Epitonium brachyspeira
Kilburn, 1985
Description:
Dimensions range from 2.5 mm high.
Shell: broadly pyramidal; microscopic. Exterior colour white. About 8 whorls; protoconch with ~4 whorls worn in holotype; teleoconch with ~4 whorls convex. Suture simple, moderately shallow. Approximately 21 - 24 costae on the body whorl. Costae are prosocline, irregular width, barely arcuate, an occasional one variciform. Costae not coronate. Intercostal spaces with thin, close spiral lirae,weak below suture but strong on base of body whorl. Interstices with approximately 18 spiral striae per whorl. Fasciole strong, fused along the columella. Aperture large, more or less ovate; peristome duplex, thick, thinner across the parietal area.
Distribution:
Natal, South Africa
Habitat:
intertidal
Etymology:
[greek] from brachys = short + speira = a spire
Type Material:
Holotype NM B7747/T2931 for Epitonium brachyspeira Kilburn, 1985 - Type Locality: Reunion Rocks, S. of Durban, J. P. Marais, March, 1979. [Kilburn, R.N, 1985]
Holotype: NM 7747/T2931 [as Epitonium (Labeoscala) brachyspeira Kilburn, 1985:] - Type Locality: Reunion Rocks, south of Durban, South Africa.. [Brown, L. & Neville, B.D., 2015]
Kilburn, R.N (1985). Fig. 145.
145. Epitonium (Labeoscala) brachyspira sp. n., holotype, 2.5 × 1.5 mm
Distribution
as listed in source literature
Kilburn, R.N (1985).
Fig. 153.
holotype, 2.5 x 1,5mm.