Crossopoma albersi (Pfeiffer, 1847)

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

Crossopoma albersi (Pfeiffer, 1847) Figure 6C

Materials examined.

mykarst-027: BOR/MOL 9134.

Distribution.

In Peninsular Malaysia, known from Dindings (=Manjung) and Kinta Valley, Perak ( Maassen 2001). Elsewhere, in Sumatra, Indonesia ( van Benthem Jutting 1959).

Remarks.

Shell distinguished from all other discoid cyclophorids by the presence of a deep, tunnel-like sutural canal which begins as a tube-like peristomal folding at the suture part of the aperture.

Figures

Figure 6. A Chamalycaeus oligopleuris (von Moellendorff, 1886) BOR / MOL 11616. Perak, Ipoh, Gunung Pondok B Chamalycaeus parvulus (von Moellendorff, 1886) BOR / MOL 11615. Perak, Ipoh, Gunung Pondok C Crossopoma albersi (Pfeiffer, 1847) BOR / MOL 9134. Perak, Ipoh, Gunung Kanthan Plot 2 D Cyclophorus malayanus (Benson, 1852 a) BOR / MOL 9578. Perak, Ipoh, Batu Kebelah Plot 3 E Cyclophorus perdix perdix (Broderip & Sowerby, 1829) BOR / MOL 8274. Perak, Ipoh, Iron hill summit F Cyclophorus semisulcatus (Sowerby, 1843) BOR / MOL 9577. Perak, Ipoh, Batu Kebelah Plot 3.