Achelonia information

Achelonia; Temporal range: Late Jurassic Kimmeridgian PreꞒ Ꞓ O S D C P T J K Pg N
	NKMB Watt15/1, Achelonia formosa, late Kimmeridgian of Wattendorf, Germany.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	Pantestudines
Clade:	Testudinata
Clade:	†Thalassochelydia
Family:	†Eurysternidae
Genus:	†Achelonia; Meyer, 1860
Species
	A. formosa Meyer, 1860;
Synonyms
	Enaliochelys chelonia Seeley, 1869;

Achelonia is an extinct genus of marine thalassochelydian turtle. Its type species is Achelonia formosa.^[1] Fossils are known from the Upper Jurassic (late Kimmeridgian) of Wattendorf, Germany, within Cerin, France, and also in England. Material from England was originally considered to belong to the separate genus Enaliochelys and species Enaliochelys chelonia, named by Harry Govier Seeley in 1869 for a partial disarticulated skeleton from the early Kimmeridgian of the Kimmeridge Clay in Cambridgeshire. The synonymy was recognised in 2020.^[2]

^ Anquetin, Puntener, and Joyce, 2017. A review of the fossil record of turtles of the clade Thalassochelydia. Bulletin of the Peabody Museum of Natural History 58 (2):317-369.
^ Joyce, Walter G.; Mäuser, Matthias (2020-06-03). "New material of named fossil turtles from the Late Jurassic (late Kimmeridgian) of Wattendorf, Germany". PLOS ONE. 15 (6): e0233483. Bibcode:2020PLoSO..1533483J. doi:10.1371/journal.pone.0233483. ISSN 1932-6203. PMC 7269257. PMID 32492031.

[1] Anquetin, Puntener, and Joyce, 2017. A review of the fossil record of turtles of the clade Thalassochelydia. Bulletin of the Peabody Museum of Natural History 58 (2):317-369.

[2] Joyce, Walter G.; Mäuser, Matthias (2020-06-03). "New material of named fossil turtles from the Late Jurassic (late Kimmeridgian) of Wattendorf, Germany". PLOS ONE. 15 (6): e0233483. Bibcode:2020PLoSO..1533483J. doi:10.1371/journal.pone.0233483. ISSN 1932-6203. PMC 7269257. PMID 32492031.

Achelonia information

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Achelonia

Testudinata

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Paleobiota of the Solnhofen Formation

Proganochelys

Compsemydidae

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Odontochelys

Perichelydia

Eurysternidae

Kimmeridge Clay

Thalassochelydia

Meiolaniidae

Eunotosaurus

Eorhynchochelys

Patagoniaemys

Sinemys

Sichuanchelyidae

Kayentachelys

Naomichelys

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Gaffneylania

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Paracryptodira