Biology:Adocidae

Short description: Extinct family of turtles

Adocidae Temporal range: Cretaceous–Paleogene PreЄ Є O S D C P T J K Pg N
Shell of Adocus beatus, Peabody Museum of Natural History
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Clade:	†Adocusia
Family:	†Adocidae Cope, 1870
Type species
†Emys beatus Leidy, 1865
Subfamilies
†Proadocus †Adocinae †Adocus †Shachemydinae †Adocoides †Ferganemys †Isanemys †Mlynarskiella †Protoshachemys †Shachemys †Shineusemys

The Adocidae are an extinct family of aquatic and omnivorous turtles. They are freshwater cryptodiran turtles and are mainly known from Cretaceous and Paleogene Asia and North America.

Skull and shell of Glyptops ornatus, and shell of Adocus beatus

Taxonomy

Phylogeny modified from Danilov et al. (2013). Yehguia is most likely synonymous with Sinaspideretes, and is placed outside of Adocidae here for reasons proposed in Tong, Li & Ouyang (2013).

Trionychoidea	Nanhsiungchelyidae       Yehguia(=Sinaspideretes?)   Adocidae     Ferganemys itemirensis     Ferganemys verzilini   Shachemys   Shachemys laosiana       Shachemys ancestralis     Shachemys baibolatica         Adocus   Adocus beatus     Adocus bossi     Adocus kirtlandius       Adocus inexpectatus     Adocus amtgai     Adocus aksary

Distribution

Species of this genus are present in Oligocene of Kazakhstan, Paleocene of United States, and the Cretaceous of Canada, Japan, South Korea, Kazakhstan, Kyrgyzstan, Laos, Mexico, Mongolia, Tajikistan, Thailand, United States and Uzbekistan.

References

• Paleocene Mammals
• Recently Collected Specimen of Adocus
• E.V. Syromyatnikova and I.G. Danilov [1]
• Yale Digital Content

Wikidata ☰ Q4684024 entry