†Xenoloupia Clark and Durham 1946 (venus clam)
Bivalvia - Cardiida - Veneridae
Full reference: B. L. Clark and J. W. Durham. 1946. Eocene Faunas from the Department of Bolivar, Colombia. Geological Society of America Memoir 16:1-126
Parent taxon: Veneridae according to B. L. Clark and J. W. Durham 1946
Sister taxa: Ameghinomya, Austrocardilanx, Callistinae, Chamelea, Clementina, Cockburnia, Eurhomalea, Ezocallista, Gemma, Gouldia, Macrocallista, Mercenaria, Meretricinae, Pitaria, Pitarinae, Pullastra, Sinodia, Sunettinae, Transennella, Venerinae, Venerupis, Venidia, Gafrarium, Circe
Subtaxa: Xenoloupia carmenensis
Ecology: facultatively mobile infaunal suspension feeder