Tryon, G. W. (1871). A monograph of the fresh-water univalve Mollusca of the United States. Part 4. Conchology section, Academy of Natural Sciences Philadelphia, Philadelphia. pp 187-238, plates 2, 5-7.
349350
Tryon, G. W.
1871
<i>A monograph of the fresh-water univalve Mollusca of the United States. Part 4</i>. Conchology section, Academy of Natural Sciences Philadelphia, Philadelphia. pp 187-238, plates 2, 5-7.