	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.
	Diener	1927	Leitfossilien des marinen Perm. G.Gürich: Leitfossilien, 5: 1-84, fig.1-10, pl.1-14; Berlin (Borntraeger).
	Ehiro, Hasegawa & Misaki	2005	Permian ammooids Prostacheoceras and Perrinites from the Kitakami Massif, Northeast Japan. Journal of Paleontology, 79 (6): 1222-1228, 6 fig., Lawrence, KS.
	Lambert, Lehrmann & Harris	2000	Correlation of the Road Canyon and Cutoff Formations, West Texas, and Its Relevance to Establishing an International Middle Permian (Guadalupian) Series In: Wardlaw,B.R., Grant,R.E. & Rohr,D.M.: The Guadalupian Symposium, Smithsonian Contributions to the Earth Sciences, 153-183, 4 pl., 11 fig., Washington.
	Leonova & Dmitriev	1989	Rannepermskie ammonoidei Yugo-Vostochnogo Pamira. Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 235: 1-198, fig.1-79, pl.1-16; Moskva.
	Leonova	1996	O sistematike permskikh ammonoidei semeistva Perrinitidae. [On the Systematics of the Permian Ammonoid Family Perrinitidae.] Paleontologicheskii Zhurnal, 1966 (2): 25-33, 6 text-figs., Moskva.
	Miller & Williams	1945	Permian cephalopods from Northern Columbia. Journal of Paleontology, 19 (4): 347-349, fig.1, pl.51; Tulsa,Oklahoma.
	Miller	1945a	Some exceptional Permian ammonoids from West Texas. Journal of Paleontology, 19 (1): 14-21, fig.1-3, pl.6-8; Tulsa,Oklahoma.
	Miller	1945c	Late Paleozoic ammonoids from the Chinati Mountains of West Texas. Journal of Paleontology, 19 (4): 341-346, fig.1-3, pl.50; Tulsa,Oklahoma.
	Miller, Furnish & Clark	1957	Permian ammonoids from Western United States. Journal of Paleontology, 31 (6): 1057-1068, fig.1-6, pl.133-134; Tulsa,Oklahoma.
	Plummer & Scott	1937	Upper Paleozoic ammonites in Texas. The geology of Texas, vol.3 pt.1, Bull. Texas. Univ., 3701: 1-516, fig.1-88, pl.1-41; Austin, Texas.
	Tharalson	1984	Revision of the Early Permian ammonoid family Perrinitidae. Journal of Paleontology, 58 (3): 804-833, fig.1-24, 1tab.; Lawrence, Kansas.
	Tumanskaia	1949	O permskikh ammoneiakh Srednei Azii. Byull. Moskovsk. Obshchestva isp. Prirody, Otd. Geologii, 24 (6): 49-84, fig.1-40, pl.1-6; Moskva.
	Tumanskaia	1963	Permskie ammonei tsentral'nogo Pamira i ikh stratigraficheskoe znachenie. Otd. geol.-geogr. nauk Akad. Nauk SSSR: 1-119, fig.1-48, pl.A,B,1-23; Moskva.