†family Pterygometopidae Reed 1905 (trilobite)

Trilobita - Phacopida - Pterygometopidae

Parent taxon: Phacopoidea according to J. M. Adrain 2011

See also Jell and Adrain 2002 and Whittington et al. 1997

Sister taxon: Phacopidae

Subtaxa: Calliops Chasmopinae Creatarginae Eomonorachinae Monorakinae Pterygometopinae Truncatometopus Volkops Yankaoia

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Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Silurian of the United Kingdom (9 collections)

• Dobrotivian of Portugal (1)

• Uhaku of Belarus (1), Estonia (1), the Russian Federation (2), Sweden (5)

• Whiterockian of Canada (13: Newfoundland and Labrador, Northwest Territories, Quebec), United States (21: Nevada, New York, Oklahoma, Vermont, Virginia)

• Chazyan of Canada (21: Northwest Territories, Quebec), United States (18: New York, Oklahoma, Tennessee)

• Fennian of France (1)

• Volkhov of the Russian Federation (29)

• Valaste of Sweden (2)

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

• Ordovician to Silurian of the Russian Federation (1)

• Ordovician of Belarus (4), Belgium (3), Canada (65: British Columbia, Newfoundland, Northwest Territories, Nunavut, Nunvait, Ontario, Quebec), China (2), Estonia (79), Germany (1), Ireland (10), Latvia (10), Lithuania (12), the Netherlands (1), Norway (56), the Russian Federation (65), Spain (5), Sweden (47), the United Kingdom (52), United States (165: Alaska, California, Colorado, Georgia, Illinois, Illinois, Iowa, Indiana, Iowa/Wisconsin, Kentucky, Minnesota, Missouri, Nevada, New York, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia)

• Ibexian of United States (1: Nevada)

Total: 706 collections including 852 occurrences

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