original description
(of Trochus eximius Reeve, 1842) Reeve, L. A. (1841-1842). <i>Conchologia Systematica, or complete system of conchology; in which the Lepades and conchiferous Mollusca are described and classified according to their natural organization and habits</i>. Longman, Brown, Green, & Longman's, London. Vol. 1: 1-195, pls 1-129; Vol. 2: 1-338, pls 130-300 [Vol. 1, part 1, pp. 1-40, fold-out table, pls. 1-22, Oct. 1 1841; v. 1, p. 2, pp. 41-72, pls. 23-50, Nov. 1841; v. 1, p. 3, pp. 73-104, pls. 51-80, Dec. 1, 1841; v. 1, p. 4, pp. 105-144, pls. 81-104, Jan. 1842; v. 1, p. 5, pp. 145-195, pls 105-129, 114 [added plate], Feb. 1842; v. 2, p. 6, pp. 1-40, pls. 130-146, 148, 149, Mar. 1842; v. 2, p. 7, pp. 41-80, pls. 150-172, 147, Apr. 1842; v. 2, p. 8, pp. 81-120, pls. 172-193, Jun. 1842; v. 2, p. 9, pp. 121-168, pls. 194-221, Jul. 1842; v. 2, p. 10, pp. 169-200, pls. 222-245, Aug. 1842; v. 2, p. 11, pp. 201-236, pls. 246-269, Oct. 1842; v. 2. p. 12, pp. 237-337, pls. 270-330, Dec. 1842]., available online at https://www.biodiversitylibrary.org/page/15916228
page(s): 165, pl. 218, fig. 12. [details]
basis of record
Keen, A. M. (1971). Sea Shells of Tropical West America. Marine mollusks from Baja California to Peru. ed. 2. Stanford University Press. xv, 1064 pp., 22 pls. [details]
additional source
Tuskes P.M. & McGowan-Tuskes A. (2019). <i>Calliostoma</i> and <i>Akoya</i> of the Californian Marine Province (Gastropoda: Calliostomatidae). <em>The Festivus.</em> 51(1): 11-28.
page(s): 15, figs 3a-b [details] Available for editors [request]
additional source
Tuskes, P.M. (2019). Calliostomatidae of the northeast Pacific. <em>Zoosymposia.</em> 13: 83–96., available online at http://zoosymposia.13.1.9
page(s): 85, fig. 3. [details]
From editor or global species database
Distribution Isla Cedros, Baja, California, Laguna Scammons and Laguna San Ignacio, south to Bahia Magdalena, Baja Sur, Mexico and from Punta Penasco, Sonora in the upper Gulf of California south to Caelata La Cruz, Peru. [details]