| 单词 | watering-pot shell |
| 释义 | > as lemmaswatering-pot shell 2. Also watering-pot shell. Any of several burrowing marine bivalve molluscs constituting the family Clavagellidae, which live inside an unusual ‘shell’ secreted by the mollusc and consisting of a calcareous tube encrusted with sand grains, terminating in an expanded perforated plate. Also: the calcareous tube itself.Some genera are sometimes placed in a separate family Penicillidae. 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 1776 E. M. da Costa Elements Conchol. 150 The Watering-pot..from the East Indies, is the chief kind, and, when perfect is much valued. 1865 J. G. Wood Homes without Hands v. 106 The Watering-pot Shell (Aspergillum) is well known to conchologists. 1885 Riverside Nat. Hist. (1888) I. 283 The most noticeable species is the ‘watering pot’ Aspergillum vaginiferum... This species comes from the Red Sea. 1958 J. E. Morton Molluscs x. 195 A strange offshoot is seen in the family Clavagellidae, the watering-pot shells, surely the least recognizable of all bivalves. 2008 R. C. Willan in P. Hutchings et al. Great Barrier Reef xxiv. 278 The watering pots..are the most bizarre and aberrant of all bivalves. < as lemmas |
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