Author: PESSAGNO, E.A. ET AL.
Title: Studies of North American Jurassic Radiolaria. Part I. Upper Jurassic (Kimmeridgian-upper Tithonian) Pantanelliidae from the Taman Formation, east-central Mexico: tectonostratigraphic, chronostratigraphic, and phylogenetic implications; Part II. Preliminary radiolarian zonation for the Jurassic of North America.
Description: 1987. Cushman Found. Foram. Res. Spec. Publ. no. 23; 51+18 pp. 10 fig. plus 7 figs. fold. in back pocket, 7 plts. with microfossils. Orig. wrps. very good, 4to.

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