Pravitoceras is an extinct genus of ammonites. They were fast-moving nektonic carnivores that existed from 84.9 to 70.6 million years ago in Japan.[1]

References

  1. ^ "Fossilworks: Pravitoceras". fossilworks.org. Retrieved 17 December 2021.


Allikas: https://en.wikipedia.org/wiki/Pravitoceras
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