Author: Pessagno, E.A., Jr., 1973.:
Title: Upper Cretaceous Spumellariina from the Great Valley sequence, California.
Description: Bull. Amer. Paleont., 63 (276): pp. 45-102, 77 photos on 13 plates, 2 fold. diagrs., 2 figs., refs., index. Orig. wrappers.

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