He rejects the Hemimerina but admits the Arixenina, and brings forward a new suborder, the Archidermaptera, for the fossil species Protodiplatys fortis, described by Martynov from the Jurassic deposits of southern Kazakstan, which has 4-5-segmented tarsi, apparently rudiments of venation in the elytra, and segmented cerci, like the larvae of Diplatys and the Karschiellinae.