†Mactrodesma subponderosa d'Orbigny 1852 (clam)
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Bivalvia - Cardiida - Mactridae
Alternative combinations: Mactra subponderosa, Spisula (Hemimactra) subponderosa
Belongs to Mactrodesma according to L. W. Ward 1992
See also Glenn 1904
Sister taxon: Mactrodesma ponderosa
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Miocene of United States (12: Maryland, Virginia collections)
Total: 12 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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