Eryops is represented in the Carboniferous deposits of North America by incomplete vertebral remains described by Case ([94]) from near Pittsburgh, Pennsylvania.
MOODIE
1. Photograph of type specimen of Erpetosaurus (Tuditanus) radiatus Cope, from the Coal Measures of Linton, Ohio. × 1.3. Original in American Museum of Natural History.
2. Photograph of type specimen of Erpetosaurus tabulatus Cope, from the Coal Measures of Linton, Ohio. × 2. Original in the Zoological Collections of Columbia University.
3. Photograph of the impression of Stegops divaricata Cope, from the Coal Measures of Linton, Ohio. × 2. The specimen figured is in the American Museum of Natural History. Its obverse is in the collections at Walker Museum, University of Chicago.
4. Type and only known specimen of Micrerpeton caudatum Moodie, a branchiosaur from the Coal Measures shales of Mazon Creek, Illinois. × 2. Original in collections at Walker Museum, University of Chicago.
Eryops sp. indet. Case, 1908.