Echinodermata Definition & Meaning Merriam-Webster Medical

echinodermata  Characteristics of Echinodermata · They have a star-like appearance and are spherical or elongated · They are exclusively marine animals · The organisms are Echinodermata is a phylum of about 7000 living species distributed among five classes: Echinoidea , Holothuroidea (sea

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

Echinodermata , class: Ophiuroidea Like the asteroids, ophiuroids have five long arms, and they can grow up to 60cm  Learn about the phylum Echinodermata Discover the characteristics of Echinodermata