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Pacifichelys

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From Wikipedia, the free encyclopedia

Extinct genus of turtles

Pacifichelys Temporal range:Mid Miocene (Friasian-Laventan) ~15.97–13.65 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓

Skull ofPacifichelys urbinai
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Family:	Cheloniidae
Genus:	†Pacifichelys
Type species
Pacifichelys urbinai Parham and Pyenson,2010
Species
P. urbinaiParham and Pyenson, 2010 P. hutchisoni(Lynch and Parham,2003)
Synonyms
Euclastes hutchisoniLynch and Parham, 2003) Palaeontology portal

Pacifichelys is an extinct genus ofsea turtle from theMiddle Miocene ofPeru (Pisco Formation) andCalifornia (Temblor Formation).^[1]^[2] It was first named byJames F. Parham andNicholas D. Pyenson in 2010, and thetype species isPacifichelys urbinai from Peru.^[2] A second species,P. hutchisoni, was reassigned from the genusEuclastes. It is known from the Miocene of California. Like the livingRidley andloggerhead sea turtles,Pacifichelys wasdurophagous, consuming hard-shelled organisms with crushing jaws.^[2]

Taxonomy

[edit]

Cladogram based on Lynch and Parham (2003)^[3] and Parham and Pyenson (2010):^[2]

Cheloniidae sensu lato

	Erquelinnesia

	Pacifichelys

	Puppigerus

	Cheloniidaesensu stricto

References

[edit]

^Pacifichelys atFossilworks.org
^^a ^b ^c ^dJames F. Parham;Nicholas D. Pyenson (2010). "New Sea Turtle from the Miocene of Peru and the Iterative Evolution of Feeding Ecomorphologies since the Cretaceous".Journal of Paleontology.84 (2):231–247.Bibcode:2010JPal...84..231P.doi:10.1666/09-077R.1.S2CID 62811400.
^Lynch, S.C.; Parham, J.F. (2003)."The first report of hard-shelled sea turtles (Cheloniidaesensu lato) from the Miocene of California, including a new species (Euclastes hutchisoni) with unusually plesiomorphic characters"(PDF).PaleoBios.23 (3):21–35.^{[permanent dead link]}
^"Fossilworks: Euclastes coahuilaensis".

Cheloniidae family

Kingdom:Animalia
Phylum:Chordata
Class:Reptilia
Subclass:Anapsida
Order:Testudines
Suborder:Cryptodira
Superfamily:Sea turtles
Family:Cheloniidae

Genera

Species of theCheloniidae family

†Allopleuron

†Allopleuron hofmanni

†Argillochelys

†Argillochelys africana

Caretta

Loggerhead sea turtle

†Carolinochelys

†Carolinochelys wilsoni

Chelonia

Green sea turtle

†Eochelone

†Eochelone brabantica
†Eochelone voltregana

Eretmochelys

Hawksbill sea turtle

†Gigantatypus

†Gigantatypus salahi

†Glarichelys

†Glarichelys knorri

†Itilochelys

†Itilochelys rasstrigin

Lepidochelys

†Mexichelys

†Mexichelys coahuilaensis

†Miocaretta

†Miocaretta lankae

Natator

Flatback sea turtle

†Pacifichelys

†Pacifichelys hutchisoni
†Pacifichelys urbinai

†Syllomus

†Syllomus aegyptiacus
†Syllomus crispatus

†Tasbacka

Phylogenetic arrangement of turtles based onturtles of the world 2017 update: Annotated checklist and atlas of taxonomy, synonymy, distribution, and conservation status. †=Extinct.

Testudines

Kingdom:Animalia
Phylum:Chordata
Class:Reptilia
Clade:Diapsida
Order:Testudines

Genus

Chelonioidea
(Sea turtles)

Cheloniidae	†Allopleuron Caretta †Carolinochelys Chelonia †Eochelone Eretmochelys †Gigantatypus †Glarichelys †Itilochelys Lepidochelys †Mexichelys †Miocaretta Natator †Pacifichelys †Syllomus †Tasbacka
Dermochelyidae	†Arabemys †Corsochelys †Cosmochelys Dermochelys †Eosphargis †Mesodermochelys †Psephophorus
	†Euclastes †Peritresius †Procolpochelys †Protosphargis †Puppigerus

Kinosternoidea

Dermatemydidae	Dermatemys
Kinosternidae	Claudius †Hoplochelys Kinosternon Staurotypus Sternotherus

Testudinoidea

Emydidae	†Acherontemys Chrysemys Clemmys Deirochelys Emys Actinemys Emydoidea Glyptemys Graptemys Malaclemys Pseudemys Terrapene Trachemys †Wilburemys
Geoemydidae	Batagur †Banhxeochelys Cuora Cyclemys Geoclemys Geoemyda Hardella Heosemys Leucocephalon Malayemys Mauremys Melanochelys Morenia Notochelys Orlitia Pangshura Rhinoclemmys Sacalia Siebenrockiella Vijayachelys
Platysternidae	Platysternon
Testudinidae	Aldabrachelys Astrochelys Centrochelys Chelonoidis Chersina Cylindraspis †Cymatholcus †Floridemys Geochelone Gopherus †Hadrianus †Hesperotestudo Homopus Indotestudo Kinixys Malacochersus Manouria †Megalochelys †Oligopherus Psammobates Pyxis †Solitudo Stigmochelys †Stylemys Testudo

Trionychia

Carettochelyidae	†Allaeochelys †Anosteira Carettochelys
Trionychidae	Amyda Apalone †Axestemys Chitra Cyclanorbis Cycloderma †Drazinderetes Dogania †Gilmoremys †Hutchemys †Khunnuchelys Lissemys Nilssonia Palea †Palaeoamyda Pelochelys Pelodiscus Rafetus Trionyx
	†Basilochelys †Sinaspideretes

Chelydridae	Chelydra †Chelydrops †Chelydropsis †Emarginachelys †Macrocephalochelys Macrochelys †Planiplastron †Protochelydra
†Nanhsiungchelyidae	†Anomalochelys †Basilemys †Jiangxichelys
†Protostegidae	†Alienochelys †Archelon †Atlantochelys †Bouliachelys †Calcarichelys †Cratochelone †Desmatochelys †Iserosaurus †Notochelone †Ocepechelon †Pneumatoarthrus †Protostega †Rhinochelys †Santanachelys †Terlinguachelys
	†Adocus †Argillochelys †Bashuchelys †Ctenochelys †Prionochelys †Toxochelys

Pleurodira

†Araripemydidae	†Araripemys
†Bothremydidae	†Araiochelys †Arenila †Azabbaremys †Bothremys †Cearachelys †Chedighaii †Chupacabrachelys †Eotaphrosphys †Foxemys †Galianemys †Ilatardia †Inaechelys †Itapecuruemys †Jainemys †Kinkonychelys †Kurmademys †Labrostochelys †Nigeremys †Phosphatochelys †Polysternon †Puentemys †Rosasia †Rhothonemys †Sankuchemys †Taphrosphys †Ummulisani †Zolhafah
Chelidae	Acanthochelys Chelodina Chelus Elseya Elusor Emydura Hydromedusa †Lomalatachelys Mesoclemmys Myuchelys Phrynops Platemys †Prochelidella Pseudemydura Rheodytes Rhinemys †Yaminuechelys
Pelomedusidae	Pelomedusa Pelusios
Podocnemididae	†Albertwoodemys †Bauruemys †Brontochelys †Caninemys †Carbonemys †Cerrejonemys †Cordichelys Erymnochelys †Lapparentemys †Latentemys Peltocephalus Podocnemis †Stupendemys
†Sahonachelyidae	†Sahonachelys †Sokatra

	†Caribemys †Caririemys †Tacuarembemys

Phylogenetic arrangement of turtles based onTurtles of the World 2017 Update: Annotated Checklist and Atlas of Taxonomy, Synonymy, Distribution, and Conservation Status. † = extinct.

See alsoList of Testudines families

Taxon identifiers
Pacifichelys	Wikidata:Q7122818 GBIF:8474028 IRMNG:1476139 Paleobiology Database:165651

Retrieved from "https://en.wikipedia.org/w/index.php?title=Pacifichelys&oldid=1278968519"

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