Authors Year Title
Korn & Titus 2006 The ammonoids from the Three Forks Shale (Late Devonian) of Montana.
Fossil Record 9 (2) (2006): 198-212, 7 fig., Weinheim.
Korn & Titus 2011 Goniatites Zone (middle Mississippian) ammonoids of the Antler Foreland Basin (Nevada, Utah).
Bulletin of Geosciences 86(1), 107–196 Prague. ISSN 1214-1119
Meeks, Titus & Manger 1997 Taphonomy and Biostratigraphy of Ammonoid Cephalopods, Fayetteville Shale (Middle Chesterian, Mississippian), northern Arkansas, United States.
Proceedings of the XII International Congress on the Carboniferous and Permian, Krakow 1995, 1, Prace Panstw.Inst.Geol.,157: 311-317, 1 fig., pl.1, Krakow.
Titus 1993 Biostratigraphic implications of the first North American occurrence of the Upper Mississippian ammonoid Platygoniatites.
Journal of Paleontology, 67 (2): 310-312, 1tab.; Lawrence,Kansas.
Titus 1997 The first record of Cancelloceras (Early Pennsylvanian Ammonoidea) from southern Nevada: Implications for timing of regional mid-Carboniferous sea-level fluctuations.
Journal of Paleontology 71: 158-162, 3 text-figs., Lawrence, KS.
Titus & Riley 1997 Recognition and correlation of eustatic flooding events in the late Visean of Utah (SW USA) and Britain (NW Europe).
Newsletter on Carboniferous Stratigraphy 15: 19-22, 1 text-fig.
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.
Titus 1999 Ammonoid biostratigraphy of the Barnett Shale (late Mississippian), Texas, USA.
In: Rozanov,A.Yu. & Shevyrev,A.A. (eds.), Fossil cephalopods: Recent advances in their study, Ross.Akad.Nauk,Paleont.Inst.: 155-168, 6 figs., Moskva
Titus 2000 Late Mississippian (Arnsbergian Stage-E2 chronozone) ammonoid paleontology and biostratigraphy of the Antler foreland basin, California, Nevada, Utah.
Bulletin 131 Utah Geological Survey, 1-108, 51 text-figs., 17 tabls., 16 pls., Salt Lake City.
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.
Titus, Korn & Harrell, J.E. et al. 2015 Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA
Fossil Record, 18: 81–104,