	Authors	Year	Title
	Chao		see also under --> Zhao,Jinke
	Chao	1940	Upper Paleozoic cephalopods from central Hunan, China. Journal of Paleontology, 14 (1): 68-73, pl.9-10; Tulsa, Oklahoma.
	Chao	1954	Permian cephalopods from Tanchiashan, Hunan. Acta Paleontologica Sinica, 2: 1-58, fig.1-4, pl.1-7; Beijing.
	Chao	1955	Some Permian ammonoids from Kwangsi and their significance. [In Chinese, with extended English summary]. Acta Palaeontologica Sinica, 3 (2): 146-158, 2 pls.
	Chao	1956	Notes on some Devonian ammonoids from Southern Kwangsi. Acta Paleontologica Sinica, 4 (2): 101-116, pl.1; Beijing.
	Chao, Chang & Liang	1962	[Lower and Middle Carboniferous Cephalopoda.] [In Chinese]. Handbook of Index Fossils of the Yangtse Area, p.103, 108, 133, pl.55, 57-58, 69.
	Chao & Liang	1964	[Middle Carboniferous Cephalopoda.] [In Chinese.] Handbook of Index fossils from Southern China, p.87, pl.48-49, Peking (Science Press).
	Chao	1965	The Permian ammonoid-bearing formations of South China. Scientia Sinica, 14 (12): 1813-1826, fig.1-4, pl.1-2; Beijing.
	Chao & Liang	1974	[Carboniferous Ammonoids]. In: Handbook of the Stratigraphy and Paleontology in Southwest China. [In Chinese]. Nanjing Institute of Geology and Palaeontology, Academia Sinica, 273-274, pl.140, Nanjing.
	Chao & Liang	1974	Permian Ammonoids. In: Handbook of the Stratigraphy and Paleontology in Southwest China. [In Chinese]. Nanjing Institute of Geology and Palaeontology, Academia Sinica: 303-307, pl.159-160, Nanjing.