Paracyclas Hall 1843 (clam)

Bivalvia - Lucinida - Mactromyidae

Parent taxon: Mactromyidae according to H. E. Vokes 1980

See also Cox et al. 1969 and Sepkoski 2002

Sister taxa: Bathycorbis, Clisocolus, Cordiula, Eolucina, Linetia, Mactromya, Mactromyopsis, Montanaria, Palaeolucina, Plesiocyprinella, Sexta, Thetironia, Thetis, Unicardium

Subtaxa: Paracyclas dubia Paracyclas elliptica

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Ecology: facultatively mobile infaunal chemosymbiotic


• Triassic to Jurassic of United States (1: Alaska collection)

• Carboniferous of China (1), the United Kingdom (1)

• Devonian of Australia (4), Canada (12: Alberta, Manitoba, Northwest Territories, Nunavut, Ontario, Quebec), China (17), Colombia (1), the Czech Republic (2), France (3), Germany (6), Italy (1), Japan (1), Libya (1), Morocco (1), the Russian Federation (4), Turkey (1), the United Kingdom (6), United States (164: Indiana, Iowa, Maryland, Missouri, Nevada, New York, Ohio, Pennsylvania, West Virginia), Venezuela (3), Vietnam (2)

• Silurian of Mongolia (1), the Russian Federation (1), the United Kingdom (6)

Total: 240 collections including 276 occurrences

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Specimen images are retrieved through the ePANDDA API.

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