Modiolopsis Hall 1847 (clam)

Bivalvia - Modiomorphida - Modiomorphidae

Synonyms: Lithobia Koken 1902, Modiodesma Ulrich 1924 [objective synonym], Orthonotella Miller 1882

Full reference: J. Hall. 1847. Containing descriptions of the organic remains of the lower division of the New York system (equivalent of the Lower Silurian rocks of Europe). Paleontology of New York 1:1-338

Parent taxon: Modiolopsinae according to L. Liljedahl 1994

See also Cox et al. 1969, Isberg 1934, Raymond 1916, Sepkoski 2002, Toni 1975 and Vokes 1980

Sister taxa: none

Subtaxa: Lithobia atava Modiodesma dalecarlica Modiodesma kullsbergensis Modiodesma leptaenarum Modiodesma modiolare Modiolopsis alvae Modiolopsis anodontoides Modiolopsis borealis Modiolopsis brevantica Modiolopsis concentrica Modiolopsis convexa Modiolopsis dalecarlica Modiolopsis exanimis Modiolopsis exilis Modiolopsis fabaformis Modiolopsis hyacinthensis Modiolopsis kallholniensis Modiolopsis leptaenarum Modiolopsis manitoulinensis Modiolopsis meafordensis Modiolopsis modiolaris Modiolopsis morierei Modiolopsis nana Modiolopsis nilssoni Modiolopsis orthoconcavus Modiolopsis ovata Modiolopsis parviuscula Modiolopsis pragensis Modiolopsis pygmaea Modiolopsis sowteri Modiolopsis subquadrilateralis Modiolopsis vera Orthonotella faberi

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Type: Modiolopsis ovata

Ecology: stationary semi-infaunal suspension feeder

Distribution:

• Permian of Madagascar (1 collection), Tanzania (2)

• Devonian of Australia (1), Belgium (1), the Czech Republic (1), Morocco (1), Poland (1), the Russian Federation (2), Vietnam (1)

• Silurian to Devonian of Morocco (2)

• Silurian of Canada (13: Manitoba, Nova Scotia, Ontario), China (3), the Czech Republic (3), Estonia (2), Italy (2), Jordan (5), Morocco (1), Poland (1), Spain (1), Sweden (4), the United Kingdom (10), United States (35: Alaska, Illinois, Indiana, Maryland, New York, West Virginia)

• Ordovician of Argentina (5), Canada (16: Ontario, Quebec, Québec), China (10), the Czech Republic (3), France (5), Morocco (1), Norway (6), Peru (1), South Korea (1), Spain (10), Sweden (2), the United Kingdom (17), United States (102: Colorado, Illinois, Iowa, Indiana, Kentucky, Maryland, Michigan, Minnesota, Minnesota, Illinois, Iowa, Minnesota, Iowa, Wisconsin, Illinois, Missouri, New York, Ohio, Oklahoma, Pennsylvania, Tennessee, Utah, Virginia)

• Llandeilo of China (1)

• Chazy of Canada (6: Ontario, Quebec), United States (12: New York)

• Whiterockian of United States (3: Minnesota, Utah)

• Dawan of China (1)

• Cassinian of United States (2: Missouri)

• Klabava of France (1)

• Arenig of China (1), France (1)

Total: 300 collections including 332 occurrences

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