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 [...]
In this article we will discuss about the structure of Brittle Star (Opheolepis) with the help of a diagram. 1. It is commonly known as "brittle star" and is found in shallow sea-waters. It is usually green in colour. 2. Body comprises of a distinct pentagonal disc and 5 narrow flexible jointed and slender arms radiating from it. 3. Animal [...]
In this article we will discuss about the structure of Ophiothrix with the help of a diagram. 1. They are commonly known as brittle stars, are found in shallow waters and are usually of a 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. [...]