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worm tube

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Definition of worm tube in English:

noun

The calcareous or sandy tube of some sedentary marine worms, such as fan worms.
Example sentences
  • Ammonoids, gastropods, and serpulid worm tubes are also recorded.
  • A few mineralized animal fossils, including sponge spicules and probable worm tubes, are known from the Vendian period immediately preceding the Cambrian.
  • Thin sections were made of the carbonates containing worm tubes.

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