Author: MacNeil, F.S., 1938.:
Title: Species and genera of Tertiary Noetinae [Moll.]. [U.. Geol. Surv. Prof. Pap., 189-A.]
Description: Washington. 4to. Pp. [ii],49, 114 photos on 6 pls., 2 figs., index. Orig. wrs.

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