echinodermata

echinodermata   Dan echinodermata

Echinodermata The name Echinodermata is derived from the Greek word for spiny skin, although not all of the approximately 6000 species have

Echinodermata , phylum of exclusively marine invertebrate animals The 6000 known species occur from shores to greatest depths Echinodermata ) from the Champlainian Guttenberg Forma- tion of the Upper Mississippi Valley Region J Paleontol 5 : 631-653

ตั่วเหล่าเอี๊ย The phylum Echinodermata includes animals that have an internal skeleton and a water-based pressure system for locomotion Members of this phylum include An echinoderm is any deuterostomal animal of the phylum Echinodermata which includes starfish, brittle stars, sea urchins, sand dollars and sea cucumbers,