Opisthostoma cf. subconicum, Vermeulen, 1994

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 cf. subconicum Figure 12C

Materials examined.

Prk 47 Kanthan: BOR/MOL 9183.

Distribution.

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

Remarks.

Similar to Opisthostoma subconicum Vermeulen, 1994, in shell shape, differ in having a more depressed apical whorl, less expanded peristome, more pronounced parietalis at the lower aperture and tooth at the upper aperture.

Figures

Figure 12. A Opisthostoma castor van Benthem Jutting, 1952 BOR / MOL 10115. Perak, Ipoh, Gua Tok Giring Plot 1 B Opisthostoma cf. gittenbergeri BOR / MOL 9151. Perak, Ipoh, Gunung Kanthan Plot 4 C Opisthostoma cf. subconicum BOR / MOL 9183. Perak, Ipoh, Gunung Kanthan Plot 4 D Opisthostoma cf. vermiculum BOR / MOL 11400. Perak, Ipoh, Gunung Tempurung Plot 2.