In this article we will discuss about the structure of Chiton with the help of a diagram. 1. It is a marine animal of cosmopolitan distribution. 2. It is found attached to stones and rocks (coral reefs) between tide marks. 3. Body is elliptical and is convex on dorsal and flat on ventral surface. Shell is present on dorsal side [...]
In this article we will discuss about the structure of Garden Slug (Vaginula) with the help of a diagram. 1. It is commonly called garden slug and is found in lawns and gardens hidden under fallen leaves and in damp dark areas. 2. The body is elongated, dorsal surface is convex and ventral flat. 3. Shell in adult and body [...]
In this article we will discuss about the structure of Dentallium with the help of a diagram. 1. It is commonly called "Tusk shell" and is a marine mollusc found buried in sand of deep seas. 2. Bilaterally symmetrical body is enclosed in a cylindrical curved, ridged and conical shell, which is open at both ends. 3. Foot is small [...]