Tribe Pleurobemini Hannibal 1912 (freshwater mussel)
Bivalvia - Unionida - Unionidae
Synonyms: Elliptionidae Modell 1942, Elliptionini Modell 1942
Parent taxon: Ambleminae according to J. G. Carter et al. 2011
See also Bouchet et al. 2010
Sister taxa: Amblema, Amblemini, Lampsilini, Oxynaiini, Quadrulini, Cyprogenia, Proptera, Popenaias, Megalonaias, Medionidus, Friersonia, Ptychobranchus
Subtaxa: Elliptio Pleurobema
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Paleocene of Canada (5: Saskatchewan collections), United States (3: North Dakota, Utah)
• Cretaceous of Canada (6: Alberta, British Columbia), Mexico (2), Spain (1), United States (4: Arizona, Montana, Utah)
Total: 21 collections including 24 occurrences