†Cyclorisma orbiculata Hall and Meek 1870 (venus clam)

Bivalvia - Cardiida - Veneridae

Alternative combinations: Callista (Dosinopsis) orbiculata, Callista orbiculata, Trigonocallista orbiculata

Belongs to Cyclorisma according to J. I. Kirkland 1996

See also Cobban 1953

Sister taxa: none

Ecology: facultatively mobile infaunal suspension feeder

Distribution:

• Cretaceous of Canada (1: Alberta collection), United States (4: Arizona, Montana, Texas)

Total: 5 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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