†family Triplesiidae Schuchert 1913 (lamp shell)

Strophomenata - Orthotetida - Triplesiidae

Parent taxon: Triplesioidea according to L. Hints and D. A. T. Harper 2015

See also Bassett and Cocks 1974, Hints et al. 2013, Jin and Chatterton 1997, Mitchell 1977, Owen and Harper 1982, Popov et al. 2000, Rõõmusoks 1964, Rubel 2011, Williams et al. 2000 and Wright 1964

Sister taxa: none

Subtaxa: Acaretyrricula Amphiplecia Bicuspina Brachymimulus Caeroplecia Cliftonia Craigella Grammoplecia Ogmoplecia Onychoplecia Onychotreta Oxoplecia Paraonychoplecia Placotriplesia Plectotreta Streptis Triplesia

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Ecology: stationary low-level epifaunal suspension feeder

Distribution:

• Silurian of Belarus (1 collection), Canada (30: Northwest Territories, Nunavut, Quebec, Québec), China (1), the Czech Republic (7), Estonia (20), Greenland (1), Lithuania (8), Norway (1), Sweden (8), Ukraine (3), the United Kingdom (45), United States (21: Alabama, Arkansas, Indiana, Iowa, Missouri, New York, Oklahoma, Tennessee, Wisconsin)

• Ordovician to Silurian of Canada (6: Québec)

• Ordovician of Argentina (3), Australia (3), Belgium (16), Canada (26: British Columbia, Newfoundland and Labrador, Northwest Territories, Ontario, Quebec, Québec), China (37), the Czech Republic (9), Estonia (29), France (5), Ireland (6), Kazakhstan (20), Latvia (32), Mongolia (1), Morocco (1), Myanmar (1), New Zealand (1), Norway (27), Peru (2), Portugal (5), the Russian Federation (28), Spain (8), Sweden (21), Thailand (1), the United Kingdom (119), United States (60: Georgia, Illinois, Illinois, Iowa, Michigan, Minnesota, Missouri, Nevada, New York, Oklahoma, Pennsylvania, Tennessee, Virginia), Venezuela (1)

• Chazy of Canada (2: Quebec), United States (40: Alabama, New York, Vermont)

• Llandeilo of China (1), Kazakhstan (2), the United Kingdom (4), United States (1: Tennessee)

• Whiterockian of United States (7: Arkansas, Maryland, Nevada, Pennsylvannia, Virginia)

Total: 671 collections including 772 occurrences

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