| 单词 | tooth-shell | 
| 释义 | tooth-shelln. 1.  The long tubular shell, in shape like a tooth or tusk, of any gastropod mollusc of Dentalium or other allied genus; also the mollusc itself. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Scaphopoda > 			[noun]		 > member of genus Dentalium hake's tooth1584 antal1657 dental1678 tooth-shell?1711 tusk-shell1825 dentalium1864 tusk1916 ?1711    J. Petiver Gazophylacii VII.–VIII. Table 65  				Small English Tooth-shell... It's smooth, white, and somewhat crooked with purplish Tips. 1777    T. Pennant Brit. Zool. 		(ed. 4, quarto)	 IV.  vi. 145  				Dentalium. Tooth-Shell. 1850    A. Pratt Chapters Common Things Sea-side v. 314  				The old shell of the mollusk, commonly called Tooth-shell (Dentalium entalis),..so common on our coasts, shaped like a small horn. 1879    E. P. Wright Animal Life 548  				The Tooth-shells are animal feeders, devouring foraminifera and minute bivalves.  2.   false tooth-shell, the similar shell (or animal) of the molluscous genus  Cæca, or the family  Cæcidæ. Categories »  3.  ‘In Australia, the shell of  Marinula pellucida, a small marine mollusc used for necklaces’ (Morris  Austral Eng.). This entry has not yet been fully updated (first published 1913; most recently modified version published online June 2019). < | 
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