†Katherinella (Katherinella) Tegland 1929 (venus clam)
Bivalvia - Cardiida - Veneridae
Parent taxon: Katherinella according to Tegland 1929
Sister taxa: Katherinella arnoldi, Katherinella smithvillensis, Katherinella texitrina, Katherinella trinitatis, Pitaria (Katherinella) californica
Subtaxa: Katherinella (Katherinella) angustifrons
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Miocene of United States (27: Alaska, California, Oregon, Washington collections)
• Oligocene of United States (9: Washington)
Total: 36 collections each including a single occurrence