See text Adocus is an extinct genus of aquatic turtles belonging to the family Adocidae.

Species of the genus Adocus had flattened and smoothly contoured shells with horny sculptured plates.

[1] The largest species, A. kirtlandius had carapace reaching 113 centimetres (3.71 ft).

They lived from the Late Cretaceous to the Paleocene in North America, but in Asia, they were also present during the Oligocene.

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