Opisthostoma 'Kanthan 1'

Foon, Junn Kitt, Clements, Gopalasamy Reuben & Liew, Thor-Seng, 2017, Diversity and biogeography of land snails (Mollusca, Gastropoda) in the limestone hills of Perak, Peninsular Malaysia, ZooKeys 682, pp. 1-94 : 2

Opisthostoma 'Kanthan 1' Figure 13C

Materials examined.

Prk 47 Kanthan: BOR/MOL 9182, BOR/MOL 9070, BOR/MOL 9060, BOR/MOL 9158, BOR/MOL 9168.mykarst-027: BOR/MOL 9115, BOR/MOL 9026. Prk 34 G. Tasek: BOR/ MOL 11162 , BOR/ MOL 11007 , BOR/ MOL 11050 , BOR/ MOL 11187 , BOR/ MOL 11192 .

Distribution.

Known from Gunung Kanthan and Gunung Tasek only, but surrounding hills have yet to be adequately surveyed.

Remarks.

Spire height, radial rib density and whorl shape variable. Differ from Opisthostoma cf. subconicum in having rounder whorls, finer but distinct radial ribs and the direction the aperture is facing.

Figures

Figure 13. A Opisthostoma fallax van Benthem Jutting, 1961 BOR / MOL 9755. Perak, Ipoh, Batu Kebelah Plot 4 B Opisthostoma gittenbergeri Vermeulen & Clements, 2008 BOR / MOL 10452. Perak, Ipoh, Gunung Datok C Opisthostoma ' Kanthan 1 ' BOR / MOL 9182. Perak, Ipoh, Gunung Kanthan Plot 3 D Opisthostoma megalomphalum van Benthem Jutting, 1952 BOR / MOL 10271. Perak, Ipoh, Gunung Rapat Plot C 7 E Opisthostoma ' mykarst- 025 1 ' BOR / MOL 12506. Perak, Ipoh, Mykarst- 025 Plot 4.