Phylum
Echinodermata
Echinoderms
80 species in this taxon
phylum of animals Echinoderms (Echinodermata) is a phylum containing organisms that share fundamental body plan characteristics. It contains 5 classs with 80 known species. This includes the class groups Sea Stars, Crinoidea, Echinoidea, Holothuroidea, and Ophiuroidea. Among its members, 12 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Animals (Animalia).