†subfamily Pterygometopinae Reed 1905 (trilobite)

Trilobita - Phacopida - Pterygometopidae

Parent taxon: Pterygometopidae according to V. Jaanusson and L. Ramsk├Âld 1993

See also Owen 1981, Owen and Bruton 1980 and Warburg 1925

Sister taxa: Calliops, Chasmopinae, Creatarginae, Eomonorachinae, Monorakinae, Truncatometopus, Volkops, Yankaoia

Subtaxa: Achatella Estoniops Ingriops Isalaux Keilapyge Oelandiops Pterygometopus Upplandiops Yanhaoia

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Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Dobrotivian of Portugal (1 collection)

• Uhaku of Estonia (1), the Russian Federation (1), Sweden (5)

• Chazyan of Canada (1: Quebec)

• Fennian of France (1)

• Volkhov of the Russian Federation (29)

• Valaste of Sweden (2)

• Arenig of China (1), France (1), Morocco (1)

• Ordovician of Canada (12: Nunavut, Ontario, Quebec), China (1), Estonia (5), Ireland (2), Latvia (5), Norway (1), the Russian Federation (16), Spain (5), Sweden (27), the United Kingdom (10), United States (36: California, Colorado, Illinois, Kentucky, Minnesota, Missouri, New York, Ohio, Pennsylvania, Tennessee, Virginia)

Total: 164 collections including 170 occurrences

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