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Ammonite fossil

Fossil ammonite from the Mesozoic era.

Fossil ammonite from the Mesozoic era. Ammonites, which became extinct at the end of the Cretaceous period, are one of the fossil groups geologists use to help date rocks.

Glossary

Rights: The University of Waikato Te Whare Wānanga o Waikato
Published: 11 May 2011Size: 337.11 KB
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