Potts, E. (1888). Contributions towards a synopsis of the American forms of fresh-water Sponges with descriptions of those named by other authors and from all parts of the world. Proceedings of the Academy of Natural Sciences of Philadelphia. 39 (1887): 158-279.
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Potts, E.
1888
Contributions towards a synopsis of the American forms of fresh-water Sponges with descriptions of those named by other authors and from all parts of the world
Proceedings of the Academy of Natural Sciences of Philadelphia