Superfamily Galeommatoidea Gray 1840 (clam)

Bivalvia - Cardiida

Alternative spelling: Galeommatacea

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

See also Beu et al. 1990, Bieler and Mikkelsen 2006, Coan et al. 2000, Nevesskaja 2009, Rosenberg 2005 and Vokes 1980

Sister taxon: Cyamioidea

Subtaxa: Ephippiodontidae Galeommatidae Lasaeidae Leptonidae

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Ecology: stationary infaunal suspension feeder

Distribution:

• Quaternary of Argentina (3 collections), Australia (1), Ecuador (3), France (2), Greenland (1), Japan (2), Mexico (10), Morocco (1), the Netherlands (5), Poland (2), South Africa (1), Turkey (2), the United Kingdom (13), United States (23: Alaska, California, Louisiana, Maryland, Massachusetts, New Jersey, North Carolina, South Carolina)

• Pliocene of Australia (1), Belgium (6), Greece (1), Indonesia (1), Jamaica (1), Panama (1), the United Kingdom (4), United States (6: California, North Carolina, South Carolina, Virginia)

• Miocene of Australia (2), Belgium (11), Bulgaria (1), Denmark (1), Ecuador (1), France (2), Germany (10), Italy (1), the Netherlands (2), Panama (3), Poland (1), United States (21: Florida, Maryland)

• Oligocene of France (1), Germany (1), United States (2: Washington)

• Eocene to Oligocene of United States (2: Oregon)

• Eocene of France (1), New Zealand (1), the United Kingdom (1), United States (4: Alabama, Mississippi)

• Paleocene of Belgium (1)

• Cretaceous of United States (4: South Dakota, Texas)

Total: 164 collections including 223 occurrences

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