Trilobita - Corynexochida - Oryctocephalidae
Parent taxon: Oryctocephalinae according to F. A. Sundberg 2006
See also Jell and Adrain 2002, Sepkoski 2002 and Sundberg 1994
Sister taxa: Oryctocephalites, Oryctocephalus
Subtaxa: Tonkinella breviceps Tonkinella flabelliformis Tonkinella gavrilovae Tonkinella spinosa Tonkinella valida
Type: Tonkinella flabelliformis
Ecology: nektobenthic carnivore
Distribution:
• Cambrian of Argentina (2 collections), Canada (1: Alberta-British Columbia), China (1), Kazakhstan (1), Mexico (1), Spain (2), United States (3: Idaho, Montana, Utah)
• Solvan of Canada (5: Newfoundland and Labrador)
• Amgan of Kazakhstan (4), the Russian Federation (2)
• Delamaran of Canada (1: British Columbia), United States (15: California, Nevada, Utah)
Total: 38 collections including 53 occurrences
Specimen images are retrieved through the ePANDDA API.
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