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Recurrences of hypotheses about ammonites and Argonauta

Published online by Cambridge University Press:  14 July 2015

Roger A. Hewitt
12 Fairfield Road, Eastwood, Leigh on Sea, Essex SS9 5SB, UK
Gerd E. G. Westermann
McMaster University, Hamilton, Ontario, Canada, L8S 4M4


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Recurrences of hypotheses about ammonites and Argonauta
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