Family Thyasiridae Dall 1901 (clam)

Bivalvia - Lucinida - Thyasiridae

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

See also Beu et al. 1990, Coan et al. 2000, Maxwell 1992, Nevesskaja 2009, Olsson 1931, Rosenberg 2005, Stilwell et al. 2004 and Vokes 1980

Sister taxa: none

Subtaxa: Axinopsida Axinopsidinae Axinulus Axinus Conchocele Cretaxinus Genaxinus Leptaxinus Parathyasira Tauraxinus Thyasira Thyasirinae

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Ecology: facultatively mobile infaunal suspension feeder-chemosymbiotic

Distribution:

• Quaternary of Canada (5: Newfoundland and Labrador, Nunavut, Quebec collections), Greenland (4), Iceland (1), the United Kingdom (1), United States (5: Alaska, Florida, Maine, Vermont), Yemen (1)

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

• Pliocene of Belgium (1), Chile (3), Colombia (1), Costa Rica (1), Japan (5), Mexico (1), the Russian Federation (2), United States (3: California)

• Miocene to Pliocene of United States (3: Alaska)

• Miocene of Denmark (1), Germany (4), Japan (5), the Netherlands (2), New Zealand (2), Poland (1), the Russian Federation (20), Slovakia (1), United States (4: Alaska, Florida, Oregon)

• Oligocene to Miocene of the Russian Federation (1)

• Oligocene of Belgium (1), Denmark (4), Ecuador (2), Germany (1), Japan (8), the Netherlands (2), Peru (2), Romania (1), the Russian Federation (8), Trinidad and Tobago (1), United States (24: Alaska, California, Washington)

• Eocene to Oligocene of Japan (1), United States (3: Oregon, Washington)

• Eocene of Antarctica (1), Colombia (1), Egypt (2), Germany (1), Japan (10), Romania (1), the Russian Federation (4), Saudi Arabia (1), the United Kingdom (4), United States (8: California, Washington)

• Paleocene of Denmark (1), Egypt (1), Greenland (1), New Zealand (2), Norway (1), the Russian Federation (3)

• Cretaceous of Angola (1), Antarctica (4), Egypt (1), Japan (8), Libya (1), New Zealand (6), Nigeria (1), the Russian Federation (2), Svalbard and Jan Mayen (1), Tunisia (1), United States (10: California, Nebraska, Wyoming)

Total: 215 collections including 246 occurrences

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