Alycaeus perakensis (Crosse, 1879a)

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 perakensis (Crosse, 1879a) Figure 4F

Materials examined.

mykarst-184 Bat Cave : BOR/MOL 9877, BOR/MOL 9799, BOR/MOL 9833, BOR/MOL 9770. mykarst-185 Batu Kebelah: BOR/MOL 9546, BOR/MOL 9565, BOR/MOL 9573, BOR/MOL 9585. Prk 64 Bt Kepala Gajah: BOR/ MOL 10088 , BOR/ MOL 10124 , BOR/ MOL 10136 , BOR/ MOL 10166 . Prk 55 G. Pondok: BOR/ MOL 11506 , BOR/ MOL 11479 , BOR/ MOL 11539 , BOR/ MOL 11563 .

Distribution.

Known from Upper Kinta Valley and Perak River Valley, Perak only.

Remarks.

Shell larger than Alycaeus kapayanensis . Tall spire, conical shell. Penultimate whorl more expanded than A. kapayanensis . Peristome expanded and reflected. Shell lemon yellow.

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.