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.
Ruan & He 1974 Devonian Ammonoids. In: A handbook of the stratigraphy and palaeontology in Southwest China. [In Chinese].
Nanjing Inst. Geol. Paleont., Acad. Sinica: 238-239, pl.119; Nanjing.
Ruan 1978 The Zonation of Devonian Ammonoids in China.
Nanjing Inst. Geol. Palaeont. Acad. Sinica, pap. int. symp. Devonian system, 4: 1-5; Beijing.
Ruan 1981a Devonian and earliest Carboniferous Ammonoids from Guangxi and Guizhou.
Mem. Nanjing Inst. Geol. Paleont. Academia Sinica, 15: 1-152, fig.1-102, pl.1-33; Beijing.
Ruan 1981b Carboniferous Ammonoid faunas from Qixu in Nandan of Guangxi.
Mem. Nanjing Inst. Geol. Palaeont., Acad. Sinica, 15: 153-232, fig.1-89, pl.1-15; Nanjing.
Ruan 1984 Some Devonian and Carboniferous ammonoids from Xizang.
Acta Palaeontologica Sinica, 23 (5): 597-604, fig.1-4, pl.1; Peking.
Ruan 1987 Amonoids from the upper Middle Devonian in Yiwa Ravine of Tewo, West Qinling Mts., China.
In: Late Silurian-Devonian strata and fossils from Luqu-Tewo area of West Qinling Mountains, China.- 219-226, fig.124-129, pl.132; Nanjing (Univ. Pr.)
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.
Ruan 1988 Ammonoids. In: Yu Chang-min [ed.]: Devonian-Carboniferous Boundary in Nanbiancun, Guilin, China. Aspects and Records.
251-262, fig.78-81, tab.20, pl.64,65; Beijing (Science Press).
Ruan 1991 Lower Upper Carboniferous cephalopods of Nilka, Western Xinjiang.
Acta Paleontologica Sinica, 30 (2): 186-211, fig.1-24, pl.1-4; Beijing.
Ruan 1995 Review on the Carboniferous Ammonoid Zones in China.
Palaeontologia Cathayana, 6 (1995): 345-364.
Ruan 1995 Tournaisian Ammonoids of Northern Xinjiang, China.
Palaeontologia Cathayana, 6 (1995): 407-430, pl.1-4.
Ruan 1996 Zonation and distribution of the early Devonian primitive ammonoids in South China.
In: Wang Hongzhen & Wang Xunlian: Centennial Memorial Volume Sun Yunzhu: Paleontology and Stratigraphy, 104-112, pl.14.1-2, text-fig.14.1-2, tabl.14.1
Yu, Wang & Ruan 1987 A desirable section for the Devonian-Carboniferous boundary stratotype in Guilin, Guangxi, South China.
Scientia Sinica, Series B, 30 (7): 751-764, fig.1-4, pl.1-3; Beijing.
Zhang & Ruan 1983 Discovery of a Devonian ammonoid species from Ejin Banner of Western Inner Mongolia.
Acta Palaeontologica Sinica, 22 (1): 119-121, fig.1-3; Bejing.