Distribution & Ecology: Austral (Rapa); Marquesas (Nuku Hiva, Hatu Iti); Society (Moorea, Raiatea, Tahiti); Tuamotu (Makatea, Mataiva, Hao, Hikueru, Rangiroa, Raroia, Taiaro, Takapoto, Tikehau) - Marine; Shoreline to 10 m; Hard bottom.

Regional Records: Daira perlata - Nobili, 1907: 392 (Hao). - Rathbun, 1907: 44 (Tahiti). - Sendler, 1923: 38 (Makatea). - Boone, 1934: 129, pl. 69 (Raiatea, Tahiti). - Holthuis, 1953: 19 (Raroia). - Chabouis L. & F., 1954: 91, fig. 4 (French Polynesia). - Morrison, 1954: 15 (Raroia). - Forest & Guinot, 1961: 119 (Hikueru, Tahiti); 1962: 68 (Biogeography "Tahiti-Tuamotu"). - Peyrot-Clausade, 1977a, annex of the species: 26; 1977b: 212 (Moorea); 1989: 112, 115 (Moorea, Tikehau). - Monteforte, 1984: 170, annex 1, tab. a, photograph p. 137a (Makatea, Mataiva, Moorea, Takapoto); 1987: 9 (Moorea). - Delesalle, 1985: 289, 305 (Mataiva). - Guinot, 1985: 453 (List). - Salvat & Richard, 1985: 362 (Takapoto). - Salvat, 1986b: 72, photograph (French Polynesia). - Poupin, 1994a: 51, fig. 47, pl. 6b (Hikueru, Taiaro); 1996a: 75 (Checklist). - Unpublished sp., coll. BENTHAUS Expedition (malacologist team, stn 10), Rapa 16-18 m, Novembre 7, 2002, det. J. Poupin November 25, 2003 (1 sp. in MNHN). - Remark: This species has sometimes been classified in the Zalasiinae Serène, 1968 (cf. Sakai, 1976: 513). - Unpublished record, coll. & det. G. Paulay, Rangiroa, October 14, 2001, Avatoru Motu, off far W. hoa (FLMNH-UF 1409). - Field observation, 2006, photograph by P. Bacchet, det. Bacchet/Poupin, Tahiti, outer slope at night, 5-10 m. - Moorea Biocode project. - AAMP, Marquesas, 2012, Leg 3, Nuku Hiva, St. MQ5-M, intertidal, coll. Starmer, Poupin, photo of a carapace only, no sample, St. MQ27-GR-M-B, Hatu Iti, 5-22 m, coll. Starmer et al., sample LC324 (carapace and chela).