Authors Year Title
Jin, Henderson & Wardlaw 2003 Proposal for the Global Stratotype Section and Point (GSSP) for the Wuchiapingian-Changhsingian Stage boundary (Upper Permian Lopingian Series).
Permophiles 43: 8-23, 9 fig.
Teichert, Kummel & Sweet 1973 Permian-Triassic strata, Kuh-e-Ali Bashi, Northwestern Iran.
Bulletin of the Museum of Comparative Zoology, Harvard University, 145 (8): 359-472, 14 pls., 16 figs., Cambridge, MA.
Wang 1990 Late permian and Early Triassic ammonoid fauna from Fenghai, Yong'an, Fujian and their stratigraphic significance.
Acta Paleontologica Sinica, 29 (6): 755-773, fig.1-7, pl.1-4; Beijing.
Yang 1987 Ceratitida. In: Yang Zunyi, Yin Hongfu, Wu Shunbao, Yang Fengqing, Ding Meihua & Xu Guirong: Permian-Triassic Boundary. Stratigraphy and Fauna of South China.
Geological Memoirs (2) 6: 262-271, 15 fig. (Geological Publishing House), Beijing.
Zhao, Liang & Zheng 1978 Late Permian cephalopods of South China.
Palaeontologica Sinica, 154, N.S.B,12: 1-194, fig.1-105, pl.1-34; Beijing.
Zheng 1981 Uppermost Permian (Changhsingian) ammonoids from Western Guizhou.
Acta Paleontologica Sinica, 20 (2): 107-114, fig.1-6, pl.1-3; Beijing.
Zheng 1984 Some Permian ammonoids from Hunan and Northern Guangdong. [In Chinese, with English summary].
Acta Paleontologica Sinica, 23 (2): 185-195, fig.1-8, pl.1-2; Beijing.