	Authors	Year	Title
	Clifton	1942	Invertebrate faunas from the Blaine and the Dog Creek Formations of the Permian Leonard Series. Journal of Paleontology, 16 (6): 685-699, pl.101-104; Tulsa,Oklahoma.
	Davis, Landman & Dommergues	1996	Mature Modifications and Dimorphism in Ammonoid Cephalopods. [Davis,R.A., Landman, N.H., Dommergues, D.M., Marchand, D. & Bucher, H.] In: Ammonoid Paleobiology, N.H.Landman, K.Tanabe & R.A.Davis [eds.], 463-539, 15 figs, 1 tabl., New York (Plenum).
	Ehiro & Misaki	2005	Middle Permian ammonoids from the Kamiyasse-Imo district in the Southern Kitakami Massif, Northeast Japan. Paleontological Research, 9: 1-14, 9 fig.
	Miller & Furnish	1939	The Late Paleozoic Ammonoid Families Adrianitidae and Agathiceratidae. Paläontologische Zeitschrift, 21: 297-303, fig.1-2; Stuttgart.
	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.
	Tumanskaia	1935	Permskie ammonoidei r. Kubergandy i ikh stratigraficheskoe znachenie. Trudy Tadzhiksko-Pamirskoi ekspeditsii, 31: 43-130, fig.1-24, pl.1-5;