Distribution & Ecology: Society (?Tahiti); Marquesas (Nuku Hiva); Tuamotu (Rangiroa, Raroia) - Marine; Shoreline to 10 m; Coral facultative associate

Regional Records: Rhynchocinctes hiatti n. sp. - Holthuis, 1953: 54 (Raroia; nomina nuda). - Morrison, 1954: 18 (Same material). - Rhynchocinetes hiatti Holthuis & Hayashi, 1967: 162, fig. 1-2 (Raroia; holotype from Formosa). - Cinetorhynchus hiatti - Okuno, 1997: 40, fig. 5, pl. 1c (Comb. nov.; Nuku Hiva). - Poupin, 1998: 10 (Checklist). - Unpublished sp., ?coll. & det. G. Paulay, Rangiroa (from photographs, ?FLMNH-UF). - Field observation, 2006, photograph by P. Bacchet, det. Bacchet/Poupin/Okuno, Tahiti, outer slope at night, 5-10 m. - AAMP, Marquesas, 2012, Leg 3, coll. Starmer & coll., St MQ1-GR, Nuku Hiva, 8-10 m, sample PC6, photo Starmer, det. Poupin.