Trilobita - Asaphida - Asaphidae

Full reference: R. J. Ross, Jr. 1970. Ordovician Brachiopods, Trilobites, and Stratigraphy in Eastern and Central Nevada. United States Geological Survey Professional Paper 639

Belongs to Megistaspis (Ekeraspis) according to R. J. Ross 1970

Sister taxon: Megistaspis (Ekeraspis) nevadensis

Type specimen: USNM 160863, a pygidium

Ecology: fast-moving low-level epifaunal deposit feeder