spinigradeadj.n.
/ˈspʌɪnɪɡreɪd/ A. adj.
Of or belonging to the Spinigrada, a class of echinoderms which move by means of spines or spinous processes.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [adjective] > belonging to class Ophiuroidea
spinigrade1841
ophiuroid1877
ophiuran1882
ophiurid1882
1841 E. Forbes Hist. Brit. Starfishes 19 Ophiuridæ, or Spinigrade Echinodermata.
1841 E. Forbes Hist. Brit. Starfishes 19 They are Spinigrade animals,..their progression being effected..by means of five long flexible-jointed processes..furnished with spines.
B. n.
An echinoderm of this class.
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
1864 Intellectual Observer IV. 251 The Star-fishes are divided according to their mode of locomotion into Spinigrades, moving by means of spines—Cirrhigrades, by suckers—and Pinigrades, by fins.
This entry has not yet been fully updated (first published 1914; most recently modified version published online September 2021).
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adj.n.1841