Family Myidae Lamarck 1809 (softshell clam)

Bivalvia - Pholadida - Myidae

Parent taxon: Myoidea according to J. G. Carter et al. 2011

See also Bouchet et al. 2010, Coan et al. 2000, Nevesskaja 2009, Newell 1965, Rosenberg et al. 2006, Vokes 1980, Ward 1992 and Ward and Blackwelder 1987

Sister taxa: Corbulidae, Megadesmatidae, Myacidae, Pleurodesmatidae, Raetomyidae, Rhaetomyidae

Subtaxa: Cryptomya Cryptomyinae Mya Myinae Paramya Platyodon Sphenia Spheniinae Tugonia Venatomya

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Ecology: facultatively mobile infaunal suspension feeder

Distribution:

• Quaternary of Belgium (1 collection), Brazil (5), Canada (61: British Columbia, Labrador, Manitoba, New Brunswick, Newfoundland, Newfoundland and Labrador, Nova Scotia, Nunavut, Quebec), Djibouti (1), Greenland (43), Iceland (7), Ireland (1), Japan (9), Mexico (7), Morocco (1), Norway (1), Peru (4), Poland (1), South Africa (1), Sweden (1), the United Kingdom (22), United States (87: Alaska, California, Delaware, Florida, Louisiana, Maine, Maryland, Massachusetts, New Jersey, New York, North Carolina, Oregon, South Carolina, Vermont, Virginia, Washington), Uruguay (1)

• Pliocene to Pleistocene of United States (1: Alaska)

• Pliocene of Antarctica (1), Belgium (4), Greenland (1), Iceland (2), Japan (7), the Netherlands (1), the Russian Federation (6), the United Kingdom (6), United States (26: Alaska, California, North Carolina, Oregon, Virginia), Venezuela (1)

• Hemphillian of United States (1: California)

• Miocene to Pliocene of United States (20: California)

• Miocene of Argentina (1), Austria (1), France (1), Germany (6), Indonesia (3), Japan (11), the Netherlands (1), Poland (3), the Russian Federation (25), United States (46: Alaska, California, Delaware, Maryland, New Jersey, Virginia)

• Oligocene to Miocene of United States (1: Alaska)

• Oligocene of Belgium (3), Denmark (1), France (6), Germany (1), Japan (10), the Russian Federation (6), United States (10: Alaska, North Carolina)

• Eocene of Antarctica (13), Colombia (1), Egypt (1), Hungary (1), Japan (12), Namibia (1), Pakistan (3), the Russian Federation (2), the United Kingdom (2), United States (6: California, Oregon)

• Paleocene of Belgium (1), France (1), Poland (1)

• Cretaceous of Canada (4: Alberta, British Columbia, Northwest Territories), New Zealand (2)

• Jurassic of France (1)

Total: 519 collections including 628 occurrences

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