Spirula—a window to the embryonic development of ammonoids? Morphological and molecular indications for a palaeontological hypothesis

@article{Warnke2005SpirulaaWT,
  title={Spirula—a window to the embryonic development of ammonoids? Morphological and molecular indications for a palaeontological hypothesis},
  author={Kerstin Martina Warnke and Helmut Keupp},
  journal={Facies},
  year={2005},
  volume={51},
  pages={60-65}
}
  • K. Warnke, H. Keupp
  • Published 26 May 2005
  • Biology, Geography, Environmental Science
  • Facies
Nautilus is not suitable as a model organism to infer biological functions, embryonic development, or mode of life in ammonoids. A brief review of the available morphological data is given and molecular data are added to discuss the usefulness of Spirula as a biological proxy for ammonoids. Indeed, there are many morphological hints indicating that Spirula could be a useful model organism for approaching the embryonic development of ammonoids. The molecular data seem to support this hypothesis… 

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