Author: Waller, T.R., 1969.:
Title: The evolution of the Argopecten gibbus Stock (Mollusca: Bivalvia) with emphasis on the Tertiary and Quaternary species of Eastern North America.
Description: [Jour. Paleont., 43(5), Suppl. / Paleont. Soc. Mem., 3.] Tulsa, Okl. 8vo. Pp. vi,125, 4 fold. diagrs. in pocket, many photos on 8 pls., 5 figs., tabs., refs. Orig. wrs.

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