In this article we will discuss about the structure of Cowries (Cyprea) with the help of a diagram. 1. Commonly known as "cowries" and are found among coral reefs in Indian and pacific oceans. 2. Shell external, shiny, convoluted brightly polished and remains lined internally by mantle so long the animal is alive. 3. Mantle bears numerous sensory papillae or [...]
In this article we will discuss about the structure of Razor Fish (Solen) with the help of a diagram. 1. Its common name is razor shell or razor fish and is found in India and U.S.A. It is a burrowing bivalve. 2. The shell valves are long, of equal size, with parallel straight margins and with terminal umbo. 3. The [...]
In this article we will discuss about the structure of Ship Worm (Teredo) with the help of a diagram. 1. They are commonly known as "ship worm" and are found in deep holes and burrows in submerged wood of ships and boats. 2. The body is worm-like, elongated and without any distinct head. 3. The mantle is tubular, runs all [...]