Insecta - Blattodea - Spiloblattinidae

Alternative combination: Poroblattina longinqua

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 Ametroblatta according to A. Handlirsch 1906

Sister taxon: Ametroblatta strigosa

Type specimen: Coll Huston 111, a tegmen (fragment). Its type locality is Willis Creek near Steubenville, which is in a Stephanian terrestrial shale in the Conemaugh Formation of Ohio.

Average measurements (in mm): tegmen 22.0 x 8.5