†Calva (Microcalva) Saul and Popenoe 1992 (venus clam)
Bivalvia - Cardiida - Veneridae
Full reference: L. R. Saul and W. P. Popenoe. 1992. Pacific Slope Cretaceous bivalves of the genus Calva. Contributions in Science, Los Angeles County Museum 433:1-68
Parent taxon: Calva according to L. R. Saul and W. P. Popenoe 1992
Sister taxa: Calva (Calva), Calva (Egelicalva), Calva (Penecallista)
Subtaxa: Calva (Microcalva) elderi Calva (Microcalva) haggarti
Type: Calva (Microcalva) haggarti
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Cretaceous of United States (3: California, Washington collections)
Total: 3 collections each including a single occurrence