Full reference: A. G. Smith. 1976. Two new Permian chitons from west Texas (Mollusca: Polyplacophora). The Veliger 18:281-288
Type specimen: USNM 211133, a valve (Intermediate valve). Its type locality is USNM726d, Hess Canyon, Glass Mountains, which is in a Roadian slope limestone in the Road Canyon Formation of Texas.
Ecology: facultatively mobile epifaunal grazer