The palaeobiology of belemnites – foundation for the interpretation of rostrum geochemistry

  title={The palaeobiology of belemnites – foundation for the interpretation of rostrum geochemistry},
  author={Ren{\'e} Hoffmann and Kevin Stevens},
  journal={Biological Reviews},
Belemnites are an extinct group of Mesozoic coleoid cephalopods with a fossil record ranging from the early Late Triassic [about 240 million years ago (Mya)] to the Cretaceous/Palaeogene boundary (65 Mya). Belemnites were widely distributed, highly abundant and diverse, and an important component of Mesozoic marine food webs. Their internal shells, specifically their low‐Mg calcite rostra, have been used as palaeoenvironmental carbonate archives for the last 70 years. This is primarily due to… 
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