echinodermata

echinodermata   Dan echinodermata

The Echinodermata are the most closely related invertebrates to humans The word echinoderm means “spiny skin” and it is an apt description for

An echinoderm is any deuterostomal animal of the phylum Echinodermata which includes starfish, brittle stars, sea urchins, sand dollars and sea cucumbers, Echinodermata , phylum of exclusively marine invertebrate animals The 6000 known species occur from shores to greatest depths

nemo 168 Echinodermata · Subphylum Asterozoa · Subphylum Crinozoa · Subphylum Echinozoa Environment marine, brackish, fresh, terrestrial  The phylum Echinodermata includes animals that have an internal skeleton and a water-based pressure system for locomotion Members of this phylum include