Authors Year Title
Böse 1919 The Permo-Carboniferous ammonoids of the Glass Mountains, west Texas, and their stratigraphical significance. [1919, inscribed 1917].
University of Texas Bulletin, 1762: 1-241, 11 pl.,  Austin,Texas.
Mapes & Boardman 1988 The Upper Paleozoic (Pennsylvanian-Permian) ammonoid Emilites.
Journal of Paleontology, 62 (1): 69-75, fig.1-6, 1tab.; Lawrence, Kansas.
Miller & Furnish 1940b Studies of Carboniferous ammonoids: parts 5-7.
Journal of Paleontology, 14 (6): 521-543, fig.1-7, pl.62-65; Tulsa, Okla.
Miller & Furnish 1940c Permian ammonoids of the Guadalupe Mountain Region and adjacent areas.
Special Papers of the Geological Society of America, 26: 1-242, fig.1-59, pl.1-44; Baltimore.
Nassichuk 1977 Upper Permian ammonoids from the Cache Creek Group in Western Canada.
Journal of Paleontology, 51 (3): 557-590, fig.1-20, tab.1-7, pl.1-3; Tulsa, Okla.
White & Skorina 2000 A Type Catalog of Fossil Invertebrates (Mollusca: Ammonoidea) in the Yale Peabody Museum.
Postilla 222, Peabody Museum of Natural History, Yale University, 1-73, New Haven, CT.
Zakharov 1978 Novye nakhodki goniatitov v otlozheniiakh karbona khr. Karachatyr (Yuzhnaia Fergana).
Uzbekskii geol. Zhurnal, Akad. Nauk Uzbekskoi SSR, 1978 (3): 50-54, 2 text-fig.