Chamalycaeus microdiscus (von Moellendorff , 1886)

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

Chamalycaeus microdiscus (von Moellendorff, 1886) Figure 5F

Materials examined.

Prk 23 G. Rapat: BOR/ MOL 10206 . Prk 01 G. Tempurung: BOR/ MOL 11236 , BOR/ MOL 11420 .

Distribution.

Known from Bukit Pondok ( Maassen 2001) and Kinta Valley, Perak only.

Remarks.

Shell small. Distinguished from congeners by its elongated shell at apical view, position of the pneumatophore and prominent spiral ribs at all whorls. New record for Kinta Valley.

Figures

Figure 5. A Alycaeus thieroti de Morgan, 1885 a BOR / MOL 10258. Perak, Ipoh, Gunung Rapat Plot C 7 B Chamalycaeus diplochilus (von Moellendorff, 1886) BOR / MOL 10098. Perak, Ipoh, Gua Tok Giring C Chamalycaeus ' Kanthan 1 ' BOR / MOL 9127. Perak, Ipoh, Gunung Kanthan Plot 2 D Chamalycaeus ' kanthan 2 ' BOR / MOL 9160. Perak, Ipoh, Gunung Kanthan Plot 4 E Chamalycaeus microconus (von Moellendorff, 1886) BOR / MOL 11485. Perak, Ipoh, Gunung Pondok F Chamalycaeus microdiscus (von Moellendorff, 1886) BOR / MOL 10206. Perak, Ipoh, Gunung Rapat.