In this article we will discuss about the structure of Tubipora with the help of a diagram. 1. It is the dried skeleton of "Organ Dice coral" which is found off the coral reefs almost in all seas. 2. The colony is of red colour and is comprised of large numbers of vertical CaCO3 tubes of different sizes. 3. The [...]
In this article we will discuss about the structure of Valella with the help of a diagram. 1. It is a small pelagic and marine colony in the tropical seas. 2. It is discoidal in shape and is of bright blue colour. 3. The disc is generally oval and flat, but may also be some-what rhomboidal in some cases. 4. [...]
In this article we will discuss about the structure of Porpita with the help of a diagram. 1. It is a marine and polymorphic colony found in abundance around southern Atlantic coasts. 2. It is discoidal in shape and thus resembles a medusa. 3. A distinct and independent float is absent, but the disc is chitinous, multi-chambered and encloses [...]