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2020 in paleoichthyology

From Wikipedia, the free encyclopedia

Overview of the events of 2020 in paleoichthyology
List of years in paleoichthyology
In arthropod paleontology
2017
2018
2019
2020
2021
2022
2023
In reptile paleontology
2017
2018
2019
2020
2021
2022
2023
In archosaur paleontology
2017
2018
2019
2020
2021
2022
2023
In mammal paleontology
2017
2018
2019
2020
2021
2022
2023

Thislist offossilfishes described in 2020 is a list of newtaxa ofjawless vertebrates,placoderms,acanthodians, fossilcartilaginous fishes,bony fishes, and other fishes of every kind that weredescribed during the year 2020, as well as other significant discoveries and events related topaleoichthyology that occurred in 2020.

New taxa

[edit]

Jawless vertebrates

[edit]
NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Clavulaspis[1]Nom. novValidElliott, Lassiter & GeyerDevonian (Givetian)Yahatinda FormationCanada
(Alberta)
A member of the familyPteraspididae; a replacement name forHelaspis Elliottet al. (2000).
Ecphymaspis[1]Gen. et comb. novValidElliott, Lassiter & GeyerDevonian (Eifelian)Spring Mountain bedsUnited States
(Idaho)
A member of the family Pteraspididae; a new genus for"Psephaspis" idahoensis Denison (1968).
Parathelodus liaokuoensis[2]Sp. novValidCuiet al.Devonian (Lochkovian)Xishancun

Xitun

ChinaAthelodont belonging to the familyCoelolepidae. Announced in 2019; the final version of the article naming it was published in 2020.
Parathelodus wangi[2]Sp. novValidCuiet al.Devonian (Lochkovian)Xishancun

Xitun

ChinaAthelodont belonging to the familyCoelolepidae. Announced in 2019; the final version of the article naming it was published in 2020.
Parathelodus xitunensis[2]Sp. novValidCuiet al.Devonian (Lochkovian)XitunChinaAthelodont belonging to the familyCoelolepidae. Announced in 2019; the final version of the article naming it was published in 2020.
Psarkosteus[3]Gen. et sp. novValidDecDevonian (Givetian)SkałyPolandA member of the familyPsammosteidae. The type species isP. mediocris.
Rumporostralis[4]Gen. et comb. et sp. novValidShanet al.Silurian (Telychian)Xikeng FormationChinaA member ofGaleaspida belonging to the groupEugaleaspiformes and the familySinogaleaspidae. The type species is"Sinogaleaspis" xikengensis Pan & Wang (1980); genus also includes new speciesR. shipanensis.
Scutellaspis[1]Gen. et sp. novValidElliott, Lassiter & GeyerDevonian (Eifelian)Spring Mountain bedsUnited States
(Idaho)
A member of the family Pteraspididae. Genus includes new speciesS. wilsoni.

Placoderms

[edit]
NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Actinolepis zaikai[5]Sp. novValidPlax & NewmanDevonian (Emsian)Lepel BedsBelarus
Bulongosteus[6]Gen. et sp. novValidLiu, Zong & GongLate DevonianZhulumute FormationChinaA member of the familySelenosteidae. Genus includes new speciesB. liui.
Johannaspis[7]Gen. et comb. novValidVaškaninováEarlyDevonianPrague BasinCzech RepublicAhomostiidarthrodire. Genus includes"Asterolepis" bohemicus Barrande (1872).
Minjinia[8]Gen. et sp. novValidBrazeauet al.Devonian (Pragian)MongoliaA placoderm closely related to thegnathostomecrown group. Genus includes new speciesM. turgenensis.
Stipatosteus[5]Gen. et sp. novValidPlax & NewmanDevonian (Emsian)Lepel BedsBelarusAphlyctaeniid arthrodire. Genus includes new speciesS. svidunovitchi.

Acanthodians

[edit]
NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Fallodentus[9]Gen. et sp. novIn pressNewman, Den Blaauwen & BurrowDevonian (Givetian)Mey Flagstone FormationUnited KingdomA cheiracanthid acanthodian. Genus includes new speciesF. davidsoni.

Cartilaginous fishes

[edit]
NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Amamriabatis[10]Gen. et sp. novValidAdnetet al.EoceneTunisia
Egypt?
A ray belonging to the familyMobulidae. The type species isA. heni.

Asteracanthus dunaii[11]

Sp. nov

Valid

Szabó & Főzy

Jurassic

Hungary

Atlantitrygon[12]Gen. et comb. et sp. novValidSambouet al.Paleocene (Thanetian) andEocene (Lutetian)Matam

Niger
Senegal
Togo

A putative marinepotamotrygonid. The type species is"Dasyatis" sudrei Cappetta (1972); genus also includes new speciesA. senegalensis.
Canadodus[13]Gen. et sp. novValidPopov, Johns & SuntokLate OligoceneSookeCanada
(British Columbia)
A member of the familyChimaeridae. Genus includes new speciesC. suntoki.
Carcharhinus kasserinensis[10]Sp. novValidAdnetet al.Eocene (Bartonian)Tunisia
Jamaica?
A species ofCarcharhinus.
Coupatezia cristata[10]Sp. novValidAdnetet al.EoceneEgypt
Tunisia
A ray belonging to the superfamilyDasyatoidea.
Cretasquatina[14]Gen. et sp. novValidMaisey, Ehret & DentonLate Cretaceous (Campanian)Mooreville Chalk
Navesink Formation?
United States
(Alabama
New Jersey?)
A member of the familySquatinidae. The type species isC. americana.
Eoplatyrhina[15]Gen. et comb. novValidMarramàet al.EoceneMonte BolcaItalyA member of the familyPlatyrhinidae. Genus includes"Platyrhina" bolcensis Heckel (1851).
Eorhinobatos[16]Gen. et comb. novValidMarramàet al.EoceneMonte BolcaItalyAguitarfish; a new genus for"Rhinobatos" primaevus.
Ferromirum[17]Gen. et sp. novValidFreyet al.Devonian (Famennian)IbâouaneMoroccoA member ofSymmoriiformes. The type species isF. oukherbouchi.
Himantura souarfortuna[10]Sp. novValidAdnetet al.Eocene (Bartonian)TunisiaAwhiptail stingray, a species ofHimantura.
Lamarodus[18]Gen. et sp. novValidIvanovin Ivanovet al.Permian (Guadalupian)Bell Canyon FormationUnited States
(Texas)
A member ofHybodontiformes belonging to the superfamilyHybodontoidea. Genus includes new speciesL. triangulus. Announced in 2018; the final version of the article naming it was published in 2020.
Leptocharias tunisiensis[10]Sp. novValidAdnetet al.EoceneTunisia
Egypt?
Jordan?
A relative of thebarbeled houndshark.
Mecotrygon[10]Gen. et sp. novValidAdnetet al.EoceneEgypt
Tunisia
Awhiptail stingray belonging to the subfamilyNeotrygoninae. The type species isM. asperodentulus.
Mennerotodus mackayi[19]Sp. novValidCicimurri, Ebersole & MartinPaleocene (Danian)ClaytonUnited States
(Alabama)
Asand shark
Mennerotodus parmleyi[19]Sp. novValidCicimurri, Ebersole & MartinEocene (Bartonian)ClinchfieldUnited States
(Georgia (U.S. state))
Asand shark
Microtriftis[12]Gen. et sp. novValidSambouet al.Eocene (Ypresian toLutetian)MatamSenegalAdasyatoid of uncertain phylogenetic placement. Genus includes new speciesM. matami.
Nanocetorhinus zeitlingeri[20]Sp. novValidFeichtinger, Pollerspöck & HarzhauserOligocene (Chattian)EferdingAustriaA member ofNeoselachii of uncertain phylogenetic placement.

Odontorhytis priemi[12]

Sp. novValidSambouet al.Paleocene (Thanetian) andEocene (Ypresian)Matam

Mali
Morocco
Senegal
Tunisia

A member ofNeoselachii of uncertain phylogenetic placement
Ouledia lacuna[10]Sp. novValidAdnetet al.Eocene (Bartonian)TunisiaAbutterfly ray.
Pachygymnura[10]Gen. et comb. novValidAdnetet al.EoceneEgypt
Tunisia
A butterfly ray. The type species is"Coupatezia" attiai Cookin Murrayet al. (2010).
Plesiozanobatus[15]Gen. et comb. novValidMarramàet al.EoceneMonte BolcaItalyA relative ofpanray. Genus includes"Torpedo" egertoni De Zigno (1876).
Pristiophorus austriacus[21]Sp. novValidReineckeet al.Miocene (Aquitanian)EbelsbergAustriaA species ofPristiophorus.
Pristiophorus borealis[21]Sp. novValidReineckeet al.Oligocene (Chattian)SülstorfGermanyA species ofPristiophorus.
Pristiophorus tortonicus[21]Sp. novValidReineckeet al.Miocene (Tortonian)Mica ClayGermanyA species ofPristiophorus.
Pristiophorus ungeri[21]Sp. novValidReineckeet al.Miocene (Burdigalian)NeuhofenGermanyA species ofPristiophorus.
Pseudorhinobatos[16]Gen. et comb. novValidMarramàet al.EoceneMonte BolcaItalyA guitarfish; a new genus for"Rhinobatos" dezignii.

Sculptospina[22]

Gen. et sp. nov

Valid

Lebedevin Lebedev, Ivanov & Linkevich

Devonian (Famennian)

Russia
(Lipetsk Oblast)

A member ofCtenacanthiformes of uncertain phylogenetic placement. The type species isS. makhlaevi.

Sphyrna guinoti[10]Sp. novValidAdnetet al.EoceneTunisia
Egypt?
A species ofSphyrna.
Stegostoma tethysiensis[10]Sp. novValidAdnetet al.EoceneTunisia
Egypt?
A relative of thezebra shark.
Taklamakanolepis[23]Gen. et sp. novAndreevet al.EarlySilurianYmogantauChinaA member ofMongolepidida. The type species isT. asiaticus.
Tielikewatielepis[23]Gen. et sp. novAndreevet al.EarlySilurianTataertag

Ymogantau

ChinaA member ofMongolepidida. The type species isT. sinensis.
Xiaohaizilepis[23]Gen. et sp. novAndreevet al.EarlySilurianTataertag

Ymogantau

ChinaA member ofMongolepidida. The type species isX. liui.
Yuanolepis[23]Gen. et sp. novAndreevet al.EarlySilurianYmogantauChinaA cartilaginous fish of uncertain phylogenetic placement. The type species isY. bachunensis.

Ray-finned fishes

[edit]
NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Agassizilia[24]Gen. et sp. novValidCooper & MartillCenomanianKem KemMoroccoPossibly a member of the familyPycnodontidae. The type species isA. erfoudina.
Altmuehlfuro[25]Gen. et sp. novValidEbertLate JurassicSolnhofenGermanyA member ofHalecomorphi belonging to the groupOphiopsiformes. Genus includes new speciesA. boomerang.
Amakusaichthys[26]Gen. et sp. novValidYabumoto, Hirose & BritoLate Cretaceous (Santonian)HinoshimaJapanA member ofIchthyodectiformes. Genus includes new speciesA. goshouraensis. Announced in 2018; the final version of the article naming it was published in 2020.
Anomoeodus wolfi[27]Sp. novValidCapassoLate Cretaceous (Cenomanian)Del RioUnited States
(Texas)
A member of the familyPycnodontidae.
Anorevus[28]Gen. et sp. nov.ValidBannikov & ZorzinEocene (Ypresian)Monte BolcaItalyA member ofPercomorpha of uncertain phylogenetic placement. The type species isA. lorenzonii.
Ariopsis castilloensi[29]Sp. novIn pressAguilera & Rodriguezin Aguileraet al.LateOligocene to earlyMioceneCastilloVenezuelaA species ofAriopsis.
Armigatus carrenoae[30]Sp. novValidAlvarado-Ortega, Than-Marchese & Melgarejo-DamiánEarly Cretaceous (Albian)TlayúaMexicoA member ofClupeomorpha belonging to the groupEllimmichthyiformes and to the familyArmigatidae.
Bagre ornatus[29]Sp. novIn pressAguilera & Rodriguezin Aguileraet al.LateOligocene to earlyMioceneCastilloVenezuelaA species ofBagre.
Baringochromis[31]Gen. et 3 sp. novValidAltner & ReichenbacherLate MioceneKenyaAcichlid belonging to the subfamilyPseudocrenilabrinae. The type species isB. senutae; genus also includesB. sonyii andB. tallamae. Announced in 2020; the final version of the article naming it was published in 2021.
Boreolates[32]Gen. et sp. novValidWeemsEoceneNanjemoyUnited States
(Virginia)
A member of the familyLatidae. The type species isB. debernardi.
Brachyplatystoma elbakyani[33]Sp. novIn pressAgnolin & BoganLate MioceneArgentinaA species ofBrachyplatystoma
Burguklia minichorum[34]Sp. novValidBakaev & KoganPermian (WordianCapitanian)RussiaAn early ray-finned fish. Announced in 2019; the final version of the article naming it was published in 2020.
Caucombrus[35]Gen. et sp. novValidBannikovEarly OligoceneAbkhazia
Russia
A member of the familyScombridae. Genus includes new speciesC. histiopterygius.
Chaychanus[36]Gen. et sp. novValidCantalice Severiano, Alvarado Ortega & BellwoodPaleoceneMexicoA member of the familyPomacentridae. Genus includes new speciesC. gonzalezorum. Announced in 2019; the final version of the article naming it was published in 2020.
Cheirolepis aleshkai[37]Sp. novValidPlaxDevonian (Eifelian)BelarusAn early ray-finned fish.
Clupea hanishinaensis[38]Nom. novValidYabumoto & NazarkinMioceneBesshoJapanA species ofClupea; a replacement name forClupea macrocephala Yabumoto & Nazarkin (2018).
Cyclothone duhoensis[39]Sp. novValidNam & NazarkinMioceneDuhoSouth KoreaA species ofCyclothone. Announced in 2020; the final version of the article naming it was published in 2021.
Ellimma longipectoralis[40]Sp. novValidPolcket al.Early Cretaceous (Aptian)Barra Velha FormationBrazilA member ofClupeomorpha belonging to the groupEllimmichthyiformes and to the familyParaclupeidae. Announced in 2019; the final version of the article naming it was published in 2020.
Ellimmichthys spinosus[41]Sp. novIn pressDe Figueiredo & GalloEarly CretaceousRecôncavo BasinBrazilA member of Clupeomorpha belonging to the group Ellimmichthyiformes.
Elongofuro[25]Gen. et sp. novValidEbertLate JurassicGermanyA member ofHalecomorphi belonging to the groupOphiopsiformes. Genus includes new speciesE. woelflei.
Engdahlichthys[42]Gen. et sp. novValidMurrayet al.PaleoceneFort UnionUnited States
(Montana)
Asturgeon. Genus includes new speciesE. milviaegis.
Epaelops[43]Gen. et sp. novIn pressAlves, Alvarado Ortega & BritoEarly Cretaceous (Albian)TlayúaMexicoA member ofElopiformes. Genus includes new speciesE. martinezi. Announced in 2019; the final version of the article naming it is scheduled to be published in 2020.
Feroxichthys[44]Gen. et sp. novValidXuMiddle Triassic (Anisian)GuanlingChinaA member of the familyColobodontidae. The type species isF. yunnanensis.
Globanomoeodus[27]Gen. et sp. novValidCapassoLate Cretaceous (Cenomanian)Del RioUnited States
(Texas)
A member of the family Pycnodontidae. The type species isG. dentespassim.
Gregoriopycnodus[45]Gen. et comb. novValidTaverne, Capasso & Del ReEarly Cretaceous (Albian)ItalyA member of the familyPycnodontidae. The type species is"Palaeobalistum" bassanii d'Erasmo (1914).
Hadromos[46]Gen. et sp. novValidMurrayEarly Cenozoic (possibly Eocene)SangkarewangIndonesiaA member ofCyprinoidea. Genus includes new speciesH. sandersae.
Hastichthys totonacus[47]Sp. novIn pressAlvarado-Ortega & Díaz-CruzLate Cretaceous (Turonian)Agua NuevaMexicoA member ofAulopiformes belonging to the familyDercetidae.
Heckelichthys preopercularis[48]Sp. novIn pressBaños Rodríguezet al.Cretaceous (AlbianCenomanian)El DoctorMexicoA member ofIchthyodectiformes
Hiascoactinus[49]Gen. et sp. novIn pressKimet al.Late TriassicAmisanSouth KoreaA member ofRedfieldiiformes. Genus includes new speciesH. boryeongensis. Announced in 2019; the final version of the article naming it is scheduled to be published in 2020.
Holzmadenfuro[50]Gen. et sp. novValidEbert, Thies & HauffEarly Jurassic (Toarcian)PosidoniaGermanyA member ofHalecomorphi. Genus includes new speciesH. rebmanni.
Hypsocormus posterodorsalis[51]Sp. novValidMaxwellet al.Late Jurassic (Kimmeridgian)NusplingenGermany
H. posterodorsalis (bottom)
Kradimus[52]Gen. et sp. novValidVeysey, Brito & MartillLate Cretaceous (Turonian)Akrabou FormationMoroccoA member ofCrossognathiformes. Genus includes new speciesK. asflaensis. Announced in 2019; the final version of the article naming it was published in 2020.
Lavinia stuwilliamsi[53]Sp. novValidMcClellan & SmithLateMioceneSalt Lake FormationUnited States
(Utah)
A species ofLavinia.
Lebrunichthys[54]Gen. et sp. novValidTaverne & CapassoLate Cretaceous (Cenomanian)LebanonA member ofCrossognathiformes belonging to the familyPachyrhizodontidae. The type species isL. nammourensis.
Lindoeichthys[55]Gen. et sp. nov.ValidMurrayet al.Late Cretaceous (Maastrichtian)Scollard FormationCanada
(Alberta)
A member ofPercopsiformes. Genus includes new speciesL. albertensis. Announced in 2019; the final version of the article naming it was published in 2020.
Louwoichthys[56]Gen. et sp. novValidXuMiddle Triassic (Anisian)ChinaA member of thestem group ofNeopterygii. Genus includes new speciesL. pusillus.
Luganoia fortuna[57]Sp. novValidXuMiddle Triassic (Ladinian)FalangChina
Monosmilus[58]Gen. et sp. novCapobiancoet al.Eocene (Lutetian)DomandaPakistanAstem-engraulid. The type species isM. chureloides.
Neilpeartia[59]Gen. et sp. novValidCarnevaleet al.Eocene (Ypresian)Monte BolcaItalyAfrogfish. Genus includes new speciesN. ceratoi.
Neomesturus[60]Gen. et sp. novIn pressCooper & MartillTuronianAkrabouMoroccoA member of Pycnodontiformes. Genus includes new speciesN. asflaensis.
Neoproscinetes africanus[24]Sp. novValidCooper & MartillCenomanianKem KemMoroccoA member of the familyPycnodontidae
Njoerdichthys[61]Gen. et sp. novIn pressCawleyet al.Late Cretaceous (Turonian)HesseltalGermanyA member of the familyPycnodontidae. The type species isN. dyckerhoffi.
Nunaneichthys[62]Gen. et sp. novIn pressHernández-Guerreroet al.Cretaceous (Albian-Cenomanian)MexicoAbonefish belonging to the subfamilyPterothrissinae. Genus includes new speciesN. mexicanus.
Ohmdenfuro[50]Gen. et sp. novValidEbert, Thies & HauffEarly Jurassic (Toarcian)PosidoniaGermanyA member ofHalecomorphi. Genus includes new speciesO. bodmani.
Paranursallia cavini[60]Sp. novIn pressCooper & MartillTuronianAkrabouMoroccoA member of Pycnodontiformes.
Pauciuncus[46]Gen. et comb. novValidMurrayEarly Cenozoic (possibly Eocene)SangkarewangIndonesiaA member of Cyprinoidea. Genus includes"Puntius" bussyi.
Polcynichthys[63]Gen. et sp. novIn pressLondon & ShimadaLate Cretaceous (Cenomanian)TarrantUnited States
(Texas)
A member of the familyPachyrhizodontidae. Genus includes new speciesP. lloydhilli.
Rachycentron stremphaencus[64]Sp. novValidGodfrey & CarnevaleMiocene (Tortonian)St. MarysUnited States
(Maryland)
A relative of thecobia.
Rebekkachromis valyricus[65]Sp. novValidKevrekidis & Reichenbacherin Kevrekidiset al.MioceneNgororaKenyaAcichlid belonging to the tribeOreochromini.
Rebekkachromis vancouveringae[65]Sp. novValidKevrekidis & Reichenbacherin Kevrekidiset al.MioceneNgororaKenyaA cichlid belonging to the tribe Oreochromini.
Rupelia[66]Gen. et comb. novValidBaykina & Kovalchukin Kovalchuket al.Oligocene (Rupelian)RussiaA member of familyClupeidae. Genus includesR. rata (Daniltshenko, 1959).
Salwaichthys[67]Gen. et sp. novValidBannikovEarlyOligoceneAbkhazia
Poland
Russia
(Adygea)
A member ofPerciformes belonging to the new familySalwaichthyidae. Genus includes new speciesS. paratethyensis.
Sanctusichthys[68]Gen. et sp. novValidLópez-Arbarello, Maxwell & SchweigertLate Jurassic (Kimmeridgian)Nusplingen LimestoneGermanyA member ofHalecomorphi. Genus includes new speciesS. rieteri.
Sangkarewangia[46]Gen. et sp. novValidMurrayEarly Cenozoic (possibly Eocene)SangkarewangIndonesiaA member of Cyprinoidea. Genus includes new speciesS. sumatranus.
Scleropages sanshuiensis[69]Sp. novValidZhangEarlyEoceneHuachongChinaA species ofScleropages. Announced in 2019; the final version of the article naming it was published in 2020.
Scombroclupea javieri[70]Sp. novIn pressThan Marcheseet al.Late Cretaceous (Cenomanian)CintalapaMexicoA member ofClupeomorpha of uncertain phylogenetic placement
Siniperca ikikoku[71]Sp. novValidYabumotoMioceneJapanA species ofSiniperca.
Simocormus[51]Gen. et sp. novValidMaxwellet al.Late Jurassic (Kimmeridgian–Tithonian)GermanyA member of the familyPachycormidae. The type species isS. macrolepidotus.
Stanhopeichthys[72]Gen. et sp. novValidTaverne & CapassoLate Cretaceous (Cenomanian)LebanonA member ofCrossognathiformes belonging to the familyPachyrhizodontidae. The type species isS. libanicus.
Stefanichthys[73]Gen. et sp. nov.ValidBannikov & ZorzinEocene (Ypresian)Monte BolcaItalyA member ofPercoidei of uncertain phylogenetic placement. The type species isS. mariannae.
Vachalia[74]Gen. et sp. novValidPřikryl & CarnevaleEarly OligoceneCzech RepublicA member of the familyPlatytroctidae. Genus includes new speciesV. moraviensis.
Vegrandichthys[75]Gen. et sp. novValidDíaz-Cruz, Alvarado-Ortega &GilesLate Cretaceous (Cenomanian)CintalapaMexicoA member ofAulopiformes belonging to the familyEnchodontidae. The type species isV. coitecus.

Warilochromis[76]

Gen. et sp. nov

Valid

Altner, Ruthensteiner & Reichenbacher

LateMiocene

Ngorora

Kenya

Acichlid belonging to the subfamilyPseudocrenilabrinae. The type species isW. unicuspidatus.

Otolith taxa

[edit]
NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Ampheristus americanus[77]Sp. novValidSchwarzhans & StringerLate Cretaceous (Maastrichtian) andPaleocene (Danian)Clayton
Kemp Clay
United States
(Arkansas
Texas)
Acusk-eel.
Anguilla? chickasawae[78]Sp. novValidSchwarzhans & Stringerin Stringeret al.Late Cretaceous (Maastrichtian) and Paleocene (Danian)[77]Clayton[77]
Ripley
United States
(Arkansas[77]
Mississippi)
A member or a relative of the familyAnguillidae
Apateodus crenellatus[78]Sp. novValidSchwarzhans & Stringerin Stringeret al.Late Cretaceous (Maastrichtian)Owl Creek

Ripley

United States
(Mississippi)
Benthophilus aprutinus[79]Sp. novValidSchwarzhans, Agiadi & CarnevaleMiocene (Messinian)ItalyAtadpole goby.
Benthophilus labronicus[79]Sp. novValidSchwarzhans, Agiadi & CarnevaleMiocene (Messinian)ItalyA tadpole goby.
Buenia pisiformis[79]Sp. novValidSchwarzhans, Agiadi & CarnevaleMiocene (Tortonian and Messinian)GreeceA species ofBuenia.
Caspiosoma lini[79]Sp. novValidSchwarzhans, Agiadi & CarnevaleMiocene (Messinian)Italy
Romania
A species ofCaspiosoma.
Caspiosoma paulisulcata[79]Sp. novValidSchwarzhans, Agiadi & CarnevaleMiocene (Messinian)ItalyA species ofCaspiosoma.
Choctawichthys[78]Gen. et comb. novValidSchwarzhans & Stringerin Stringeret al.Late Cretaceous (Maastrichtian)RipleyUnited States
(Mississippi)
A member ofParacanthopterygii of uncertain phylogenetic placement. The type species is "genus Perciformorum"cepoloides Nolf & Dockery (1990).
Chromogobius? primigenius[80]Sp. novValidSchwarzhans, Brzobohatý & RadwańskaMiocenePossibly a species ofChromogobius.
Congrophichthus[77]Gen. et sp. novValidSchwarzhans & StringerLate Cretaceous (lateCampanian andMaastrichtian) andPaleocene (Danian)Clayton
Coffee Sand
Kemp Clay
United States
(Alabama
Arkansas
Mississippi
Texas)
A member of the familyCongridae. The type species isC. transterminus.
Cowetaichthys carnevalei[78]Sp. novValidSchwarzhans & Stringerin Stringeret al.Late Cretaceous (Maastrichtian)RipleyUnited States
(Mississippi)
Abeardfish
Dakotaichthys[77]Gen. et sp. novValidSchwarzhans & StringerLate Cretaceous (Maastrichtian)Fox Hills
Kemp Clay
United States
(North Dakota
Texas)
Possibly a member of the familyGadidae. The type species isD. hogansoni.
Eleotris omuamuaensis[79]Sp. novValidSchwarzhans, Agiadi & CarnevaleMiocene (Tortonian)ItalyA species ofEleotris.
Eleotris tyrrhenicus[79]Sp. novValidSchwarzhans, Agiadi & CarnevaleMiocene (Tortonian)ItalyA species ofEleotris.
Elopothrissus carsonsloani[77]Sp. novValidSchwarzhans & StringerPaleocene (Danian)ClaytonUnited States
(Arkansas)
A relative of theJapanese gissu.
Enigmacottus[79]Gen. et sp. novValidSchwarzhans, Agiadi & CarnevaleMiocene (Messinian)ItalyPossibly a member of the familyPsychrolutidae. The type species isE. socialis.
Eutawichthys choctawae[78]Sp. novValidSchwarzhans & Stringerin Stringeret al.Late Cretaceous (Maastrichtian)Kemp Clay[77]
Ripley
United States
(Mississippi
Texas[77])
Probably a member ofBeryciformes
Gobius peloponnesus[79]Sp. novValidSchwarzhans, Agiadi & CarnevalePliocene (Zanclean)GreeceA species ofGobius.
Gobius supraspectabilis[80]Sp. novValidSchwarzhans, Brzobohatý & RadwańskaMioceneSlovakiaA species ofGobius.
Hesperichthys gironeae[79]Sp. novValidSchwarzhans, Agiadi & CarnevaleMiocene (Tortonian and Messinian)ItalyAgoby.
Hesperichthys iugosus[80]Sp. novValidSchwarzhans, Brzobohatý & RadwańskaMioceneMoldovaA goby. Originally described as a species ofHesperichthys, but subsequently transferred to the genusSarmatigobius.[81]
Hoeseichthys[80]Gen. et comb. novValidSchwarzhans, Brzobohatý & RadwańskaMiocene and Pliocene[82]Czech Republic

Germany
India[83]
Italy[79]
Morocco[82]

A goby. Genus includes"Otolithus (Gobius)" praeclarus Procházka (1893) andH. laevis (Weiler, 1942), as well as "Gobiida"bicornuta Lin, Girone & Wolf (2015) and "Gobiida"brioche Lin, Girone & Wolf (2015).[79]
Hoplopteryx langfordi[78]Sp. novValidSchwarzhans & Stringerin Stringeret al.Late Cretaceous (Maastrichtian)RipleyUnited States
(Mississippi)
Knipowitschia etrusca[79]Sp. novValidSchwarzhans, Agiadi & CarnevaleMiocene (Messinian)ItalyA species ofKnipowitschia.
Knipowitschia polonica[80]Sp. novValidSchwarzhans, Brzobohatý & RadwańskaMiocenePoland

Ukraine[84]

A species ofKnipowitschia.
Kokenichthys navis[78]Sp. novValidSchwarzhans & Stringerin Stringeret al.Late Cretaceous (Maastrichtian)Owl Creek

Ripley

United States
(Mississippi)
A member ofOsteoglossiformes of uncertain phylogenetic placement
Lesueurigobius stazzanensis[79]Sp. novValidSchwarzhans, Agiadi & CarnevaleMiocene (Tortonian)ItalyA species ofLesueurigobius.
Megalops? nolfi[78]Sp. novValidSchwarzhans & Stringerin Stringeret al.Late Cretaceous (Maastrichtian)RipleyUnited States
(Mississippi)
Probably member of the familyMegalopidae
Muraenanguilla unionensis[78]Sp. novValidSchwarzhans & Stringerin Stringeret al.Late Cretaceous (Maastrichtian)Owl Creek

Ripley

United States
(Mississippi)
Aneel of uncertain phylogenetic placement
Odondebuenia agiadiae[80]Sp. novValidSchwarzhans, Brzobohatý & RadwańskaMiocenePoland

Slovakia
Ukraine[84]

A relative of thecoralline goby.
Osmeroides mississippiensis[78]Sp. novValidSchwarzhans & Stringerin Stringeret al.Late Cretaceous (Maastrichtian)Owl Creek

Ripley

United States
(Mississippi)
Ossulcus[78]Gen. et sp. novValidSchwarzhans & Stringerin Stringeret al.Late Cretaceous (Maastrichtian)RipleyUnited States
(Mississippi)
Probably a member ofBeryciformes. The type species isO. labiatus.
Otolithopsis cumatilis[78]Sp. novValidSchwarzhans & Stringerin Stringeret al.Late Cretaceous (Maastrichtian)RipleyUnited States
(Mississippi)
Anotolith of a fish of uncertain phylogenetic placement.
Palaeogadus weltoni[77]Sp. novValidSchwarzhans & StringerLate Cretaceous (Maastrichtian)Kemp ClayUnited States
(Texas)
Palealbula korchinskyi[85]Sp. novValidSchwarzhans & MironenkoLate JurassicRussiaPossibly astem-albuliform
Palealbula moscoviensis[85]Sp. novValidSchwarzhans & MironenkoLate JurassicRussiaPossibly astem-albuliform.
Proterorhinus cretensis[79]Sp. novValidSchwarzhans, Agiadi & CarnevalePliocene (Zanclean)GreeceA species ofProterorhinus.
Pythonichthys arkansasensis[77]Sp. novValidSchwarzhans & StringerLate Cretaceous (Maastrichtian) andPaleocene (Danian)Clayton
Kemp Clay
United States
(Arkansas
Texas)
A species ofPythonichthys.
Rhynchoconger brettwoodwardi[77]Sp. novValidSchwarzhans & StringerLate Cretaceous (Maastrichtian)Kemp ClayUnited States
(Texas)
A species ofRhynchoconger.
Thorogobius petilus[79]Sp. novValidSchwarzhans, Agiadi & CarnevaleMiocene (Messinian)ItalyA species ofThorogobius.
Thrax[78]Gen. et sp. novValidSchwarzhans & Stringerin Stringeret al.Late Cretaceous (Maastrichtian)RipleyUnited States
(Mississippi)
A member ofAulopiformes belonging to the familyIchthyotringidae. The type species isT. acutus.
Tippaha[78]Gen. et sp. et comb. novValidSchwarzhans & Stringerin Stringeret al.Late Cretaceous (Maastrichtian)Owl Creek

Ripley

United States
(Mississippi)
A member ofHolocentriformes of uncertain phylogenetic placement. The type species isT. mythica; genus also includes "genus Ophidiidarum"cavatus Nolf & Stringer (1996).
Vanderhorstia prochazkai[80]Sp. novValidSchwarzhans, Brzobohatý & RadwańskaMioceneUkraine[84]A species ofVanderhorstia.
Zosterisessor exsul[79]Sp. novValidSchwarzhans, Agiadi & CarnevaleMiocene (Messinian)Italy
Romania
A relative of thegrass goby.

Lobe-finned fishes

[edit]
NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Ferganoceratodus annekempae[86]Sp. novValidCavin, Deesri & ChanthasitLate JurassicPhu KradungThailandA lungfish.
Megalichthys mullisoni[87]Sp. novValidDowns &DaeschlerDevonian (Famennian)CatskillUnited States
(Pennsylvania)
Metaceratodus baibianorum[88]Sp. novValidPanzeriet al.Late CretaceousLa ColoniaArgentinaA lungfish.
Neoceratodus potkooroki[89]Sp. novValidKemp & BerrellCretaceousAustraliaA lungfish.
Ptychoceratodus oldhami[90]Sp. novValidBhat & RayLate Triassic (Carnian)TikiIndiaAlungfish. Announced in 2018; the final version of the article naming it was published in 2020.
Rossichthys[91]Gen. et sp. novValidJohansonet al.Carboniferous (Tournaisian)Ballagan FormationUnited KingdomA member ofRhizodontida. The type species isR. clackae.

Research

[edit]
  • A study on themorphology of theosteostracans, evaluating different methods used to determine the morphological variation within this group and its evolution, is published by Ferrónet al. (2020).[92]
  • A study on the morphological diversity of osteostracan headshields, aiming to determine the relationship between their morphological diversity and hydrodynamic performance and its implications for the knowledge of the ecological diversity of the osteostracans, is published by Ferrónet al. (2020).[93]
  • A study aiming to test the alternative hypotheses ofplacoderm jaw bonehomologies, and evaluating their implications for the knowledge of evolution of jaw bones in earlyjawed vertebrates, is published by King & Rücklin (2020).[94]
  • A study on the fossil dentitions ofacanthothoracids is published by Vaškaninováet al. (2020), who report that the teeth of acanthothoracids differed fundamentally from those ofarthrodires, and argue that the characteristic traits of acanthothoracid dentition might be ancestral for all jawed vertebrates.[95]
  • Redescription of the anatomy ofWalterilepis speciosa, based on data from new fossil material, and a study on the phylogenetic relationships of this species is published online by Lukševičs (2020).[96]
  • Description of the neurocranial anatomy ofEllopetalichthys scheii is published by Castielloet al. (2020).[97]
  • A study aiming to determine whetherTitanichthys was asuspension feeder, focusing on mechanical properties of its jaw, is published by Coathamet al. (2020).[98]
  • The earliest fossilized vertebrate embryos reported so far, preserved with an adult specimen ofWatsonosteus fletti from theGivetian Eday Flagstone Formation (Orcadian Basin;Scotland,United Kingdom), are described by Newmanet al. (2020).[99]
  • Burrow, Newman & den Blaauwen (2020) describe externalspiracular elements in MiddleDevonianacanthodians from northernScotland, differing from spiracles of all known extant and extinct fishes, and report the oldest record of elastic cartilage in the fossil record.[100]
  • A study examining the factors influencing the long-term variations of genus-level diversity ofelasmobranchs andray-finned fishes throughout their evolutionary history is published by Guinot & Cavin (2020).[101]
  • Carrillo-Briceñoet al. (2020) describe a new elasmobranch assemblage from the Oligocene–Miocene boundary in theDos Bocas Formation (Ecuador), and evaluate the implications of this assemblage forchronostratigraphic inferences and the knowledge of local paleoenvironment.[102]
  • Two large vertebrae of sharks belonging to the genusPtychodus, providing new information on the life history and body size of members of the familyPtychodontidae, are described from theSantonian ofSpain by Jambura & Kriwet (2020).[103]
  • A study on the evolution of body size inlamniform sharks, including the evolution of gigantism in the lineage ofOtodus megalodon, is published by Shimada, Becker & Griffiths (2020).[104]
  • Taxonomic revision of the Oligocene and Miocenesand sharks is published by Hovestadt (2020).[105]
  • A study aiming to determine the linear body dimensions ofOtodus megalodon at different life stages is published by Cooperet al. (2020).[106]
  • A study on the class structure of assemblages of specimens ofOtodus megalodon in eight previously known formations and in a newly described Miocene locality from northeasternSpain is published by Herraizet al. (2020), who interpret their findings as indicative of existence of five potentialnurseries of these sharks ranging from theLanghian to theZanclean.[107]
  • An isolated tooth ofCosmopolitodushastalis from theMiocene ofSouth Korea is described by Yun (2020).[108]
  • A study on the fossil record of thegreat white shark from thePliocene ofPeru andChile is published by Villafañaet al. (2020), who interpret their findings as indicating that great white sharks used theCoquimbo locality in Chile as a nursery andPisco (Peru) andCaldera (Chile) localities as feeding grounds during the Pliocene.[109]
  • A study on the anatomy and phylogenetic relationships of"Urolophus" crassicaudatus is published by Marramàet al. (2020), who transfer this species to the genusArechia.[110]
  • Collaretaet al. (2020) describe a fossil stinger a stingray from thePliocene (Piacenzian) locality La Serra (Italy), twice as long as the longest caudal spines reported from any living stingray species of the Mediterranean Sea, and possibly representing the longest stingray stinger ever reported from both the fossil and the recent records.[111]
  • A study on the morphology of the marginal dentition ofLophosteus superbus is published by Chenet al. (2020), who reconstruct the dentalontogeny in this taxon, and evaluate its implications for the knowledge of the evolution of teeth of bony fishes.[112]
  • Redescription of the anatomy ofTanyrhinichthys mcallisteri is published by Stacket al. (2020).[113]
  • Fragmentary fossil material ofGyrosteus mirabilis is reported from theToarcian of the Ahrensburg erratics assemblage (Schleswig-Holstein,Germany) by Hornung & Sachs (2020), expanding known geographic range of this species, and representing the first record of achondrosteid species beyond its type area.[114]
  • Redescription of the skeletal anatomy ofYanosteus longidorsalis is published by Hilton,Grande & Jin (2020).[115]
  • Revision and a study on the phylogenetic relationships of members of the subfamilyPycnodontinae is published by Poyato-Ariza (2020).[116]
  • A study on the skeletal anatomy and phylogenetic relationships ofLombardina decorata is published by Taverne (2020).[117]
  • A study on the degree of preservation of the skin of anaspidorhynchid specimen from theBarremianPaja Formation (Colombia), representing the first instance of soft tissue preservation in vertebrates from the Early Cretaceous of northern South America, is published by Alfonso-Rojas & Cadena (2020).[118]
  • A study on the diversity and distribution of non-marineteleost fishes in the Western Interior of North America during the lateMaastrichtian, based on fossils from theHell Creek Formation, theLance Formation and theScollard Formation, is published online by Brinkmanet al. (2020).[119]
  • Description of new fossil material ofAbisaadichthys libanicus andEusebichthys byblosi, providing new information on the skeletal anatomy of these taxa, is published by Taverne & Capasso (2020).[120]
  • Fossil material ofXiphactinus is described from the latestMaastrichtian Salamanca Formation (Chubut Province,Argentina) by De Pasqua, Agnolin & Bogan (2020), representing the first record of this genus from southern part of South America.[121]
  • A methodology for assessing locomotion energetics in extinct bony fishes is presented by Ferrón (2020), who interprets his findings as providing evidence ofendothermy inXiphactinus audax.[122]
  • Redescription and a study on the phylogenetic relationships ofLaeliichthys ancestralis is published by Brito, Figueiredo & Leal (2020).[123]
  • A study on the skeletal anatomy ofPirskenius, aiming to resolve whetherPirskeniidae can be sustained as a separate family, is published by Reichenbacheret al. (2020).[124]
  • A study aiming to infer the genetic basis of the reduction of pelvic skeleton in a Miocene stickleback fishGasterosteus doryssus is published by Stuart, Travis & Bell (2020).[125]
  • A fish larva sharing anatomical similarities with the so-called tholichthys larval stage ofbutterflyfishes is described from the Eocene (Bartonian) locality of Gornyi Luch (Krasnodar Krai, Russia) by Carnevale & Bannikov (2020).[126]
  • New fossil material ofMawsonia gigas, including one of the anatomically most informative specimens referable to the genusMawsonia, is described from the MesozoicTacuarembó Formation (Uruguay) by Toriñoet al. (2020).[127]
  • New fossil material ofAxelrodichthys megadromos is described from severalCampanian andMaastrichtian sites in southernFrance by Cavinet al. (2020), who present a reconstruction of the skull of this species, and study its phylogenetic relationships and ecology.[128]
  • Redescription of the anatomy of the skull ofDurialepis edentatus is published by Mondéjar-Fernández, Friedman &Giles (2020).[129]
  • Description of new material oftristichopterids from the Devonian (Famennian) locality of Strud (Belgium), and a study on the phylogenetic relationships of tristichopterids, is published by Oliveet al. (2020).[130]
  • Description of a new, 1.57-metre-long articulated specimen ofElpistostege watsoni from the UpperDevonian ofCanada, and a study on the implications of this specimen for the knowledge of the early evolution of the vertebrate hand, is published by Cloutieret al. (2020).[131]
  • A study aiming to determine the potential significance of tides for the evolution of bony fish and early tetrapods from the Late Silurian to early Late Devonian is published by Byrneet al. (2020).[132]
  • Evidence of enhanced fish production during the extreme global warmth of the earlyPaleogene is presented by Britten & Sibert (2020).[133]
  • A study aiming to determine the impact of changes in the Earth system during the Eocene–Oligocene transition onpelagic fish production and biodiversity is published by Sibertet al. (2020).[134]

References

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  124. ^Bettina Reichenbacher; Tomáš Přikryl; Alexander F. Cerwenka; Philippe Keith; Christoph Gierl; Martin Dohrmann (2020)."Freshwater gobies 30 million years ago: New insights into character evolution and phylogenetic relationships of †Pirskeniidae (Gobioidei, Teleostei)".PLOS ONE.15 (8) e0237366.Bibcode:2020PLoSO..1537366R.doi:10.1371/journal.pone.0237366.PMC 7446829.PMID 32834000.
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