Amphidromus atricallosus perakensis (Fulton, 1901)

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 : 3

Amphidromus atricallosus perakensis (Fulton, 1901) Figure 21B

Materials examined.

Prk 47 Kanthan: BOR/MOL 9051.mykarst-027: BOR/MOL 9103. Prk 23 G. Rapat: BOR/ MOL 10028 . Prk 01 G. Tempurung: BOR/ MOL 11139 , BOR/ MOL 11210 , BOR/ MOL 11243 .

Distribution.

Widespread in Peninsular Malaysia ( Maassen 2001, Tan et al. 2011).

Remarks.

Large shell. Tall spire. Dimorphic coiling within populations, with dextral and sinistral individuals. Shell lemon yellow throughout, with white sub-sutural line. Prior to this, among Kinta Valley limestone hills, Davison (1991) reported A. atricallosus perakensis from Gunung Kanthan only.

Figures

Figure 21. A Bradybaena similaris (Ferussac, 1821) BOR / MOL 9376. Perak, Ipoh, Mykarst- 025 Plot 1 B Amphidromus atricallosus perakensis (Fulton, 1901) BOR / MOL 8285. Perak, Ipoh, outcrop 500 m C Chloritis breviseta (Pfeiffer, 1862) BOR / MOL 9091. Perak, Ipoh, Gunung Kanthan Plot 2 D Chloritis penangensis (Stoliczka, 1873) BOR / MOL 11562. Perak, Ipoh, Gunung Pondok, plot 6 E Trachia wrayi (de Morgan, 1885 b) BOR / MOL 9381. Perak, Ipoh, Mykarst- 025 Plot 1.