†Calorhadia (Calorhadia) Stewart 1930 (pointed nut clam)
Bivalvia - Nuculanida - Nuculanidae
Parent taxon: Calorhadia according to Stewart 1930
Sister taxa: Calorhadia aequalis, Calorhadia albirupina, Calorhadia bella, Calorhadia compsa, Calorhadia equalis, Calorhadia opulenta, Calorhadia reginajacksonis, Calorhadia semen
Subtaxa: Calorhadia (Calorhadia) pharcida
Ecology: facultatively mobile infaunal deposit feeder
Distribution:
• Miocene of Trinidad and Tobago (2 collections)
• Eocene of United States (26: Alabama, Georgia, Mississippi, South Carolina, Texas)
• Paleocene of United States (16: Alabama)
Total: 44 collections each including a single occurrence