(in fossil echinoderms of the extinct class Diploporita) an unpaired pore on the surface of the theca; (also) a thecal canal that ends in such a…
| 单词 | θ33376 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > division Pelmatozoa > member of class Cystoidea > pore on surface of theca (1) haplopore1899 (in fossil echinoderms of the extinct class Diploporita) an unpaired pore on the surface of the theca; (also) a thecal canal that ends in such a… |
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