ophiuridn.adj.
/ɒfɪˈjʊərɪd/, /ɒfˈjɔːrɪd/, U.S. /ˌɑfiˈjʊrɪd/, /ˌoʊfiˈjʊrɪd/ Zoology.
A. n.
An echinoderm of the group comprising the brittlestars, now regarded as the class Ophiuroidea; = ophiuroid n. and adj.
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
1869 Amer. Naturalist 2 606 He has discovered in all one Pennatulid, one Ophiurid, five Worms.., five Bivalves, five Crustacea, and two Fishes.
1877 T. H. Huxley Man. Anat. Invertebrated Animals ix. 566 The mouth of the Echinopaedium becomes that of the Ophiurid.
1903 Philos. Trans. (Royal Soc.) B. 195 286 The name [pluteus] was..first bestowed on the larva of an ophiurid.
1951 Philos. Trans. (Royal Soc.) B. 235 88 He found an asteroid stage during the development of the ophiurid.
1998 Cybium 22 21 From stomach contents analysis we conclude that the main prey for both species [of fish] were amphipods, polychaetes and ophiurids.
B. adj.
Of or relating to the family Ophiuridae or the class Ophiuroidea; of an ophiurid.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [adjective] > belonging to class Ophiuroidea
spinigrade1841
ophiuroid1877
ophiuran1882
ophiurid1882
1882 Cassell's Nat. Hist. VI. 269 (caption) A cross-section of an ophiurid arm.
1918 Proc. Royal Soc. B. 90 324 Johaannes Müller figured, without describing it, an Ophiurid larva, with a five-lobed hydrocœle on both sides of the œsophagus.
1994 Lethaia 27 242/2 Similar impressions can be produced by other organisms, for instance by asteroid and ophiurid echinoderms.
This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).
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n.adj.1869