Bivalvia - Unionida - Unionidae
Synonyms: Acuticostinae Starobogatov 1967, Cafferiinae Modell 1942, Heudeaninae Modell 1942, Nodulariinae Starobogatov and Zatravkin 1987, Strophitinae Starobogatov 1970
Parent taxon: Unionidae according to J. G. Carter et al. 2011
See also Beu et al. 1990, Bouchet et al. 2010 and Vokes 1980
Sister taxa: Acuneopsis, Alasmidontinae, Ambleminae, Anodonta, Coelatura, Coelaturinae, Comptio, Cuneopsis, Danlengiconcha, Elongaria, Eocuneopsis, Eolamprotula, Gonideinae, Jishuiconcha, Lamprotula, Liopotomida, Liovetulonaia, Luochengella, Modellnaiinae, Ningxiaconcha, Paranodonta, Parreysiinae, Periodunio, Plicatounio, Potomida, Proparreysia, Pseudelliptio, Psilounio, Qianweiella, Qiyangia, Qiyangiinae, Quadrula, Radioplicata, Rectidentinae, Rhabdotophorus, Shifangella, Shistodesmus, Solenaia, Tuberonaia, Undulatula, Unionelloides, Wulongiconcha, Yunnanoconcha
Subtaxa: Acuticosta Anodontini Cafferia Cucumerunio Heudeana Lithodomina Nodularia Strophitus Unio Unionini
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Quaternary of China (2 collections), Egypt (5), Germany (1), Greece (2), Japan (1), Poland (1), South Africa (1), Tanzania (4), Tunisia (1)
• Pliocene of Indonesia (1), Romania (1)
• Miocene of Bosnia and Herzegovina (2), Croatia (2), Germany (9), Portugal (2), Romania (1), Spain (2), Switzerland (1), Turkey (1), United States (2: Texas)
• Oligocene of Hungary (2), Japan (1), Switzerland (1)
• Eocene of Cuba (1), Japan (5), the United Kingdom (14), United States (5: Wyoming)
• Paleocene of Canada (1: Alberta), China (1)
• Cretaceous of Brazil (1), Canada (3: Alberta), China (1), the Czech Republic (1), France (3), India (6), Japan (10), Malawi (1), Mongolia (1), Romania (1), Spain (4), the United Kingdom (2), United States (18: Arizona, Montana, New Mexico, Texas)
• Jurassic of China (3), Hungary (1), Japan (1), Portugal (3), Spain (1), the United Kingdom (9), United States (4: Colorado, Utah, Wyoming)
• Triassic of Australia (1), Germany (1), the Russian Federation (1), Tanzania (1), United States (12: Arizona, New Mexico, Texas), Zambia (1)
• Permian of Nepal (1), Pakistan (9)
Total: 174 collections including 193 occurrences