Chondrichthyes - Symmoriiformes - Symmoriidae

Alternative combinations: Cladodus knightianus, Styptobasis knightiana

Full reference: E. D. Cope. 1891. On the characters of some Paleozoic fishes. Proceedings of the United States National Museum 14:447-463

Belongs to Cobelodus according to A. O. Ivanov 2017

See also Eastman 1903, Hay 1902 and Zangerl 1973

Sister taxa: none

Distribution: found only at Blue Springs section, bed 8 (Permian of Nebraska)

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Specimen images are retrieved through the ePANDDA API.