Verrill, A. E. (1866). On the Polyps and Echinoderms of New England, with Descriptions of new species. Proceedings of the Boston Society of Natural History. 10: 333-375.
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Verrill, A. E.
1866
On the Polyps and Echinoderms of New England, with Descriptions of new species
Proceedings of the Boston Society of Natural History