Lea, I. (1864). Description of six new species of Succinea of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia. 16: 109-111 [after 25 April 1864, before 30 June 1864].
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Lea, I.
1864
Description of six new species of <i>Succinea</i> of the United States.
Proceedings of the Academy of Natural Sciences of Philadelphia
16: 109-111 [after 25 April 1864, before 30 June 1864]