†Mercenaria campechiensis rileyi Conrad 1838 (quahog)
Bivalvia - Cardiida - Veneridae
Alternative combinations: Mercenaria rileyi, Venus (Mercenaria) campechiensis rileyi, Venus rileyi
Belongs to Mercenaria campechiensis according to A. J. W. Hendy et al. 2008
See also Gardner 1943 and Glenn 1904
Sister taxa: Mercenaria campechiensis tridacnoides, Venus (Mercenaria) campechiensis carolinensis
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Quaternary of United States (1: South Carolina collection)
• Pliocene of United States (6: Florida, North Carolina, Virginia)
• Miocene of United States (1: Maryland)
Total: 8 collections each including a single occurrence