Trilobita - Corynexochida - Illaenidae
Alternative spelling: Bumastus (Bumastoides)
Full reference: H. B. Whittington. 1954. Ordovician trilobites from Silliman's Fossil Mount. in A. K. Miller, W. Youngquist, and C. Collinson, Ordovician cephalopod fauna of Baffin Island, Geological Society of America Memoir 62:119-149
Parent taxon: Illaenidae according to B. D. E. Chatterton 1980
See also Jell and Adrain 2002, Sepkoski 2002 and Whittington 1954
Sister taxa: Amphoriops, Bumastus, Caudillaenus, Cryptonymus, Dysplanus, Eastonillaenus, Ectillaenus, Harpillaenus, Hyboaspis, Illaeninae, Illaenurus, Illaenus, Nanillaenus, Octillaenus, Panderinae, Parillaenus, Platillaenus, Ptilillaenus, Stenopareia, Thaleops, Ulugtella, Zbirovia, Zdicella
Subtaxa: Bumastoides billingsi Bumastoides lenzi Bumastoides shihtzupuensis Bumastus (Bumastoides) aplatus Bumastus (Bumastoides) gardenensis Bumastus (Bumastoides) milleri
Type: Illaenus milleri
Ecology: nektobenthic carnivore
Distribution:
• Chazyan of Canada (12: Northwest Territories collections)
• Whiterockian of Canada (2: Northwest Territories), United States (12: New York, Vermont)
• Ordovician of Australia (3), Canada (25: Northwest Territories, Ontario, Quebec, Québec), China (2), Kazakhstan (1), the United Kingdom (5), United States (34: Illinois, Illinois, Iowa, Iowa/Wisconsin, Minnesota, Missouri, New York, Oklahoma, Virginia)
Total: 96 collections including 100 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.