Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs, commonly referred to as ammonites, are more closely related to living ...
This shows Kenneth De Baets with a fully grown manticoceras (Late Devonian Period, Morocco): One of the largest ammonites of the Devonian Period. Disclaimer: AAAS and EurekAlert! are not responsible ...
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