Insecta - Caloneurodea - Hapalopteridae

Full reference: A. Handlirsch. 1906. Revision of American Paleozoic insects. Proceedings of the United States National Museum 29(1441):661-820

Belongs to Aenigmatodes according to A. P. Rasnitsyn 2004

Sister taxon: Aenigmatodes regularis

Type specimen: USNM 35578, a wing. Its type locality is Mazon Creek, USNM Lacoe Collection, which is in a Westphalian D interdistributary bay mudstone in the Carbondale Formation of Illinois.

Ecology:

Average measurements (in mm): wing length 20.0