Liardetia perakensis (Godwin Austen, 1882)
Godwin-Austen (1882) original descriptions on Kaliella perakensis – “Shell pyramidal, very narrowly umbilicated, keeled: sculpture fine, somewhat irregularly disposed, transverse costulation on the basal side, fine, close, regular, spiral or longitudinal ribbing; colour whitish grey: spire conoid, sides moderately convex, apex subacute; suture impressed; whorls 6, sides moderately convex; aperture semilunate; peristome rather thickened, strong, perpendicular or angulate below at the columellar margin.”
Möllendorff (1902) notes on Kaliella perakensis from Kelantan – “Etwas grösser, sonst nicht verschieden.”
Kaliella perakensis – “Size: major diam. 0.15 inch (3.8 mm), alt. axis 0.12 inch (3.1 mm).” (Godwin-Austen, 1882)
Type locality – “Perak” leg. E. Townsend (Godwin-Austen, 1882)
Other locality - “Kelantan” (Möllendorff, 1902)