Authors Year Title
Nikolaeva 1994 Serpukhovskie i bashkirskie ammonoidei Sredney Asii.
Trudy Paleontologicheskogo Instituta Rossiiskaya Akademiya Nauk, 259: 1-143, fig.1-56, tab.1-2, pl.1-10; Moskva.
Pitinova 1974 Stratigrafiya i ammonoidei Namyura Tsentral'nykh Kyzylkumov i Yuzhnoi Fergany.
1-66, 8 figs.,1 tab., 12 pls., Tashkent (Izdatel'stvo FAN Uzbekskoy SSR).