a spiral or turbinate fossil shell.
| 单词 | θ32790 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > [noun] > Testacea (shelled molluscs) > shelled mollusc > shell > fossil (4) whirly-rock1681 a spiral or turbinate fossil shell. cochlite1698 A fossil spiral shell. tubulite1799 A fossil or petrifaction of a tube or tubular shell occupied by an animal. seraph1822 Geology. A fossil shell. Cf. seraphim, n. 4. |
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