Da Costa, S. I. (1906). Descriptions of new species of Drymaeus, Amphicyclotus, and Neocyclotus from South and Central America. Proceedings of the Malacological Society of London. 7: 7-10, pl. 1.
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Da Costa, S. I.
1906
Descriptions of new species of <i>Drymaeus</i>, <i>Amphicyclotus</i>, and <i>Neocyclotus</i> from South and Central America
Proceedings of the Malacological Society of London