Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of numerous species of small, conical fossil shells found in Paleozoic rocks.

from the GNU version of the Collaborative International Dictionary of English

  • n. Any one of numerous species of small, conical fossil shells found in Paleozoic rocks. They are supposed to be pteropods.

from The Century Dictionary and Cyclopedia

  • n. A fossil pteropod of the family Tentaculitidæ.

Etymologies

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Examples

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