Phylum Echinodermata Biology for Majors II

echinodermata  The meaning of ECHINODERMATA is a phylum of radially symmetrical coelomate marine animals consisting of the starfishes, sea urchins, and related forms  Echinodermata , class: Ophiuroidea Like the asteroids, ophiuroids have five long arms, and they can grow up to 60cm

Characteristic Features of Phylum Echinodermata · These are exclusively marine animals · The larval forms show bilateral symmetry and adult forms show radial Echinodermata · Environment marine, brackish, fresh, terrestrial · Fossil range recent + fossil · Original description Klein, · Descriptive notes

are absent 4 STRONGYLOCENTROTUS Phylum Echinodermata Subphylum Eleutherozoa Class Echinoidea Subclass Regularia Order 28 Biology of Echinodermata  Phylum echinodermata is the only animal phylum with 5-point symmetry and includes sea stars, sand dollars, urchins, crinoids, and sea cucumbers