Bivalvia - Cardiida - Veneridae
Alternative spelling: Gemminae
Parent taxon: Meretricini according to J. G. Carter et al. 2011
See also Bieler and Mikkelsen 2006, Bouchet et al. 2010, Gardner 1943, Pacaud and Le Renard 1995, Vokes 1980 and Woodring 1982
Sister taxa: Clementiina, Cyclinina, Meretricina, Petricolina, Samarangiina, Sunettina, Turtoniina
Subtaxa: Parastarte Plesiastarte Rohini
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Quaternary of United States (13: Florida, Mississippi collections)
• Pliocene to Pleistocene of United States (1: Florida)
• Pliocene of Jamaica (1), United States (2: Florida)
• Miocene of Iraq (1), Panama (3), United States (1: Florida)
• Eocene of Panama (2)
Total: 24 collections each including a single occurrence