''Adocus'' is an extinct genus of aquatic

turtle Turtles are an order of reptiles known as Testudines, characterized by a special shell developed mainly from their ribs. Modern turtles are divided into two major groups, the Pleurodira (side necked turtles) and Cryptodira (hidden necked tu ...

s belonging to the family

Adocidae The Adocidae are an extinct family of aquatic and omnivorous turtle Turtles are an order of reptiles known as Testudines, characterized by a special shell developed mainly from their ribs. Modern turtles are divided into two major groups ...

. ''Adocus'' was once considered to belong to the family Dermatemyidae. Glyptops and Adocus

Description

Species of the genus ''Adocus'' had flattened and smoothly contoured shells with horny sculptured plates. The shells could reach a length of about 80 cm. These large freshwater turtles had an omnivorous diet. They lived from the Late Cretaceous to the Paleocene in North America, but in Asia, they were also present during the Oligocene.

Distribution

These turtles have been found in Cretaceous to Paleogene of Canada, United States, Mongolia, China, Japan, Kazakhstan, Tajikistan, and Uzbekistan.

Species

* '' Adocus agilis'' * '' Adocus aksary'' * ''

Adocus beatus ''Adocus beatus'' is an extinct species of aquatic turtles belonging to the family Adocidae The Adocidae are an extinct family of aquatic and omnivorous turtle Turtles are an order of reptiles known as Testudines, characterized by a s ...

'',

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen ...

(synonyms: ''A. punctatus'', ''A. lacer'') * '' Adocus bossi'' * '' Adocus bostobensis'' * ''

Adocus dzhurtasensis ''Adocus'' is an extinct genus of aquatic turtles belonging to the family Adocidae. ''Adocus'' was once considered to belong to the family Dermatemyidae. Description Species of the genus ''Adocus'' had flattened and smoothly contoured shells w ...

'' * ''

Adocus firmus ''Adocus'' is an extinct genus of aquatic turtles belonging to the family Adocidae. ''Adocus'' was once considered to belong to the family Dermatemyidae. Description Species of the genus ''Adocus'' had flattened and smoothly contoured shells w ...

'' * ''

Adocus foveatus ''Adocus'' is an extinct genus of aquatic turtles belonging to the family Adocidae. ''Adocus'' was once considered to belong to the family Dermatemyidae. Description Species of the genus ''Adocus'' had flattened and smoothly contoured shells w ...

'' * ''

Adocus hesperius ''Adocus'' is an extinct genus of aquatic turtles belonging to the family Adocidae. ''Adocus'' was once considered to belong to the family Dermatemyidae. Description Species of the genus ''Adocus'' had flattened and smoothly contoured shells w ...

'' * ''

Adocus kirtlandius ''Adocus'' is an extinct genus of aquatic turtles belonging to the family Adocidae. ''Adocus'' was once considered to belong to the family Dermatemyidae. Description Species of the genus ''Adocus'' had flattened and smoothly contoured shells w ...

'' * ''

Adocus kizylkumensis ''Adocus'' is an extinct genus of aquatic turtles belonging to the family Adocidae. ''Adocus'' was once considered to belong to the family Dermatemyidae. Description Species of the genus ''Adocus'' had flattened and smoothly contoured shells w ...

'' * ''

Adocus kohaku ''Adocus'' is an extinct genus of aquatic turtles belonging to the family Adocidae. ''Adocus'' was once considered to belong to the family Dermatemyidae. Description Species of the genus ''Adocus'' had flattened and smoothly contoured shells w ...

'' * '' Adocus lineolatus'' * '' Adocus onerosus'' * ''

Adocus orientalis ''Adocus'' is an extinct genus of aquatic turtles belonging to the family Adocidae. ''Adocus'' was once considered to belong to the family Dermatemyidae. Description Species of the genus ''Adocus'' had flattened and smoothly contoured shells w ...

'' * ''

Adocus pravus ''Adocus'' is an extinct genus of aquatic turtles belonging to the family Adocidae. ''Adocus'' was once considered to belong to the family Dermatemyidae. Description Species of the genus ''Adocus'' had flattened and smoothly contoured shells w ...

'' * '' Adocus sengokuensis'' * '' Adocus syntheticus''

References

The Paleobiology DatabaseRecently Collected Specimen of Adocus
*E.V. Syromyatnikova and I.G. Danilo
Yale Digital Content
Prehistoric turtles of Asia Early Cretaceous genus first appearances Rupelian genus extinctions Paleocene turtles Trionychia Cretaceous turtles of North America Hell Creek fauna Eocene turtles Cenozoic turtles of North America Laramie Formation Extinct turtles {{Turtle-stub