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单词 neocrinoid
释义

> as lemmas

neocrinoid
neocrinoid n. Zoology Obsolete a crinoid dating from after the Palaeozoic era.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > division Pelmatozoa > class Crinoidea > of later than Palaeozoic date
neocrinoid1882
1882 Proc. Zool. Soc. 734 The presence of three radials is such an absolutely constant character in all the five-rayed Neocrinoids.
1889 Philos. Trans. 1888 (Royal Soc.) B. 179 289 They then state that..the Neocrinoids are ‘built upon the plan of the dicyclic Crinoids’.., although hitherto they have been regarded as monocyclic.
extracted from neo-comb. form
<
as lemmas
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