| 单词 | frog shell |
| 释义 | > as lemmasfrog shell frog shell n. any of various large marine gastropod molluscs allied to the tritons and having a heavily built knobbly shell, now mostly placed in the family Bursidae; (also) the shell of such a mollusc. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Gastropoda > [noun] > superorder Branchifera > order Prosobranchiata > section Siphonostomata > family Muricidae > species of genus Ranella frog shell1851 1815 E. J. Burrow Elements Conchol. 202 [Genus] Murex. Caltrop or Rock Shell... [Species] Rana. Thorny Frog.] 1851 S. P. Woodward Man. Mollusca i. 107 Ranella, Lam. Frog-shell. 1904 Proc. Acad. Nat. Sci. Philadelphia 56 592 In a paper on the Tritons and Frog-shells just issued, Prof. W. H. Dall adopts but does not define a family Colubrariidæ. 1999 Ecol. Monogr. 69 478/2 Other southern species (e.g., the frog shell Bursa californica) have been observed recently in Monterey waters. < as lemmas |
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