The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

  • A. A. Shevyrev. 2006. The cephalopod macrosystem: A historical review, the present state of knowledge, and unsolved problems: 3. Classification of Bactritoidea and Ammonoidea. Paleontological Journal 40(2):150-161

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