Header Image
Epitoniidae Berry, 1910 (1812)

Cycloscala gazae

Kilburn, 1985

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] 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; Loyalty Basin, New Caledonia (García 2004); Philippines


Habitat:

dredged at about 100 m deep., 80-310 m


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, R.N, 1985]
Holotype: NM C5831/T2778 for Cycloscala gazae Kilburn, 1985 - Locality: off Port Grosvenor, Transkei, South Africa, 31o 25.6'S, 29o 58'E, 95-100 m.. [Brown, L. & Neville, B.D., 2015]


SpeciesImage

Kilburn, R.N (1985). pp: 255. Plate fig 25.

25, Cycloscala gazae sp. n.
Holotype
2,75 x 1,75 mm.

Distribution

as listed in source literature

Kilburn, R.N (1985).
Species Image
pp: 255. Plate fig 25.
25, Cycloscala gazae sp. n.
Holotype
2,75 x 1,75 mm.
Nakayama, T. (2003).
Species Image
pp: 141. Plate 19. Fig. 6-8.
figs 6-8:
Cycloscala gazae Kilburn, 1985
height 5.0 mm; breadth 2.5 mm (NA); fig. 8, protoconch
Garcia, E.F. (2004).
Species Image
pp: 63. Fig. 22.
ycloscala gazae Kilburn, 1985, Loyalty Basin, 21°32'S,
166°29
Species Image
pp: 63. Fig. 23.
arsint.com (2023).
Species Image
Cycloscala gazae

Source Literature:

arsint.com (2023). Shells for Sale:Epitonidae. arsint.com. http://www.arsint.com/seashells_epitoniidae_opalia.html [Accessed 21 October 2023]
Brown, L. & Neville, B.D. (2015). Catalog of the recent taxa of the families Epitoniidae and Nystiellidae (Mollusca: Gastropoda) with a bibliography of the descriptive and systematic literature. Zootaxa. 3907(1). Magnolia Press Auckland, New Zealand. http://dx.doi.org/10.11646/zootaxa.3907.1.1 [Accessed 22 October 2023]
Garcia, E.F. (2004). On the genus Cycloscala Dall, 1889 (Gastropoda: Epitoniidae) in the Indo-Pacific, with comments on the type species, new records of known species, and the description of three new species. Novapex

WoRMS direct page link: Open WoRMS record