Listed as synonym of the younger (!) Anodonta malheurensis Henderson & Rodeck, 1934 by Modell (1957), but without ... [details]
"Catahoula beds, Texas". MacNeil (1935) specified the locality more clearly: "5 miles north of the town of La ... [details]
1 mil. east of Waterfall station, Wyoming (USA) [details]
Modell (1957) invalidly designated Unio browni Whitfield, 1903 as type species, although Pilsbry (1921, footnote on ... [details]