†family Thalassemydidae Zittel 1889 (turtle)

Reptilia - Testudines - Thalassemydidae

Under the current state of knowledge, it may appear superfluous to maintain the name Thalassemydidae because it is redundant with Thalassemys at the moment. However, the phylogenetic relationships of Thalassemys spp. with other thalassochelydians have never been properly explored. One of the main reasons for this is the absence of cranial material for thalassemydids. Pending better understanding of thalassochelydian relationships, we maintain the use of the name Thalassemydidae for practical reasons, but, once again highlight its taxonomic ambiguity through the use of quotation marks.

Alternative spelling: Thalassemyidae

Synonym: Acichelyidae Lydekker 1889

Parent taxon: Pancryptodira according to C. Puntener et al. 2015

See also Anquetin et al. 2014, Carroll 1988, Delair 1958, Hay 1902, Hay 1908, Jaekel 1911, Kuhn 1946, Kuhn 1966, Lortet 1892, Lydekker 1889 and Zittel 1890

Sister taxa: Chelonioidea, Macrobaenidae, Owadowia, Xinjiangchelyidae

Subtaxa: Acichelys Changisaurus Emys beaugrandi Pelobatochelys Phyllemys Sontiochelys Thalassemys Trionyx primoevus

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Ecology:

Distribution:

• Cretaceous of Slovenia (1 collection), Uzbekistan (1)

• Jurassic of China (1), France (3), Germany (2), Switzerland (4), the United Kingdom (2)

Total: 14 collections including 17 occurrences

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