Cycloscala gazae

Description:

Dimensions range from 2.75 mm - 5 mm high and 1.8 mm - 2.5 mm wide.
Width to height ratio: 0.65:1 ~ 0.5:1

Shell: narrowly to widely scalariform; microscopic to minute. Exterior colour translucent white. About 10 whorls, uncoiled from first whorl; protoconch with ~5 whorls light yellow, acutely orthoconic; teleoconch with 4-5 whorls polygyrate, conical. Spire uncoiled from the first teleoconch. Approximately 12 - 14 costae on the body whorl. Costae strongly fluted and a may or may not have a blunt coronation on the shoulder; slightly recurved. Intercostal spaces intervals smooth, without spiral sculpture. Aperture circular; peristome complete; outer lip reflexed.

Kilburn[1985: 259] notes that Cycloscala gazae somewhat resembles C. revoluta (Hedley, 1899) from the tropical Pacific, but differs from this and other members of the genus in its more numerous ribs

Distribution:

Transkei, South Africa [Kilburn, 1985: 258]; Kii Peninsular, Japan [Nakayama, 2003: 36]; Philippines [Brown & Neville, 2015: 76]; Loyalty Basin, New Caledonia [Garcia, 2004b: 59]; Philippines.

Habitat:

80-310 m [Garcia, 2004b: 59]; coarse sand, live sponge, some corals [Kilburn, 1985: 258].

Etymology:

[latin] from gazae = a prince

Type Material:

Holotype: C5831/T2778, off Port Grosvenor (31°25,6'S, 29°58,0'E), 95-100 m, coarse sand. Paratypes 1-3 (all off Port Grosvenor): C5830/T2781, 100-110 m, pebbles, some sand; C5828/T2779, 82 m, worn calcareous nodules; C5829/T2780, 80 m, calcareous nodules, lithothamnial sheets; paratype 4, C7438/T3175 off Mtamvuna River, 115 m, sponge, rocks; paratype 5, C7873/T3174 off Nqabara Point, 250 m, live sponges, some corals. for Cycloscala gazae Kilburn, 1985. [Kilburn, 1985: 258]
Holotype: NM C5831/T2778 for Cycloscala gazae Kilburn, 1985 - Type Locality: off Port Grosvenor, Transkei, South Africa, 31o 25.6'S, 29o 58'E, 95-100 m.. [Brown & Neville, 2015: 76]