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Titus, Webster & Manger | 
1997 | 
Biostratigraphic analysis of the Mid-Carboniferous boundary at the South Syncline Ridge section, Nevada Test Side, Nevada, United States.	 
Proceedings of the 13th International Congress on the Carboniferous and Permian, Prace Panstwowego Institutu geologicznego,157:207-212,1 pl., 3 figs.	 
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Titus & Manger | 
2001 | 
Mid-Carboniferous ammonoid biostratigraphy, Southern Nye County, Nevada: Implications of the first North American Homoceras.	 
Journal of Paleontology, 75 (4, Supplement, Memoir 55): 1-31, 24 figs., Lawrence, KS.	 
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