Trilobita - Lichida - Lichidae
Alternative combination: Hemiarges aquilonius
Full reference: H. B. Whittington. 1961. Silurian Hemiarges (Trilobita) from Cornwallis Island and New York State. Journal of Paleontology 35(3):433-444
Belongs to Richterarges according to J. M. Adrain 1994
Sister taxa: Richterarges bigener, Richterarges echinatus, Richterarges ethnikos, Richterarges facetus, Richterarges gibbus, Richterarges ormistoni, Richterarges ptyonurus, Richterarges rolfei
Type specimen: GSC 15242, a cephalon/head (cranidium). Its type locality is Locality 21, which is in a Ludlow marine reef rocks in the Read Bay Formation of Canada.
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Silurian of Canada (2: Northwest Territories, Nunavut collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.