Family Periplomatidae Dall 1895 (clam)

Bivalvia - Thraciida - Periplomatidae

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

See also Anelli et al. 2006, Bieler and Mikkelsen 2006, Coan et al. 2000, Glenn 1904, Nevesskaja 2009, Stilwell et al. 2004, Vokes 1980 and Ward and Blackwelder 1987

Sister taxa: Burmesiidae, Cleidothaeridae, Myochamidae, Thraciidae

Subtaxa: Aperiploma Cochlodesma Periploma

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Ecology: facultatively mobile infaunal suspension feeder

Distribution:

• Quaternary of Greenland (1 collection), Jamaica (1), United States (8: California, Louisiana, South Carolina, Virginia)

• Pliocene of Belgium (4), Colombia (1), Costa Rica (4), Ecuador (1), the United Kingdom (2), United States (2: California, North Carolina), Venezuela (2)

• Miocene to Pliocene of United States (2: Alaska)

• Miocene of Antarctica (1), Belgium (2), Canada (1: British Columbia), Chile (8), Denmark (2), Germany (4), Japan (6), the Netherlands (2), the Russian Federation (13), United States (23: Alaska, Delaware, Florida, New Jersey), Venezuela (1)

• Oligocene to Miocene of Antarctica (2), the Russian Federation (1)

• Oligocene of Japan (10), the Russian Federation (12), United States (11: Alaska, Mississippi, Oregon, Washington)

• Eocene to Oligocene of the Russian Federation (1), United States (2: Oregon)

• Eocene of Antarctica (9), Argentina (3), Japan (6), the Russian Federation (7), United States (37: Alabama, Arkansas, California, Louisiana, Maryland, Mississippi, Oregon, South Carolina, Texas)

• Paleocene of Antarctica (5), Australia (1), the Russian Federation (2), United States (19: Alabama, California, Louisiana, Texas)

• Cretaceous of Canada (4: Alberta), Japan (5), Peru (1), Poland (2), United States (10: California, North Dakota, South Dakota, Tennessee, Texas)

Total: 241 collections including 275 occurrences

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