Author: Flower, R.H., 1961.:
Title: The phragmocone of Edyceras.
Description: [Mem. State Bur. Mining & Miner. Res. Nwe Mexico, 9.] Socorro, N.M. 4to. Pp. iv,29, 39 photos on 4 pls., 5 figs., refs., index. Orig. wrs.

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