†family Cheiruridae Hawle and Corda 1847 (trilobite)

Trilobita - Phacopida - Cheiruridae

Parent taxon: Cheirurina according to T. Hansen 2005

See also Edgecombe et al. 1999, Harrington and Leanza 1957, Nikolaisen 1961, Peters 2003, Phleger 1933 and Whittington et al. 1997

Sister taxa: none

Subtaxa: Acanthoparyphinae Anasobella Ancyginaspis Arcticeraurinella Areia Areiaspis Borealaspis Bornholmaspis Ceraurinium Ceraurinus Cerauroides Cerauromeros Cerauropeltis Ceraurus Chacomurus Cheirurinae Cheirurus Chiozoon Contracheirurus Courtessolium Crotalocephalides Crotalocephalina Crotalocephalus Cyrtometopinae Cyrtometopus Deiphon Deiphoninae Didrepanon Eccoptochilinae Forteyops Gabriceraurus Hammannopyge Heliomera Heliomeroides Hemisphaerocoryphe Holia Hyrokybe Ichiyamella Junggarella Kawina Krattaspis Ktenoura Laneites Lehua Onycopyge Osekaspis Parayoungia Parisoceraurus Pateraspis Patomaspis Placoparina Pompeckia Proromma Protocerauroides Pseudocheirurus Radiurus Ratinkaspis Remipyga Sphaerexochinae Sphaexerochinae Stubblefieldia Sycophantia Turantyx Valongia Whittakerites Xylabion Xystocrania Youngia Zazvorkaspis

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Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Daleje of the Czech Republic (1 collection)

• Devonian of Algeria (2), Australia (6), Austria (1), the Czech Republic (34), Germany (2), Italy (8), Kazakhstan (1), Morocco (23), the Russian Federation (2), United States (3: Alaska), Uzbekistan (5)

• Silurian to Devonian of Australia (1), China (1), United States (1: Oklahoma)

• Silurian of Algeria (1), Australia (16), Austria (2), Canada (61: Northwest Territories, Nunavut, Ontario, Quebec, Yukon Territory), China (3), the Czech Republic (43), Greenland (10), India (1), Japan (3), Latvia (2), Morocco (6), Norway (1), the Russian Federation (1), Sweden (26), Ukraine (6), the United Kingdom (30), United States (50: Alaska, Arkansas, California, Illinois, Indiana, Iowa, New York, Oklahoma, Tennessee, Wisconsin)

• Niagaran of United States (1: Indiana)

• Ordovician to Silurian of Canada (2: Québec)

• Ordovician of Argentina (23), Australia (6), Belgium (2), Canada (131: British Columbia, Newfoundland, Newfoundland and Labrador, Northwest Territories, Nunavut, Nunvait, Ontario, Quebec, Québec), China (37), the Czech Republic (16), Estonia (12), France (12), Ireland (10), Italy (1), Kazakhstan (8), Latvia (1), Morocco (10), the Netherlands (2), Norway (48), Poland (2), Portugal (4), the Russian Federation (58), Spain (19), Sweden (73), the United Kingdom (30), United States (180: Alaska, California, Colorado, Illinois, Illinois, Iowa, Indiana, Iowa, Iowa/Wisconsin, Kentucky, Maine, Michigan, Minnesota, Missouri, Nevada, New York, Ohio, Oklahoma, Tennessee, Utah, Vermont, Virginia, Wisconsin)

• Llandeilo of Canada (1: Yukon), China (4), France (1), Sweden (1), the United Kingdom (3)

• Chazy of United States (15: New York)

• Whiterockian of Canada (28: Newfoundland and Labrador, Northwest Territories, Quebec), Norway (1), United States (47: Nevada, New York, Oklahoma, Vermont)

• Cassinian of the United Kingdom (1)

• Arenig of Argentina (2), China (4), Sweden (1)

• Arenigian of Canada (2: Northwest Territories), United States (1: Nevada)

Total: 1153 collections including 1903 occurrences

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