Class
Asteroidea
estrela-do-mar
20 species in this taxon
class of echinoderms, marine animal Sea Stars (Asteroidea) is a class of organisms united by key anatomical and physiological traits. It contains 5 orders with 20 known species. This includes the order groups Forcipulatida, Paxillosida, Spinulosida, Valvatida, and Velatida. Among its members, 3 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Echinoderms (Echinodermata).
