Descriptor : tail with median double-keel

Tail can present a specific relief on its dorsal and median part. It is formed by two rows of strongly keeled scales.
This relief is present when the tail is laterally compressed.

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List of states

presence

Tail (partly or totally) with a median relief on the dorsal side, formed by two rows of strongly keeled scales.

absence

The scales of the dorsal part of tail are homogenous in size and form; there is no specific relief in the median part of tail.


Belongs to the group