The lesser reptopod is a creature native to skiel, it is called a forma by the native suracke. The reptopods closest analogue off of skiel would be an amphibion. But are in fact more related to shelled cephalopod, cephalopods took an eolutionary path on skiel that made them more similiar to reptile and amphibions.
The lesser reptopod looks considerably like a marine iguana from old earth, save for the carapace that covers most of its body, and its ability to change color.
The lesser reptopod is a distant relative of the suracke