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Starfish or sea
stars are star-shaped
echinoderms belonging to the
class Asteroidea (/ˌæstəˈrɔɪdiə/).
Common usage frequently finds these names being also...
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radially divergent axes of symmetry. The
subphylum includes the
class Asteroidea (the starfish), the
class Ophiuroidea (the
brittle stars and
basket stars)...
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included as a
class in F. A. Bather's
echinoderm taxonomy,
which grouped Asteroidea and
Ophiuroidea within it as
subclasses due to
their Paleozoic history...
- depths. Five
extant classes of
echinoderms are
generally recognized: the
Asteroidea (starfish, with some 1,745 species),
Ophiuroidea (brittle stars, with...
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Asteroid (horse), a
racehorse Starfish,
echinoderms in the
class Asteroidea Asteroidea, the
class of sea
stars Asteroideae, the
subfamily of flowering...
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evidence grouping Ophiuroidea with Echinozoa. This clade, as
sister to the
Asteroidea, was
given the name Cryptosyringida,
constructed from the Gr**** "kryptos"...
- 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...
- New
Genus and Species, with
Notes on the
Zoroasteridae (Echinodermata;
Asteroidea).
Smithsonian contributions to
Zoology 64: 1–18. SI-repository 1970 -...
- (2009). New
asterinid species from
Africa and
Australia (Echinodermata:
Asteroidea: Asterinidae).
Memoirs of the
Museum of Victoria, 66, 203–213. Gray, J...
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which represents all post-Paleozoic
asteroids within the
class Asteroidea.
class Asteroidea,
Infraclass Concentricycloidea,
Order Peripoda (or Peripodida)...
