Trilobita - Ptychopariida - Catillicephalidae
Parent taxon: Catillicephalidae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002
Sister taxa: Acheilops, Calculites, Catillicephala, Cryptoderaspis, Distazeris, Galeaspis, Lajishanaspis, Madarocephalus, Matania, Onchonotellus, Onchonotopsis, Onchonotus, Pemphigaspis, Peracheilus, Theodenisia, Theodensia, Triarthropsis, Tumidulaspis, Tuojiangella, Urbanaspis, Welleraspis, Yukonaspis
Subtaxa: Buttsia globosa Buttsia inexpectata Buttsia parvula
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Tremadoc of Argentina (1 collection)
• Ibexian of Norway (1)
• Cambrian of Canada (1: Newfoundland), China (17), the Russian Federation (5), United States (34: Arkansas, Missouri, Pennsylvania)
Total: 59 collections including 61 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.