 - 46.2 Ma
Eocene
Epicaerus evigoratus
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Epicaerus :Epicaerus evigoratus50.3 - 46.2 Ma
Eocene
Epicaerus eradicatus
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Epicaerus :Epicaerus eradicatus50.3 - 46.2 Ma
Eocene
Neoptochus
genus		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Neoptochus50.3 - 46.2 Ma
Eocene
Syntomostylus rudis
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Syntomostylus :Syntomostylus rudis50.3 - 46.2 Ma
Eocene
Limalophus receptus
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Limalophus :Limalophus receptus50.3 - 46.2 Ma
Eocene
Epicaerus subterraneus
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Epicaerus :Epicaerus subterraneus50.3 - 46.2 Ma
Eocene
Limalophus compositus
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Limalophus :Limalophus compositus50.3 - 46.2 Ma
Eocene
Archaeoheilus deleticius
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Archaeoheilus :Archaeoheilus deleticius50.3 - 46.2 Ma
Eocene
Procas vinculatus
species		Animalia :Arthropoda :Insecta :Coleoptera :Brachyceridae :Procas :Procas vinculatus50.3 - 46.2 Ma
Eocene
Lithogeraeus circumscripta
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Lithogeraeus :Lithogeraeus circumscripta50.3 - 46.2 Ma
Eocene
Lithogeraeus comminuta
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Lithogeraeus :Lithogeraeus comminuta50.3 - 46.2 Ma
Eocene
Tropiphorini
tribe		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Tropiphorini50.3 - 46.2 Ma
Eocene
Diplacodon emarginatus
species		Animalia :Chordata :Mammalia :Perissodactyla :Brontotheriidae :Diplacodon :Diplacodon emarginatus46.2 - 40.4 Ma
Eocene
Euglossopteryx biesmeijeri
species		Animalia :Arthropoda :Insecta :Hymenoptera :Apidae :Euglossopteryx :Euglossopteryx biesmeijeri46.2 - 40.4 Ma
Eocene
Schillerosaurus utahensis
species		Animalia :Chordata :Reptilia :Squamata :Schillerosaurus :Schillerosaurus utahensis157.3 - 145 Ma
Jurassic
Eodiploglossus borealis
species		Animalia :Chordata :Reptilia :Squamata :Anguidae :Eodiploglossus :Eodiploglossus borealis50.3 - 46.2 Ma
Eocene
Anosteira pulchra
species		Animalia :Chordata :Reptilia :Testudines :Carettochelyidae :Anosteira :Anosteira pulchra46.2 - 40.4 Ma
Eocene
Pantrionychidae
unranked clade		Animalia :Chordata :Reptilia :Testudines :Pantrionychidae46.2 - 40.4 Ma
Eocene
Echmatemys naomi
species		Animalia :Chordata :Reptilia :Testudines :Geoemydidae :Echmatemys :Echmatemys naomi46.2 - 40.4 Ma
Eocene
Primocentron wickhami
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Primocentron :Primocentron wickhami50.3 - 46.2 Ma
Eocene
Palaeomallerus longirostris
species		Animalia :Arthropoda :Insecta :Coleoptera :Curculionidae :Palaeomallerus :Palaeomallerus longirostris50.3 - 46.2 Ma
Eocene
Caelestiventus hanseni
species		Animalia :Chordata :Reptilia :Pterosauria :Dimorphodontidae :Caelestiventus :Caelestiventus hanseni237 - 201.3 Ma
Mesozoic
Eutreptornis uintae
species		Animalia :Chordata :Aves :Bathornithidae :Eutreptornis :Eutreptornis uintae46.2 - 40.4 Ma
Eocene
Fossil LocalitiesClick to show 71 fossil localities

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Uintah_County,_Utah
Wikidata ID:Q484559
GeoNames ID:5783919

Localities in this Region

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This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, pleaseregister so you can add to our database. This locality information is for reference purposes only. You should never attempt tovisit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holdersfor access and that you are aware of all safety precautions necessary.

References

Taylor Boden and Bryce T. Tripp (2012) Gilsonite Veins of the Uinta Basin, Utah. Utah Geological Survey Special Study 141
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