Echinodermata

Echinodermata echinodermata The Phylum Echinodermata is distinguished by characteristics such as spiny-skin, pentaradial symmetry, and an endoskeleton composed of echinodermata Preview The sea star Odontaster validus and sea urchin Sterechinus neumayeri are often found living in association Echinoderms Echinodermata

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

echinodermata Phylum Echinodermata spiny-skinned animals all marine adults have radial symmetry larvae have bilateral symmetry Class Asteroidea Echinodermata is a phylum of about 7000 living species distributed among five classes: Echinoidea , Holothuroidea (sea