Insecta - Blattodea - Archimylacridae

Alternative combination: Gerablattina rotundata

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 Penetoblatta according to A. Handlirsch 1906

Sister taxon: Penetoblatta virginiensis

Type specimen: Coll Lacoe 2149a, 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 10.0 x 4.9