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The class Asteroidea belongs to the phylum Echinodermata. As well as the starfish, the echinoderms include sea urchins , sand dollars , brittle and basket stars , sea cucumbers and crinoids . The larvae of echinoderms have bilateral symmetry, but during metamorphosis this is replaced with radial symmetry , typically pentameric . [ 12 ]
Class: Asteroidea: Order: Valvatida: Family: Oreasteridae Fisher, 1911 [1] Genera See text The Oreasteridae are a family of sea stars in the class Asteroidea.
Asteroideae is a subfamily of the plant family Asteraceae.It contains about 70% of the species of the family. [2] It consists of several tribes, including Astereae, Calenduleae, Eupatorieae, Gnaphalieae, Heliantheae, Senecioneae and Tageteae.
The Asterozoa are a subphylum in the phylum Echinodermata, within the Eleutherozoa.Characteristics include a star-shaped body and radially divergent axes of symmetry. The subphylum includes the classes Asteroidea (the starfish or sea stars), Ophiuroidea (the brittle stars and basket stars), Somasteroidea (early asterozoans from which the other classes most likely evolved), and Stenuroidea ...
Asteroidea stubs (1 C, 224 P) Pages in category "Asteroidea" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. ...
The Valvatida are an order of starfish in the class Asteroidea, which contains 695 species in 172 genera in 17 families. [1] Description
Castilla, Juan Carlos, Sergio A. Navarrete, Tatiana Manzur, and Mario Barahona. 2013. Heliaster helianthus. Chapter 15, pp. 153–160 in John M. Lawrence, ed. 2013. Starfish. Biology and Ecology of the Asteroidea. Johns Hopkins University Press, Baltimore. Gray J.E. (1840). A synopsis of the genera and species of the class Hypostoma (Asterias ...
The Asteriidae are a diverse family of Asteroidea (sea stars) in the order Forcipulatida. It is one of three families in the order Forcipulatida. The oldest unambiguous fossils of the family date to the Late Cretaceous. [2]