Authors Year Title
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.
Liao 1978 Subclass Ammonoidea.[In Chinese].
Atlas of the Paleontology of Southwest China, Guizhou Province Part 2: Carboniferous-Quarternary: 380-439, pl.130-141; Beijing.
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.
Yang 1978 [On the Lower and Middle Carboniferous Subdivisions and Ammonoids of Western Guizhou.] [In Chinese.]
Professional Papers of Stratigraphy and Palaeontology, 5: 143-200, pl.40-46, Peking (Geological Publishing House).
Yin 1935 Upper Palaeozoic ammonoids of China.
Palaeontologia Sinica, Ser. B, 11 (4): 1-45, fig.1-10, pl.1-5; Beijing.