Artiopoda - Ptychopariida - Catillicephalidae
Parent taxon: Catillicephalidae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002
Sister taxa: Acheilops, Buttsia, Calculites, Catillicephala, Cryptoderaspis, Distazeris, Galeaspis, Lajishanaspis, Madarocephalus, Matania, Onchonotellus, Onchonotininae, Onchonotopsis, Onchonotus, Pemphigaspis, Peracheilus, Theodenisia, Theodensia, Tumidulaspis, Tuojiangella, Urbanaspis, Welleraspis, Yukonaspis
Subtaxa: Triarthropsis limbata Triarthropsis marginata
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of Canada (1: Newfoundland and Labrador collection)
• Cambrian of Canada (8: Alberta), United States (10: Nevada, Oklahoma, Texas, Wyoming)
Total: 19 collections including 22 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.