Literature References

Authors	Year	Title
R. Cowen, Gertman, R., Wiggett, G.	1972	Camouflage patterns in Nautilus, and their implications for cephalopod paleobiology
M. Vecchione, Young, R. E., Rodhouse, P. G.	1999	Reevaluation of coleoid cephalopod relationships based on modified arms in the Jurassic coleoid Mastigophore
N. Morton, Nixon M.	1986	Size and function of ammonite aptychi in comparison with buccal masses of modern cephalopods

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