Gemma Deshayes 1853 (venus clam)

Bivalvia - Cardiida - Veneridae

Parent taxon: Veneridae according to L. W. Ward and B.W. Blackwelder 1987

See also Gardner 1943 and Sepkoski 2002

Sister taxa: Austrocardilanx, Callistinae, Callocardiinae, Chamelea, Clementina, Cockburnia, Cythereinae, Eurhomalea, Ezocallista, Fossacallista, Gouldiinae, Macrocallista, Meretricinae, Paphiinae, Polititapes, Pullastra, Securella, Sinodia, Sunettinae, Transennella, Venerinae, Venerupis, Venidia, Xenoloupia

Subtaxa: Gemma cravenensis Gemma gemma Gemma magna Gemma sanctimauricensis Gemma verdevilla

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Ecology: facultatively mobile infaunal suspension feeder

Distribution:

• Quaternary of United States (45: Delaware, Florida, Louisiana, Maryland, Massachusetts, New Jersey, New York, North Carolina, South Carolina, Virginia collections), Venezuela (1)

• Pliocene of United States (17: Florida, Georgia, North Carolina, Virginia)

• Eocene of United States (1: Alabama)

Total: 64 collections including 65 occurrences

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Specimen images are retrieved through the ePANDDA API.


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