Gastropods from the Burdwood Bank (southwestern Atlantic): an overview of species diversity Author Luca, Javier Di Author Zelaya, Diego G. text Zootaxa 2019 2019-01-10 4544 1 41 78 journal article 27685 10.11646/zootaxa.4544.1.2 2f89f82f-be57-45b4-ad3c-ed72a7647551 1175-5326 2618137 211842AA-6C98-425B-9377-1AF0DC78C893 Calliostoma cf. moebiusi Strebel, 1905 Fig. 2E Calliostoma möbiusi Strebel, 1905a : 133 , pl. 5, fig. 22; Melvill & Standen, 1912 : 121 Examined material. 1 an. and 5 sh. (MACN-In 40665). Description. Shell width to 10.1 mm (up to 16.6 mm according to Strebel 1905a ); pyramidal, solid. Protoconch of 1.25 convex whorls. Teleoconch of up to 5 whorls, almost straight in outline; last whorl comprising about 70% of total shell height. Suture impressed. Surface pink, with narrow, white spiral bands; firsts two whorls sculptured with 3 or 4 spiral cords, vanishing on subsequent whorls; last whorl with a weak cord at base. In addition, faint growth lines are evident along all teleoconch whorls. Aperture subquadrate, interior iridescent; columellar callus expanded over the umbilical area. Operculum rounded, multispiral; pale brown, translucent. Remarks. The material studied here resembles C. moebiusi Strebel, 1905 . However it differs by having teleoconch sculpture less developed.