†Lithogryllites lutzii Cockerell 1908 (true crickets)
Insecta - Orthoptera - Gryllidae
Full reference: T. D. A. Cockerell. 1908. Fossil Insects from Florissant, Colorado. Bulletin of the American Museum of Natural History 24:59-69
Belongs to Lithogryllites according to F. E. Zeuner 1939
Sister taxa: none
Type specimen: AMNH Fl 18920, an exoskeleton (complete body). Its type locality is Florissant, Station 14, which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
Ecology: fast-moving ground dwelling herbivore
Average measurements (in mm): body length 13.0