In this article we will discuss about the structure of Opheolepis with the help of a diagram. 1. It is commonly known as "brittle star" and is found in shallow waters. It is usually of green colour. 2. Body comprises of a distinct and some what rounded disc and five narrow, flexible jointed and slender arms radiating from it. 3. [...]
In this article we will discuss about the structure of Spanish Lobsters (Scyllarus) with the help of a diagram. Fig. 231 SCYLLARUS 1. They are commonly called "Square or Spanish lobsters" and are large marine and crawling crustacears. 2. Their body is dorsoventrally flattened with well developed abdomen and greatly reduced rostrum. 3. The thoracic legs are non-chelate and uropod [...]
In this article we will discuss about the structure of Sea Lily (Antedon) with the help of a diagram. 1. Commonly known as "sea feather","feather star or sea lily" and is found in shallow waters attached to rocks or stones. 2. Body comprises a small central disc and 5 branched radial arms. 3. The central disc has a distinct oral [...]