Opisthostoma fallax van Benthem Jutting, 1961a

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 fallax van Benthem Jutting, 1961a Figure 13A

Materials examined.

mykarst-025: BOR/MOL 9420. mykarst-185 Batu Kebelah: BOR/MOL 9755, BOR/ MOL 12519 . Prk 01 G. Tempurung: BOR/ MOL 11206 , BOR/ MOL 11231 , BOR/ MOL 12505 . mykarst-184 Bat Cave : BOR/ MOL 12499 .

Distribution.

Restricted to Kinta Valley.

Remarks.

Similar to Opisthostoma castor in shell shape, differ in convexity of the whorl, larger umbilicus and the position of the ultimate whorl relative to the penultimate whorl ( van Benthem Jutting 1961a).

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.