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Allaeochelys

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Extinct genus of turtles

Allaeochelys Temporal range:Eocene–Miocene PreꞒ Ꞓ O S D C P T J K Pg N

Allaeochelys crassesculptata
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Family:	Carettochelyidae
Tribe:	†Allaeochelyini
Genus:	†Allaeochelys Noulet, 1867
Type species
Allaeochelys parayrei Noulet, 1867
Species
See Taxonomy section

Allaeochelys is an extinct genus ofcarettochelyid turtle, known from theEocene toMiocene of Europe, Asia, North America and Africa.

Fossils of the speciesAllaeochelys crassesculpta have been found in theMessel Pit near Darmstadt, Germany in pairs fossilised in the coital position.

It is believed to be the only example in the fossil record of vertebrates mating.

Dr Walter Joyce of the University of Tübingen said that "We've demonstrated quite clearly that each pair is a male and a female, and not, for example, just two males that might have died in combat....People had long speculated they might have died while mating, but that's quite different from actually showing it."^[1]

Taxonomy

[edit]

After^[2]

Allaeochelys crassesculpta (Harrassowitz, 1922)Messel Pit, Germany, Early Eocene
Allaeochelys delheidi (Dollo, 1886)Brussels Formation, Belgium,Zamora, Spain, Early EoceneHeadon Hill Formation, England, Late Eocene (Priabonian)
Allaeochelys libyca Havlik et al., 2014,Al Wahat District, Libya, middleMiocene (Langhian)
Allaeochelys lingnanica (Young and Chow, 1962)Shaoguan, Guangdong, China earlyPaleogene (possiblyPaleocene)
Allaeochelys magnifica (Hutchison et al., 2004)Pandaung Formation, Myanmar, Late Eocene (Bartonian)
Allaeochelys meylani (Rollot, 2025)Moghra Formation, Egypt, Miocene (Burdigalian)
Allaeochelys parayrei Noulet, 1867Tarn,Toulouse, France, Late Eocene (Bartonian)
Allaeochelys liliae Carbot-Chanona et al. 2020Mazantic Shale, Chiapas, Mexico, Early Miocene (Aquitanian)

References

[edit]

^Jonathan Amos (20 June 2012)."Turtles fossilised in sex embrace".BBC News: Science and Environment. Retrieved2010-06-20.
^Carbot-Chanona, Gerardo; Rivera-Velázquez, Gustavo; Jiménez-Hidalgo, Eduardo; Reynoso, Víctor Hugo (December 2020)."The first Pan-Carettochelys turtle in the Neogene of the American continent and its paleobiogeographical relevance".Journal of South American Earth Sciences.104 102925.Bibcode:2020JSAES.10402925C.doi:10.1016/j.jsames.2020.102925.S2CID 224976641.

External links

[edit]

Media related toAllaeochelys at Wikimedia Commons

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
Allaeochelys	Wikidata:Q292843 Wikispecies:Allaeochelys EoL:4518933 GBIF:4965163 Open Tree of Life:3606157 Paleobiology Database:37669

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