Full reference: S. R. Westrop and J. D. Eoff. 2012. Late Cambrian (Furongian; Paibian, Steptoean) agnostoid arthropods from the Cow Head Group, western Newfoundland. Journal of Paleontology 86(2):201-237
Type specimen: GSC 143603, a cephalon/head. Its type locality is Cow Head CH 57, which is in a Steptoean shallow subtidal conglomerate in the Shallow Bay Formation of Canada.
Ecology: slow-moving nektonic suspension feeder