Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea (/ˌæstəˈrɔɪdiə/). Common usage frequently finds these names being also...

radially divergent axes of symmetry. The subphylum includes the class Asteroidea (the starfish), the class Ophiuroidea (the brittle stars and basket stars)...

Historically, taxonomists believed that the Ophiuroidea were sister to the Asteroidea as the clade Asterozoa, or that they were sister to the (Holothuroidea...

Stelleroidea is a superclass of marine echinoderms including three classes: Asteroidea: true sea stars Ophiuroidea: brittle stars and basket stars Somasteroidea...

parasites) Eucycliophora Dicyemida Crinoidea (sea lilies and feather stars) Asteroidea (star fish) Ophiuroidea (brittle stars) Echinoidea (sea urchins) Holothuroidea...

the Indo-Pacific horned sea star, Protoreaster nodosus (Echinodermata; Asteroidea)". Marine Biology. 156: 55–63. doi:10.1007/s00227-008-1064-2. hdl:2066/72067...

The Solnhofen Limestone or Solnhofen Plattenkalk is a collective term for multiple Late Jurassic lithographic limestones in southeastern Germany, which...

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

Mortensen, in Echinoderms of South Africa (Asteroidea and Ophiuroidea), 1933. Mah, C.L. (2018). World Asteroidea Database. Callopatiria formosa (Mortensen...

New Genus and Species, with Notes on the Zoroasteridae (Echinodermata; Asteroidea). Smithsonian contributions to Zoology 64: 1–18. SI-repository 1970 -...