fossil

  1. Morphology of Fossil Cephalopod Shells

    Morphology of Fossil Cephalopod Shells

    Covering Terminology used in the Description of Externally Shelled Cephalopods (Nautiloids and Ammonoids) By Kevin Bylund Note: Kevin welcomes discussion on this article in the Cephalopod Fossils forum. The structure secreted by the mantle of cephalopods for protection or neutral buoyancy is...


Top