Full reference: O. P. Hay. 1902. Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179:1-868
See also Bryant 1989, Carroll 1988, Danilov and Parham 2006, Danilov et al. 2013, Estes 1964, Gilmore 1935, Hay 1902, Hay 1908, Hay 1930, Holroyd and Hutchison 2002, Hutchison and Holroyd 2003, Hutchison et al. 2013, Joyce et al. 2004, Mallon and Brinkman 2018, Nessov 1984, Peng et al. 2001, Sukhanov et al. 2008 and Sullivan et al. 2012
Type: Compsemys variolosus
Ecology: aquatic omnivore
• Cretaceous of Canada (18: Alberta, Saskatchewan collections), Mexico (3), Mongolia (2), United States (86: California, Colorado, Montana, New Mexico, North Dakota, South Dakota, Texas, Utah, Wyoming)
Total: 109 collections including 113 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.