Article · Journal · 1991

Chamber growth in ammonites inferred from colour markings and naturally etched surfaces of Cretaceous vascoceratids from Nigeria

Roger A. Hewitt, Antonio Checa, Gerd E. G. Westermann, Peter M. Zaborski

Lethaia

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Go to the publisher10.1111/j.1502-3931.1991.tb01478.x