. Bulletins of American paleontology. Late Triassic Cyrtinoid Spiriferinacean Brachiopods: Hoover 91 Dorsal interior with minute notothyrium and hinge- line bearing row of anteroposteriorly elongate fossae that accommodate ventral valve hinge denticles. For measurements, see Table 10. Occurrence.—Phenacozugmayerella mimuncinata, n. sp. is apparently endemic to North America. In the present collections it has been recovered from rocks ranging in age from late Kamian to middle Norian [zones UCl through MNo2 of Tozer (1980)], at local- ities 6 [Alaska, Alexander terrane, zones UC1-UC3 of Tozer (1
. Bulletins of American paleontology. Late Triassic Cyrtinoid Spiriferinacean Brachiopods: Hoover 91 Dorsal interior with minute notothyrium and hinge- line bearing row of anteroposteriorly elongate fossae that accommodate ventral valve hinge denticles. For measurements, see Table 10. Occurrence.—Phenacozugmayerella mimuncinata, n. sp. is apparently endemic to North America. In the present collections it has been recovered from rocks ranging in age from late Kamian to middle Norian [zones UCl through MNo2 of Tozer (1980)], at local- ities 6 [Alaska, Alexander terrane, zones UC1-UC3 of Tozer (1980), based on associated fauna], 32 [Nevada, Osobb Formation, Triassic cover on the Golconda Al- lochthon, zones LNol-LNo3 of Tozer (1980), based on stratigraphic position], 33 [Nevada, lower member of Luning Formation, Paradise terrane, zone LNol of Tozer (1980), based on fauna at this stratigraphic level], 34 [Nevada, upper member of Luning Formation, Par- adise terrane, zone LNo3 of Tozer (1980), based on stratigraphic position], 35 [Nevada, Luning Forma- tion, Paradise terrane, zone LNo3 of Tozer (1980), based on associated fauna], 36 [Nevada, Luning For- mation, Paradise terrane, zone LNol of Tozer (1980),. Text-figure 5. —Posterodorsolateral views of portions of a dorsal valve of Phenacozugmayerella mimuncinata. n. gen. and n. sp., CASG (holotype. from loc. 36), showing (a) the five folds on one flank, x 8; (b) the surface microomament of beaded capillae on the next- to-the-top fold. X 17; and (c) the capillate and capillate-cancellate (x) surface microomament on the lop Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Paleontological Research Institution (Ithaca, N. Y. ); Columbia University. Ithaca, N. Y. , Paleontological Research Institution [etc. ]
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