Trilobita - Phacopida - Cheiruridae
Full reference: I. Hawle and A. J. C. Corda. 1847. Prodrom einer Monographie der böhmischen Trilobiten. Abhandlungen Kongligischen Böhemischen Gesellschaft der Wiossenschaften, V. Folge 5(5):1-176
Parent taxon: Cheiruridae according to Z. Kielan-Jaworowska et al. 1991
See also Adrain et al. 1995, Edgecombe et al. 1999, Nikolaisen 1961, Owen 1981, Phleger 1933 and Raymond 1916
Sister taxa: Acanthoparyphinae, Actinopeltis, Anasobella, Ancyginaspis, Arcticeraurinella, Areia, Areiaspis, Borealaspis, Bornholmaspis, Ceraurinium, Cerauromeros, Cerauropeltis, Ceraurus, Chacomurus, Cheirurus, Chiozoon, Contracheirurus, Crotalocephalides, Crotalocephalina, Crotalocephalus, Cyrtometopinae, Cyrtometopus, Deiphon, Deiphoninae, Didrepanon, Eccoptochilinae, Forteyops, Foulonia, Gabriceraurus, Hammannopyge, Hapsiceraurus, Heliomera, Heliomeroides, Hemisphaerocoryphe, Holia, Holotrachelus, Hyrokybe, Junggarella, Kawina, Kolymella, Krattaspis, Ktenoura, Laneites, Lehua, Onycopyge, Osekaspis, Parayoungia, Parisoceraurus, Pateraspis, Patomaspis, Pilekiinae, Placoparina, Pompeckia, Proromma, Protocerauroides, Pseudocheirurus, Radiurus, Ratinkaspis, Reraspis, Sphaerexochinae, Sphaexerochinae, Stubblefieldia, Sycophantia, Turantyx, Valongia, Whittakerites, Xylabion, Xystocrania, Youngia, Zazvorkaspis, Kinderlania
Subtaxa: Azyptyx Ceraurinella Ceraurinus Hadromeros Leviceraurus Paraceraurus
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Devonian of Australia (1 collection)
• Whitwellian of Canada (4: Northwest Territories)
• Silurian of Canada (20: Northwest Territories, Quebec), the Czech Republic (3), Greenland (1), Sweden (3), the United Kingdom (9), United States (3: Alaska, Arkansas, Wisconsin)
• Uhaku of the Russian Federation (1)
• Whiterockian of Canada (16: Newfoundland and Labrador, Northwest Territories, Quebec), United States (14: Nevada, New York, Oklahoma, Vermont)
• Chazyan of Canada (17: Newfoundland and Labrador, Northwest Territories), United States (3: New York)
• Fennian of France (1)
• Ordovician to Silurian of Canada (2: Québec)
• Ordovician of Argentina (3), Australia (4), Canada (39: Newfoundland, Newfoundland and Labrador, Northwest Territories, Nunavut, Ontario, Quebec), China (13), Estonia (4), Ireland (3), Kazakhstan (2), Latvia (1), Morocco (1), Norway (13), the Russian Federation (27), Sweden (15), the United Kingdom (11), United States (36: Alaska, Colorado, Illinois, Illinois, Iowa, Indiana, Iowa/Wisconsin, Minnesota, Nevada, Ohio, Tennessee, Virginia)
Total: 270 collections including 316 occurrences