Artiopoda - Ptychopariida - Catillicephalidae
Parent taxon: Catillicephalidae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002
Sister taxa: Acheilops, Agelagma, Calculites, Catillicephala, Catillicephalina, Distazeris, Galeaspis, Lajishanaspis, Madarocephalus, Onchonotellus, Onchonotininae, Onchonotus, Pemphigaspis, Peracheilus, Theodenisia, Theodensia, Triarthropsis, Tumidulaspis, Tuojiangella, Urbanaspis, Welleraspis, Yukonaspis
Subtaxa: Buttsia drabensis Buttsia globosa Buttsia inexpectata Buttsia parvula
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of Argentina (1 collection), Norway (1)
• Cambrian of Canada (1: Newfoundland), China (17), the Russian Federation (5), United States (36: Arkansas, Missouri, Oklahoma, Pennsylvania)
Total: 61 collections including 63 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.