Sceptaspis Ludvigsen and Chatterton 1982 (trilobite)

Trilobita - Phacopida - Pterygometopidae

Full reference: R. Ludvigsen and B. D. E. Chatterton. 1982. Ordovician Pterygometopidae (Trilobita) of North America. Canadian Journal of Earth Sciences 19:2179-2206

Parent taxon: Eomonorachinae according to R. Ludvigsen and B. D. E. Chatterton 1982

See also Jell and Adrain 2002 and Sepkoski 2002

Sister taxa: Calyptaulax, Denella, Eomonorachus, Liocnemis, Podowrinella, Tricopelta

Subtaxa: Sceptaspis lincolnensis

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Ecology: fast-moving low-level epifaunal carnivore


• Ordovician of Canada (5: Northwest Territories, Ontario, Quebec collections), the Russian Federation (4), United States (17: Illinois, Iowa, Iowa/Wisconsin, Minnesota, Missouri)

Total: 26 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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