单词 | scaphopod |
释义 | scaphopodn. Zoology. (See quot. 19351); = tusk-shell n. at tusk n.1 Compounds 2. Also attributive. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Scaphopoda > [noun] > member of scaphopod1913 1913 B. B. Woodward Life of Mollusca iii. 47 A true Scaphopod (Dentalium) and representatives of the more primitive Ammonoidea..likewise came into existence in the Devonian epoch. 1935 W. H. Twenhofel & R. R. Shrock Invertebr. Paleontol. ix. 360 Scaphopods are small, marine, bilaterally symmetrical mollusks with an external, curved and tapering tubular shell open at each end. 1935 W. H. Twenhofel & R. R. Shrock Invertebr. Paleontol. ix. 362 The scaphopod shell is composed of aragonite. 1975 Nature 11 Dec. 555/3 Molluscs, primarily bivalves but also scaphopods and various gastropods,..progress through soft substrates. This entry has not yet been fully updated (first published 1982; most recently modified version published online September 2018). < n.1913 |
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