Trilobita - Agnostida - Agnostidae

Alternative combinations: Homagnostus acutus, Pseudagnostus acutus

Belongs to Acmarhachis according to F. Rasetti 1961

Sister taxa: Acmarhachis apicula, Acmarhachis karatauensis, Acmarhachis kindlei, Acmarhachis longispinus, Acmarhachis punctatus, Acmarhachis typicalis, Acmarhachis whittingtoni