echinoderm
Alternative names: Echinodermata
1
Dive
1
Site
1
Picture
An echinoderm is any member of the phylum Echinodermata, and can be any of the following: starfish, sea urchins, sand dollars, sea cucumbers, sea lilies. The phylum contains about 7000 living species.
Echinoderms are found globally at almost all depths and reach the highest diversity on reefs.