Classification of Phylum Echinodermata | Zoology
In this article we will discuss about the classification of phylum echinodermata. Classification of Phylum Echinodermata: 1. The echinoderms are non-colonial, coelomate, marine animals, the larval bilateral symmetry of which is replaced by radial symmetry in the adult. 2. The surface is covered with an exoskeleton of calcareous plates or ossicles, which usually support a system of movable or immovable [...]