Artiopoda - Lichida - Lichidae
Full reference: B. D. E. Chatterton and R. Ludvigsen. 1976. Silicified Middle Ordovician trilobites from the South Nahanni River Area, District of Mackenzie, Canada. Palaeontographica Abteilung A 154(1-3):1-106
Belongs to Hemiarges according to B. D. E. Chatterton and R. Ludvigsen 1976
Sister taxa: Hemiarges angustifrons, Hemiarges antelucanus, Hemiarges avalanchensis, Hemiarges balanus, Hemiarges diadayma, Hemiarges extremus, Hemiarges inghami, Hemiarges insolitus, Hemiarges leviculus, Hemiarges maccullochi, Hemiarges memorans, Hemiarges paulianus, Hemiarges rohri, Hemiarges troedssoni, Hemiarges warburgae, Hemiarges wesenbergensis, Hemiarges zhaobishanensis
Subtaxa: Hemiarges turneri amiculus Hemiarges turneri elassouothos Hemiarges turneri rasettii Hemiarges turneri turneri
Type specimen: GSC 43450, a cephalon/head (cranidium)
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Chazyan of Canada (6: Northwest Territories collections)
• Whiterockian of United States (1: New York)
• Ordovician of Canada (1: Northwest Territories)
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.