Author: Leanza, H.A., 1980.:
Title: The Lower and Middle Tithonian ammonite fauna from Cerro Lotena, Province of Neuquen, Argentina.
Description: Zitteliana, 5: pp. 3-49, several photos on 9 plates, 10 figs., refs. Journal issue wrappers. One corner a bit bumped, good otherwise.

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