Trilobita - Phacopida - Cheiruridae
Full reference: B. D. E. Chatterton. 1980. Ontogenetic studies of Middle Ordovician trilobites from the Esbataottine Formation, Mackenzie Mountains, Canada. Palaeontographica Abteilung A 171:1-74
Belongs to Sphaerocoryphe according to B. D. E. Chatterton 1980
Sister taxa: Sphaerocoryphe arachniformis, Sphaerocoryphe dentata, Sphaerocoryphe gemina, Sphaerocoryphe granulata, Sphaerocoryphe kingi, Sphaerocoryphe longispina, Sphaerocoryphe major, Sphaerocoryphe psiles, Sphaerocoryphe punctata, Sphaerocoryphe robusta
Type specimen: UA 2753, a cephalon/head. Its type locality is Sunblood Mountain Calyptaulax-Ceraurinella Biofacies (A-110), which is in a Chazyan deep subtidal limestone in the Esbataottine Formation of Canada.
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Chazyan of Canada (2: Northwest Territories 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.