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Emarginachelys

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Genus of turtles

Emarginachelys Temporal range:Maastrichtian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Clade:	Americhelydia
Genus:	†Emarginachelys Whetstone, 1978
Species:	†E. cretacea
Binomial name
†Emarginachelys cretacea Whetstone, 1978

Emarginachelys cretacea is aturtle belonging to the groupCryptodira, known from well preserved fossils from theMaastrichtian stage of the LateCretaceous ofMontana.^[1] Its exact phylogenetic position within Cryptodira is uncertain; different authors considered it to be either the earliest describedchelydrid^[2]^[3] or a fossil relative ofkinosternoids.^[4]^[5]^[6]

References

[edit]

^Emarginachelys cretacea, Paleobiology Database
^Kenneth N. Whetstone (1978)."A new genus of cryptodiran turtles (Testudinoidea, Chelydridae) from the Upper Cretaceous Hell Creek Formation of Montana".University of Kansas Science Bulletin.51 (17):539–563.doi:10.5962/bhl.part.17248.
^Georgia E. Knauss; Walter G. Joyce; Tyler R. Lyson; Dean Pearson (2011). "A new kinosternoid from the Late Cretaceous Hell Creek Formation of North Dakota and Montana and the origin of theDermatemys mawii lineage".Paläontologische Zeitschrift.85 (2):125–142.Bibcode:2011PalZ...85..125K.doi:10.1007/s12542-010-0081-x.S2CID 129123961.
^Peter A. Meylan; Eugene S. Gaffney (1989). "The skeletal morphology of the Cretaceous cryptodiran turtle,Adocus, and the relationships of the Trionychoidea".American Museum Novitates (2941):1–60.hdl:2246/5096.
^Walter G. Joyce (2016)."A Review of the Fossil Record of Turtles of the Clade Pan-Chelydridae"(PDF).Bulletin of the Peabody Museum of Natural History.57 (1):21–56.Bibcode:2016BPMNH..57...21J.doi:10.3374/014.057.0103.S2CID 87234846.
^Walter G. Joyce; Jason R. Bourque (2016)."A Review of the Fossil Record of Turtles of the Clade Pan-Kinosternoidea"(PDF).Bulletin of the Peabody Museum of Natural History.57 (1):57–95.Bibcode:2016BPMNH..57...57J.doi:10.3374/014.057.0104.S2CID 87607626.

Turtle familyChelydridae

Kingdom:Animalia
Phylum:Chordata
Class:Reptilia
Order:Testudines
Suborder:Cryptodira
Family:Chelydridae

Genus

Species of the familyChelydridae

Chelydra

†Chelydrops

†Chelydrops stricta

†Chelydropsis

†Emarginachelys

†Emarginachelys cretacea

†Macrocephalochelys

†Macrocephalochelys pontica

Macrochelys

Alligator snapping turtle (synonymized:Apalachicola snapping turtle)
Suwannee snapping turtle

†Planiplastron

†Protochelydra

†Protochelydra zangerli

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
Emarginachelys	Wikidata:Q5369239 GBIF:4577836 IRMNG:1137383 Open Tree of Life:4132400 Paleobiology Database:37709

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