Trilobita - Phacopida - Cheiruridae
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 Sphaerexochus according to B. D. E. Chatterton and R. Ludvigsen 1976
Sister taxa: Sphaerexochus arenosis, Sphaerexochus atacius, Sphaerexochus brandlyi, Sphaerexochus bridgei, Sphaerexochus britanicus, Sphaerexochus calvus, Sphaerexochus desertus, Sphaerexochus dimorphus, Sphaerexochus discrepans, Sphaerexochus eurys, Sphaerexochus fibrisulcatus, Sphaerexochus glaber, Sphaerexochus hapsidotus, Sphaerexochus hiratai, Sphaerexochus hisingeri, Sphaerexochus johnstoni, Sphaerexochus laciniatus, Sphaerexochus latifrons, Sphaerexochus molongloensis, Sphaerexochus parvus, Sphaerexochus planirachis, Sphaerexochus pulcher, Sphaerexochus romingeri, Sphaerexochus scabridus, Sphaerexochus tuberculatus, Sphaerexochus valcourensis, Sphaerometopus
Type specimen: GSC 43540, a cephalon/head
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Chazyan of Canada (7: Northwest Territories collections)
• 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.