Trilobita - Asaphida - Pterocephaliidae

Full reference: A. R. Palmer. 1965. Trilobites of the Late Cambrian Pterocephaliid Biomere in the Great Basin, United States. United States Geological Survey Professional Paper 493:1-105

Belongs to Pterocephalia according to A. R. Palmer 1965

Sister taxa: Pterocephalia concava, Pterocephalia elongata, Pterocephalia tenura

Type specimen: USNM 141742, a cephalon/head (cranidium)

Ecology: fast-moving low-level epifaunal deposit feeder