Family Mesodesmatidae Gray 1840 (clam)

Bivalvia - Cardiida - Mesodesmatidae

Synonyms: Donacillidae Macpherson and Gabriel 1962, Myadesmidae Clark 1922

Parent taxon: Mactroidea according to J. H. Signorelli and J. G. Carter 2016

See also Bouchet et al. 2010, Carter et al. 2011, Clark and Arnold 1923, Glenn 1904, Nevesskaja 2009, Saul 1989 and Vokes 1980

Sister taxa: Anatinellidae, Cardiliidae, Mactridae

Subtaxa: Califadesma Davilinae Donacilla Mesodesmatinae Myadesma Paphies

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Ecology: facultatively mobile infaunal suspension feeder

Distribution:

• Quaternary of Australia (8 collections), Chile (12), Djibouti (3), Eritrea (3), Japan (1), New Zealand (1), Peru (12), Saudi Arabia (1), South Africa (1), Turkey (1), United States (7: Louisiana, Maine, Massachusetts, New Jersey, New York)

• Pliocene of Australia (1), Costa Rica (1), Greece (1), Italy (1), New Zealand (2), Peru (1), the United Kingdom (2)

• Miocene of Australia (2), Indonesia (1), Japan (1), United States (1: California)

• Oligocene of Canada (1: British Columbia)

• Eocene of Mexico (1), Saudi Arabia (1), United States (5: California, Oregon, Texas)

• Cretaceous of Chile (1), United States (13: California)

Total: 86 collections including 91 occurrences

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