Valvatida

The Valvatida are an order of starfish in the class Asteroidea, which contains 695 species in 172 genera in 17 families.

The Ophidiasteridae (Greek ophidia, Οφιδια, "of snakes", diminutive form) are a family of sea stars with about 30 genera. Occurring both in the Indo-Pacific and Atlantic Oceans, ophidiasterids are greatest in diversity in the Indo-Pacific. Many of the genera in this family exhibit brilliant colors and patterns, which sometimes can be attributed to aposematism and crypsis to protect themselves from predators. Some ophidiasterids possess remarkable powers of regeneration, enabling them to either reproduce asexually or to survive serious damage made by predators or forces of nature (an example fo

Podosphaeraster is a genus of echinoderms belonging to the monotypic family Podosphaerasteridae.

Ganeriidae is a family of echinoderms belonging to the order Valvatida.

Leilasteridae is a family of echinoderms belonging to the order Valvatida.

Asterodiscididae is a family of starfish. Members of the family have five short tapering arms and a wide disc. The family was first described by the Australian zoologist F.W.E. Rowe in 1977.

species of echinoderm

Asterodiscides is a genus of starfish. Members of the genus have five short tapering arms and a wide disc. The genus was first described by the British zoologist Ailsa McGown Clark in 1974.

Chaetasteridae is a family of echinoderms belonging to the order Valvatida.

species of echinoderm

REDIRECT Podosphaeraster