Biostratigraphic Classification of the Marine Triassic in North America

Biostratigraphic Classification of the Marine Triassic in North America
ISBN-10
0813721105
ISBN-13
9780813721101
Category
Ammonoidea
Pages
63
Language
English
Publisher
Geological Society of America
Authors
Norman John Silberling, Edward T. Tozer

Description

(5) Choristoceras marshi Hauer and C. cf. C. ammonitiforme Giimbel are reported by Muller and Ferguson (1939, pp. 1605-1606, Fig. 3) from their “upper member” of the Gabbs Formation in the Gabbs Valley Range of northwestern Nevada.

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