Trilobita - Phacopida - Pliomeridae

Full reference: R. A. Fortey and M.L. Droser. 1996. Trilobites at the base of the Middle Ordovician, western United States. Journal of Paleontology 70(1):73-991

Belongs to Pseudomera according to R. A. Fortey and M.L. Droser 1996

Sister taxa: Pseudomera barrandei, Pseudomera billingsi

Type specimen: USNM 481388, a pygidium

Ecology: fast-moving low-level epifaunal carnivore