Full reference: H. B. Whittington and W.R., I.I. Evitt. 1953. Silicified Middled Ordovician trilobites. Geological Society of America Memoir 59:1-139
Type specimen: USNM 116500. Its type locality is Loc. 3. south side of road, 0.2 mile east of Strasburg Junction, which is in a Blackriveran carbonate limestone in the Edinburg Formation of Virginia.
Ecology: fast-moving low-level epifaunal deposit feeder