WoRMS taxon details
original description
(of Cyclostrema modestum A. Gould, 1859) Gould, A. A. (1859). Descriptions of new species of shells brought home by the North Pacific Exploring Expedition. <em>Proceedings of the Boston Society of Natural History.</em> 7: 138-142., available online at http://biodiversitylibrary.org/page/9249698 page(s): 142. [details]
basis of record
Rubio, F. & Rolán, E. (2022). <i>New species of Vitrinellidae (Gastropoda: Truncatelloidea) from the Indo-Pacific. The genus </i>Circulus<i> Jeffreys, 1865</i>. Museo de Historia Natural, Universidad Santiago de Compostela. 422 pp. page(s): 252, fig. J1 [details]
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