Trilobita - Asaphida - Nileidae

PaleoDB taxon number: 175401

Full reference: W. T. Dean. 1973. Ordovician trilobites from the Keele Range, Northwestern Yukon Territory. Geological Survey of Canada Bulletin 223:1-43

Belongs to Peraspis according to W. T. Dean 1973

Sister taxa: Peraspis erugata, Peraspis kolouros, Peraspis lineolata, Peraspis omega

Type specimen: GSC 29350, a cephalon/head (cranidium). Its type locality is GSC loc. 54076. District of Mackenzie, Keele Range, which is in a Llanvirn carbonate limestone in the Esbataottine Formation of Canada.

Ecology: fast-moving low-level epifaunal carnivore