The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- C. Teichert and B. Kummel. 1964. Cephalopoda - general features - Endoceratoidea - Actinoceratoidea - Nautiloidea - Bactritoidea. Treatise on Invertebrate Paleontology K(3):1-519
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