| 单词 | rock borer |
| 释义 | > as lemmasrock borer rock borer n. any of various burrowing bivalve molluscs, esp. of the genera Pholas, Petricola, Lithophaga, etc., which bore into rock and other hard materials. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Pelecypoda or Conchifera > [noun] > section Siphonida > sinu-pallialia > family Gastrochaenidae watering-pot shell1776 water-pot shell?a1813 saxicave1826 rock borer1835 tube-shell1861 flask-shell1868 tubivalve1882 1835 W. Kirby On Power of God in Creation of Animals I. viii. 245 The vast stones with which they are built might become the habitation of pholads, and other rock-borers. 1928 F. S. Russell & C. M. Yonge Seas vi. 148 The largest and most efficient rock borers are bivalve Molluscs. 1958 J. E. Morton Molluscs iii. 53 In the true rock-borers or piddocks (Pholadidae)..the mantle is closed save for a small pedal aperture in front. 1993 E. N. K. Clarkson Invertebr. Palaeontol. & Evol. (ed. 3) viii. 201/1 Septibranch gills..are confined to a single superfamily of rock borers, the Poromyacea (Subclass Anomalodesmata). < as lemmas |
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