Trilobita - Olenida - Pterocephaliidae
Alternative spellings: Conocephalites (Pterocephalus), Ptychoparia (Pterocephalus)
Parent taxon: Pterocephaliinae according to A. R. Palmer 1960
See also Jell and Adrain 2002, Sepkoski 2002 and Walcott 1884
Sister taxa: Cernuolimbus, Sigmocheilus, Strigambitus
Subtaxa: Pterocephalia concava Pterocephalia constricta Pterocephalia elongata Pterocephalia norfordi Pterocephalia punctata Pterocephalia sanctisabae Pterocephalia tenura Ptychoparia (Pterocephalus) laticeps Ptychoparia (Pterocephalus) occidens
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Canada (6: Alberta, British Columbia, Newfoundland collections), the Russian Federation (1), United States (67: Alaska, Arkansas, California, Indiana, Missouri, Montana, Nevada, Nevada and Utah, Oklahoma, Texas, Utah, Wyoming)
Total: 74 collections including 76 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.