A segment or joint of the stem of a crinoid.
| 单词 | θ33387 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > division Pelmatozoa > class Crinoidea > member of > parts of > segment of stem (1) columnal1892 A segment or joint of the stem of a crinoid. |
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