Trilobita - Corynexochida - Leiostegiidae

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 Leiostegium according to W. D. Boyce 1989

Sister taxa: Leiostegium formosa, Leiostegium goodwinensis, Leiostegium tyboensis

Type specimen: NFM F-110, a cephalon/head (cranidium)

Ecology: nektobenthic carnivore