ammonites
Apempherus fossus Scudder 1895

Insecta - Dicondylia - Schizoblattidae

Alternative combination: Poroblattina fossa

Full reference: S. H. Scudder. 1895. Revision of the American fossil cockroaches with descriptions of new forms. Bulletin of the United States Geological Survey 124:1-176

Belongs to Apempherus according to A. Handlirsch 1906

Sister taxon: Apempherus complexinervis

Type specimen: Coll Lacoe 2083 ab, a tegmen. Its type locality is Cassville, which is in a Sakmarian terrestrial shale in the Cassville Shales Formation of West Virginia.

Average measurements (in mm): tegmen 16.5 x 6.0