Gyliotrachela luctans van Benthem Jutting, 1950

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 : 4

Gyliotrachela luctans van Benthem Jutting, 1950 Figure 30C

Materials examined.

Prk 36 Gua Datok: BOR/ MOL 10064 .

Distribution.

Known from Gunung Pondok ( van Benthem Jutting 1950) and Gua Datok, Perak only.

Remarks.

Spire tall but fewer than Gyliotrachela hungerfordiana . Penultimate whorl very expanded and periphery keeled, giving a depressed shell shape. Ultimate whorl trumpet-shaped, with aperture face at 45 degrees of the plane perpendicular to the coiling axis. Apertural teeth arrangement unique.

Figures

Figure 30. A Videna castra (Benson, 1852 b) BOR / MOL 11135. Perak, Ipoh, Gunung Tempurung Plot 1 B Gyliotrachela hungerfordiana (von Moellendorff, 1886) BOR / MOL 9133. Perak, Ipoh, Gunung Kanthan C Gyliotrachela luctans van Benthem Jutting, 1950 BOR / MOL 10064. Perak, Ipoh, Gunung Datok D Paraboysidia oreia van Benthem Jutting, 1961 BOR / MOL 10504. Perak, Ipoh, Gunung