MolluscaBase name details
original description
Tate, R. (1899). A revision of the Australian Cyclostrematidae and Liotiidae. <em>Transactions of the Royal Society of South Australia.</em> 23(2): 213-229, pl. 6-7., available online at http://biodiversitylibrary.org/page/16121031
page(s): 216, pl. 7, fig. 4 [details]
additional source
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): fig. S1; note: holotype illustrated [details]