It is named in honor of Theodore Roosevelt Jr., who was the governor of Puerto Rico at that time.

[4] This new classification system is controversial and many have preferred to maintain all anoles in genus Anolis.

The color of the body is brown-grey, while the tail has a yellow-brown hue and the abdomen is whitish.

A further feature are two long drawn-out lines on both sides of the body; one starts at the ear, the other at the shoulder.

Due to human activities the habitat was almost destroyed; only a few specimens of the Culebra Giant Anole can be seen in museums.