Lea, I. (1869). Descriptions of six new species of fresh water shells. Proceedings of the Academy of Natural Sciences of Philadelphia. 21: 124-125 [after 15 June 1869, before 30 July 1869].
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Lea, I.
1869
Descriptions of six new species of fresh water shells.
Proceedings of the Academy of Natural Sciences of Philadelphia
21: 124-125 [after 15 June 1869, before 30 July 1869]