Johnson, J. G.; Boucot, A. J.; Murphy, M. A. (1973). Pridolian and early Gedinnian brachiopods from the Roberts Mountains Formation of central Nevada. University of California Pub. Geol. Sci. 100: 75 pp., 31 Plates.
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Johnson, J. G.; Boucot, A. J.; Murphy, M. A.
1973
Pridolian and early Gedinnian brachiopods from the Roberts Mountains Formation of central Nevada