Trilobita - Phacopida - Phacopidae
Synonym: Bullicephalus Pribyl and Vanek 1971
Parent taxon: Phacopidae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002
Sister taxa: Acernaspis, Acuticryphops, Adastocephalum, Afrops, Altaesajania, Ananaspis, Babinops, Boeckops, Burtonops, Denckmannites, Dianops, Dienstina, Ductina, Echinophacopinae, Eldredgeops, Enigmapyge, Illaenula, Inexpectatops, Kainops, Liolophops, Lochkovella, Nephranomma, Nyterops, Paciphacops, Phacopidella, Phacopinae, Phacops, Plagiolaria, Pulvinocephalus, Rabienops, Rhinophacops, Rhinoreedops, Sambremeusaspis, Signatops, Teichertops, Trifoliops, Trimerocephalus, Zaplaops
Subtaxa: none
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Silurian of Canada (1: Nunavut collection), the Czech Republic (12), Estonia (3), Japan (1), Morocco (1), Paraguay (1), the Russian Federation (5), Sweden (2), Ukraine (6), United States (12: Arkansas, Illinois, Iowa, Virginia, Wisconsin)
• Ordovician to Silurian of Canada (1: British Columbia)
• Ordovician of Canada (2: Quebec)
Total: 47 collections including 48 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.