Epitonium anabathmos

Description:

Dimensions range from 4.2 mm - 5.4 mm high.
Width to height ratio: 00:1 ~ 00:1

Shell: broadly pyramidal; minute. Exterior colour white. About 8 whorls, convex; protoconch conical with ~3 whorls convex; teleoconch with ~5 whorls strongly convex. Suture narrowly fenestrate. Imperforate: umbilicus closed. Approximately 15 - 24 costae on the body whorl. Costae are prosocline, thin, rather low, becoming more widely spaced. Costae more or less continuous; with a small, blunt, reflexed coronation on the shoulder; moderately recurved, slightly arcuate,. Intercostal spaces smooth. Fasciole distinct. Aperture ovate; peristome double, base moderately thick.

Distribution:

Zululand to western Transkei, South Africa

Habitat:

intertidal

Etymology:

[greek] from anabathmos = a stairway

Type Material:

Holotype NM A5034/T2926, Mzamba, Transkei (30°51'S, 29°46'E), beach-drift, J. P. Marais. Paratypes 1-5, Mzamba (NM B7551/T2946: R. K.); 6, Nthlonyane, Transkei (NM B7553/T2945: R. K.); 7-8, Mbotyi, Transkei (NM A6503/T2949: Mrs C. M. Connolly); 9-10, Shelly Beach, S. of Port Shepstone, Natal (NM 8792/T2950: R. K., NM B4202/T2947: Mrs R. Cock); 11-12, Scottburgh, Natal (NM A1021/T2948: W. Falcon); 13-14, Tongaat, Natal (NM 3141/T503: H. C. Burnup); 15, Mapelane, Umfolosi R. mouth, Zululand (NM B4774/T2951: J. P. Marais). for Epitonium anabathmos Kilburn, 1985. [Kilburn, R.N, 1985]
Holotype: NM A5034/T2926 [as Epitonium (Hirtoscala) anabathmos Kilburn, 1985:] - Locality: Mzamba, Transkei, South Africa, 30° 51'S, 29° 46'E, intertidal.. [Brown, L. & Neville, B.D., 2015]