The correct option is D Turtle
Introduction to class Reptilia
The term Reptilia is derived from the Latin word repere or reptum which means to creep or crawl. They have epidermal scales on their skin which gives them a cornified and rough appearance. Amongst the given options, Turtle is a member of class Reptilia.
Whereas, Toad, Salamander and Newt are the members of class Amphibia.
Final answer
(d) Turtle