Opisthostoma vermiculum Clements & Vermeulen, in Clements et al. 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 vermiculum Clements & Vermeulen, in Clements et al. 2008 Figure 14D

Materials examined.

Prk 23 G. Rapat: BOR/ MOL 10214 , BOR/ MOL 10242 , BOR/ MOL 10267 .

Distribution.

Known from Gunung Rapat only (Clements et al. 2008), but surrounding hills have yet to be adequately surveyed.

Remarks.

Distinguished from congeners by its shell shape and the presence of four coiling axes. Differ from Opisthostoma cf. vermiculum only in the coiling axis of the apical and antepenultimate whorls.

Figures

Figure 14. A Opisthostoma paulucciae (( Crosse and Nevill, in Crosse, 1879 b )) BOR / MOL 9019. Perak, Ipoh, Gunung Kanthan B Opisthostoma ' tempurung 1 detached' BOR / MOL 12504. Perak, Ipoh, Gunung Tempurung Plot 4 C Opisthostoma trapezium van Benthem Jutting, 1952 BOR / MOL 9035. Perak, Ipoh, Gunung Kanthan D Opisthostoma vermiculum Clements and Vermeulen, in Clements et al., 2008 BOR / MOL 10242. Perak, Ipoh, Gunung Rapat.