Alternative combination: Etoblattina exsensa
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
Sister taxa: Syscioblatta anomala, Syscioblatta euryptera, Syscioblatta gracilenta, Syscioblatta kaierkanensis, Syscioblatta minor, Syscioblatta misera, Syscioblatta obscura, Syscioblatta steubenvilleana, Syscioblatta teberdensis
Type specimen: Coll Huston 161, a tegmen. 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 26.2 x 10.7