Full reference: R. D. Hoare and J. Pojeta, Jr. 2006. Ordovician Polyplacophora (Mollusca) from North America. 80(sp64):1-27
Sister taxa: none
Type specimen: USNM 523956, a partial shell (tail plate). Its type locality is USGS 6034-CO, Sulphur Well(s), New Watts Mill Rd., Little Hickman A section, which is in a Rocklandian shallow subtidal grainstone in the Tyrone Limestone Formation of Kentucky.
Ecology: facultatively mobile epifaunal grazer