Callocardia (Agriopoma) castoriana Gardner 1943 (venus clam)

Bivalvia - Cardiida - Veneridae

Full reference: J. A. Gardner. 1943. Mollusca from the Miocene and Lower Pliocene of Virginia and North Carolina. Part 1. Pelecypoda. United States Geological Survey Professional Paper 199(A):1-178

Belongs to Callocardia (Agriopoma) according to J. A. Gardner 1943

Sister taxa: Callocardia (Agriopoma) aresta, Callocardia (Agriopoma) catharia, Callocardia (Agriopoma) chioneformis, Callocardia (Agriopoma) gatunensis, Callocardia (Agriopoma) prunensis, Callocardia (Agriopoma) subnasuta, Callocardia (Agriopoma) texasiana

Type specimen: USNM 325563, a shell

Ecology: facultatively mobile infaunal suspension feeder

Distribution: found only at Castoria - Yorktown Formation (Pliocene to Pliocene of North Carolina)

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