Hadrocephalites Sundberg and McCollum 2002 (trilobite)

Trilobita - Ptychopariida

Full reference: F. A. Sundberg and L. B. McCollum. 2002. Kochiella Poulsen, 1927, and Hadrocephalites new genus (Trilobita: Ptychopariida) from the early middle Cambrian of western North America. Journal of Paleontology 76(1):76-94

Parent taxon: Ptychopariacea according to F. A. Sundberg and L. B. McCollum 2002

See also Jell and Adrain 2002

Sister taxa: Eokochaspis, Kochina, Mexicella

Subtaxa: Hadrocephalites carina Hadrocephalites cecinna Hadrocephalites convexus Hadrocephalites lyndonensis Hadrocephalites rhytidodes Schistometopus

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Type: Hadrocephalites lyndonensis

Ecology: fast-moving low-level epifaunal deposit feeder


• Solvan of Canada (6: British Columbia collections)

• Delamaran of Canada (4: Alberta, British Columbia), United States (3: California, Nevada)

• Cambrian of Argentina (1), United States (18: Idaho, Nevada)

Total: 32 collections including 35 occurrences

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Specimen images are retrieved through the ePANDDA API.

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