WoRMS taxon details
original description
(of Crepidula rugosa var. norrisiarum M. B. Williamson, 1905) Williamson, M. B. (1905). New varieties of <i>Crepidula rugosa</i> Nuttall, found on <i>Natica</i> and <i>Norrissia</i>. <em>The Nautilus.</em> 19(5): 50-51., available online at https://www.biodiversitylibrary.org/page/42789520 page(s): 51 [details]
basis of record
Collin R. (2019). Calyptraeidae from the northeast Pacific (Gastropoda: Caenogastropoda). <em>Zoosymposia.</em> 13: 107-130., available online at http://dx.doi.org/10.11646/zoosymposia.13.1.12 page(s): 118, figs 1D, 4F [details]
identification resource
Hoagland, K.E. 1977. Systematic review of fossil and recent <i>Crepidula</i> and discussion of the evolution of the Calyptraeidae. <i>Malacologia</i>, 16(2): 353-420., available online at http://biodiversitylibrary.org/page/13131436 [details]
From editor or global species database
Distribution From Puget Sound, Washington, south to at least Punta Banda, Baja California. Subtidal to shallow depths often as an epibiont on the trochid Norissia norrisi (Sowerby I, 1838) in California and on smaller trochids further north. [details]
Type locality San Pedro Bay [details]
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