Echinodermata - an overview

Echinodermata - an overview echinodermata Echinodermata ' to the members of the Palæontographical Society , I deem it necessary to make a few remarks in order to explain echinodermata Phylum Echinodermata spiny-skinned animals all marine adults have radial symmetry larvae have bilateral symmetry Class Asteroidea

echinodermata Echinodermata · Environment marine, brackish, fresh, terrestrial · Fossil range recent + fossil · Original description Klein, · Descriptive notes

echinodermata Phylum echinodermata is the only animal phylum with 5-point symmetry and includes sea stars, sand dollars, urchins, crinoids, and sea cucumbers  Characteristics of Echinodermata · They have a star-like appearance and are spherical or elongated · They are exclusively marine animals · The organisms are