brittlestarn.

Brit.

/ˈbrɪtlstɑː/, U.S.

/ˈbrɪdlˌstɑr/

Origin: Formed within English, by compounding. Etymons: brittle adj., star n.¹

Etymology: < brittle adj. + star n.¹

A marine echinoderm of the class Ophiuroidea, somewhat resembling a starfish but having long, thin, brittle arms that radiate from a flattened central disc; an ophiuroid.In quot. 1841: spec. one of the genus Ophiocoma.Unlike starfishes, brittlestars move by using their arms rather than their tube feet (podia).

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Ophiuroidea > member of

Ophiura1837

brittlestar1841

sand-star1841

serpent-star1851

ophiuran1864

spinigrade1864

ophiurid1869

ophiuroid1870

ophiure1890

1841 E. Forbes Hist. Brit. Starfishes 31 The Brittle-stars are much more active animals than the Ophiuræ.

1896 J. W. Kirkaldy & E. C. Pollard tr. J. E. V. Boas Text Bk. Zool. 130 The Asteroidea are divisible into two fairly dissimilar orders, the Starfish, and the Brittle-stars.

a1933 J. A. Thomson Biol. for Everyman (1934) I. x. 169 Brittle-stars, Sand-stars, or Ophiuroids... In most cases the tube-feet are too small to be used in locomotion, but they may help in breathing.

1961 J. Stubblefield Davies's Introd. Palaeontol. (ed. 3) viii. 211 In the Stelleroidea there are three orders: Asteroidea, ordinary starfish, in which there is no separation of arms and body, and Ophiuroidea (brittlestars), in which they are sharply distinguished.

2002 National Geographic Sept. Geographica, Nature At least one brittle star species, Ophiocoma wendtii, is covered with 50,000 to 100,000 tiny lenses that gather light like eyes.

This entry has been updated (OED Third Edition, December 2008; most recently modified version published online June 2022).

单词	brittlestar
释义	brittlestarn. Brit. /ˈbrɪtlstɑː/, U.S. /ˈbrɪdlˌstɑr/ Origin: Formed within English, by compounding. Etymons: brittle adj., star n.¹ Etymology: < brittle adj. + star n.¹ A marine echinoderm of the class Ophiuroidea, somewhat resembling a starfish but having long, thin, brittle arms that radiate from a flattened central disc; an ophiuroid.In quot. 1841: spec. one of the genus Ophiocoma.Unlike starfishes, brittlestars move by using their arms rather than their tube feet (podia). ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Ophiuroidea > member of Ophiura1837 brittlestar1841 sand-star1841 serpent-star1851 ophiuran1864 spinigrade1864 ophiurid1869 ophiuroid1870 ophiure1890 1841 E. Forbes Hist. Brit. Starfishes 31 The Brittle-stars are much more active animals than the Ophiuræ. 1896 J. W. Kirkaldy & E. C. Pollard tr. J. E. V. Boas Text Bk. Zool. 130 The Asteroidea are divisible into two fairly dissimilar orders, the Starfish, and the Brittle-stars. a1933 J. A. Thomson Biol. for Everyman (1934) I. x. 169 Brittle-stars, Sand-stars, or Ophiuroids... In most cases the tube-feet are too small to be used in locomotion, but they may help in breathing. 1961 J. Stubblefield Davies's Introd. Palaeontol. (ed. 3) viii. 211 In the Stelleroidea there are three orders: Asteroidea, ordinary starfish, in which there is no separation of arms and body, and Ophiuroidea (brittlestars), in which they are sharply distinguished. 2002 National Geographic Sept. Geographica, Nature At least one brittle star species, Ophiocoma wendtii, is covered with 50,000 to 100,000 tiny lenses that gather light like eyes. This entry has been updated (OED Third Edition, December 2008; most recently modified version published online June 2022). < n.1841
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