| 单词 | wheel-stone |
| 释义 | > as lemmaswheel-stone wheel-stone n. a fossil consisting of a detached joint of the stem of an encrinite, and having the form of a circular disk with a central perforation; an entrochite. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > division Pelmatozoa > class Crinoidea > fossil or encrinite > wheel-like joint or entrochite entrochus1661 trochite1676 entrochite1681 stelechite1681 stelentrochite1681 wheel-stone1846 1846 R. Patterson Introd. Zool. 46 The detached vertebræ are well described by the common English name of ‘wheel-stones’. < as lemmas |
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