serpenticonic

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English

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an ammonite (Echioceras raricostatum) with a serpenticonic fossil shell

Etymology

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serpent +‎ -i- +‎ conic

Adjective

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serpenticonic

  1. (malacology, of a shell or fossil) Having numerous linked coils, in a spiral that is larger as it grows further from the center.
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See also

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