Opisthostoma cf. gittenbergeri, Vermeulen & Clements, 2008

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. gittenbergeri Figure 12B

Materials examined.

Prk 47 Kanthan: BOR/MOL 9151, BOR/ MOL 12496 .

Distribution.

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

Remarks.

Similar to Opisthostoma gittenbergeri in the manner of coiling for the penultimate and ultimate whorls. Differ from O. gittenbergeri in wider whorl coiling and position of apical and antepenultimate whorls. Radial rib density is variable.

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.