It has transverse ridges away from the central axis that may be gonads.

Terminal scale with a transverse ridge and two points.

The inner surface is silver grey and smooth, often with faint transverse ridges.

The skin on the back is smooth and has a number of transverse ridges.

The frontal bones have a transverse ridge at their back.

Terminal scute with a transverse ridge which is less distinct in females.

The teeth are small and have a low, transverse ridge on the crown.

Terminal scute with a transverse ridge, but without points.

It has a terminal scute with a transverse ridge and 2 points.

At the posterior half is a series of faint transverse ridges.