. The ore deposits of Utah. 12 CHARACTERISTIC FOSSILS OF UPPER MISSISSIPPIAN AGE. PLATE LIII. Productus brazerianus Girty, n. sp. (pp. 643-644). Figure 1. A large dorsal valve seen from above,la. Side view in A small ventral valve seen from Side view in outline. The figured specimens are from the Wayanquadrangle in Idaho, but the same speciesoccurs in the Wasatch Range in Utah. Productus ovatus Hall. Figure 3. A ventral valve seen from above. After Hall and Wliitfield, U. S. Geol. Par. Final Rept., vol. 4, pt. 2, pi. 5,fig. 7, 1877. The figured specimen is fromDr
. The ore deposits of Utah. 12 CHARACTERISTIC FOSSILS OF UPPER MISSISSIPPIAN AGE. PLATE LIII. Productus brazerianus Girty, n. sp. (pp. 643-644). Figure 1. A large dorsal valve seen from above,la. Side view in A small ventral valve seen from Side view in outline. The figured specimens are from the Wayanquadrangle in Idaho, but the same speciesoccurs in the Wasatch Range in Utah. Productus ovatus Hall. Figure 3. A ventral valve seen from above. After Hall and Wliitfield, U. S. Geol. Par. Final Rept., vol. 4, pt. 2, pi. 5,fig. 7, 1877. The figured specimen is fromDry Canyon, Oquirrh Mountains, Utah. Productus burlingtonensis Hall. Figure 4. Inteiior of a dorsal valve seen from A ventral valve seen from above. After Hall and Whitfield, U. S. Geol. Par. Final Kept., vol. 4, pt. 2, pi. 5,figs. 9 and 10, 1877. The figured specimensare frorn Dry Canyon, Oquirrh Mountains,Utah. The identification given by Hall andWhitfield is no doubt incorrect, but the exactaffinities ha
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectminesandmineralresou
