Alycaeus gibbosulus (Stoliczka, 1872)

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

Alycaeus gibbosulus (Stoliczka, 1872) Figure 4C

Materials examined.

mykarst-025: BOR/MOL 9382, BOR/MOL 9416, BOR/MOL 9436, BOR/MOL 9500. mykarst-027: BOR/MOL 9106. Prk 23 G. Rapat: BOR/ MOL 10286 . Prk 55 G. Pondok: BOR/ MOL 11523 , BOR/ MOL 11538 .

Distribution.

Found throughout Peninsular Malaysia. Elsewhere, in southern Thailand ( Maassen 2001).

Remarks.

Small shell. Globular, convex whorls. Very similar to Alycaeus conformis , differs only by the more expanded penultimate whorl and calcrete-encrusted operculum exterior.

Figures

Figure 4. A. Acmella ' Kanthan 1 ' BOR / MOL 9781. Perak, Ipoh, Bat Cave Hill Plot 1 B Alycaeus conformis Fulton, 1902 BOR / MOL 10057. Perak, Ipoh, Gunung Rapat Plot C 3 C Alycaeus gibbosulus (Stoliczka, 1872) BOR / MOL 9436. Perak, Ipoh, Mykarst- 025 Plot 3 D Alycaeus jousseaumei (de Morgan, 1885 a) BOR / MOL 11211. Perak, Ipoh, Gunung Tempurung Plot 3 E Alycaeus kapayanesis (de Morgan, 1885 a) BOR / MOL 11385. Perak, Ipoh, Gunung Tempurung Plot 2 F Alycaeus perakensis (Crosse, 1879) BOR / MOL 11506. Perak, Ipoh, Gunung Pondok, plot 3.