Tentaculite
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| Tentaculites Fossil range: Devonian |
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 Tentaculites specimen
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Tentaculites are fossils from the Devonian period, ranging from 360-410 million years ago. They have no official taxonomic classification, but some group them with pteropods. Tentaculites are just under the size of a nickel, with ribbed, cone-shaped shells. Tentaculites range in size from 5 to 20 mm.
[edit] Further reading
- Treatise on Invertebrate Paleontology, Part W - Miscellanea. Geological Society of America and University of Kansas Press, 1962. LCCN 53012913
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