@article{MolluscaBase:SourceID:221436, author = {Baker, F. C.}, journal = {The American Midland Naturalist}, issue = {7}, pages = {220-223}, title = {On the division of the Sphaeriidae into two subfamilies: and the description of a new genus of Unionidae, with descriptions of new varieties}, url = {http://www.jstor.org/stable/2993164}, volume = {10}, year = {1927} }