Authors Year Title
Gao, Ruan & Chen 1983 Cephalopoda.[In Chinese]. [Gao,Y., Ruan,Y., Chen,J. & Wen,Yuling].
Paleontological Atlas of Northwestern China. Shaanxi, Gansu and Ningxia Volume. Part II. Upper Paeozoic: 452-475, fig.136-165, pl.151-155; Beijing.
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.
Nikolaeva 1995 Ammonoids from the late Lower and early Upper Carboniferous of Central Asia.
Courier Forschungsinstitut Senckenberg, 179: 1-107, fig.1-75, tab.1-2, pl.1-9; Frankfurt a.M.
Nikolaeva & Konovalova 2005 Genus Lusitanoceras and its role in the Evolution of Goniatitaceans.
Paleontological Journal, 39, Suppl. 5, 2005, 558-572, Moskva.
Ruan & Zhou 1987 Carboniferous cephalopods in Ningxia Hui Autonomous Region. [In Chinese, with Engl. summary].
Namurian Strata and Fossils of Ningxia, China: 55-177, 78 text-figs., 15 pls., Nanjing.
Ruzhencev & Bogoslovskaya 1971a Namiurskii etap v evoliutsii ammonodei. Rannenamiurskie ammonoidei.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 133: 1-382, fig.1-89, pl.1-40; Moskva.
Wang 1981 Carboniferous ammonoids from Eastern Xinjiang.[In Chinese, with English summary].
Acta Palaeontologica Sinica, 20 (5): 468-481, fig.1-12, pl.1,2; Beijing.