Full reference: T. D. A. Cockerell. 1921. Eocene Insects from the Rocky Mountains. Proceedings of the United States National Museum 57:233-260
Sister taxa: Carabites anthracinus, Carabites arapahoensis, Carabites creta, Carabites dubius, Carabites ellipticus, Carabites exanimus, Carabites gardneri, Carabites geinitzi, Carabites harringtoni, Carabites kincaidi, Carabites scoticus, Carabites vitimensis
Type specimen: USNM 66577, an elytra (pair of elytron). Its type locality is White River (Scudder collection), which is in a Bridgerian lacustrine - large shale in the Green River Formation of Utah.
Average measurements (in mm): elytron 9.00 x 3.00