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| 单词 | blastid |
| 释义 | blastidn. Palaeontology. (See quot.) ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > division Pelmatozoa > member of class Blastoidea blastid1877 blastoid1882 1877 J. Le Conte Elements Geol. (1879) 299 Stemmed Echinoderms, or Crinoids may be divided into three families, viz.: 1. Crinids; 2. Cystids; 3. Blastids. 1877 J. Le Conte Elements Geol. (1879) 301 Blastids..had a bud-shaped body, with five petalloid spaces..radiating from the top, and reaching half way down the body. This entry has not yet been fully updated (first published 1887; most recently modified version published online September 2019). < |
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