Trilobita - Proetida - Bathyuridae
Alternative combination: Peltabellia knighti
Full reference: W. D. Boyce. 1989. Early Ordovician trilobite faunas of the Boat Harbour and Catoche Formations (St. George Group) in the Boat-Harbour-Cape Norman area, Great Northern Peninsula, western Newfoundland. Geological Survey Branch, Department of Mines and Energy, Newfoundland and Labrador, Report 89-2 1-168
Belongs to Strigigenalis according to J. D. Loch 2007
Sister taxa: Strigigenalis brevicaudata, Strigigenalis caudata, Strigigenalis crassimarginata, Strigigenalis derbyi, Strigigenalis implexa, Strigigenalis insentis, Strigigenalis stevensi
Type specimen: NFM F-157, a pygidium. Its type locality is BH-46, which is in a Jeffersonian peritidal packstone/grainstone in the Boat Harbour Formation of Canada.