†Triarthrus spinosus Billings 1857 (trilobite)
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Trilobita - Olenida - Olenidae
Belongs to Triarthrus according to Billings 1857
Sister taxa: Triarthrus becki, Triarthrus beckii, Triarthrus billingsi, Triarthrus canadensis, Triarthrus eatoni, Triarthrus glaber, Triarthrus huguesensis, Triarthrus humilis, Triarthrus jachalensis, Triarthrus linnarssoni, Triarthrus rougensis, Triarthrus sichuansis, Triarthrus skutensis, Triarthrus turkestanicus
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of Canada (4: Ontario, Quebec collections)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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