单词 | nautilian |
释义 | † nautilianadj. Zoology. Obsolete. rare. Characteristic of a nautilus. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Cephalopoda > [adjective] > belonging to order Tetrabranchiata > relating to the nautili nautilian1883 1883 A. Hyatt in Proc. Boston Soc. Nat. Hist. 22 297 The species of this family have the typical nautilian whorls. 1893 A. Hyatt in Amer. Naturalist 27 868 Many also begin with cyrtoceran shells, while others diverge from the gyroceran, and still other series have only nautilian shells of different grades of close coiling and involution. This entry has been updated (OED Third Edition, June 2003; most recently modified version published online June 2018). < adj.1883 |
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