Literature References

Authors	Year	Title
M. R. Clarke, Fitch J. E.	1975	First fossil records of cephalopod statoliths
M. R. Clarke, Fitch J. E.	1975	First fossil records of cephalopod statoliths.
M. R. Clarke, Fitch J. E.	1979	Statoliths of Cenozoic teuthoid cephalopods from North America
M. R. Clarke, Fitch J. E.	1979	Statoliths of Cenozoic teuthoid cephalopods from North America.
M. R. Clarke, Fitch, J. E., Kristensen, T., Kubodera, T., Maddock, L.	1980	Statoliths of one fossil and four living squids (Gonatidae: Cephalopoda)

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