Authors Year Title
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.
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.
Manger & Saunders 1980 Lower Pennsylvanian (Morrowan) ammonoids from the North American midcontinent.
Journal of Paleontology, 54, Suppl.(3): 1-56, fig.1-21, pl.1-6, tab.1-10; Tulsa, Okla.
Nishida & Kyuma 1982 Mid-Carboniferous Ammonoids from the Akiyoshi Limestone Group (Molluscan Paleontology of the Akiyoshi Limestone Group-V).
Bulletin of the Akiyoshi-dai Museum of Natural History, 17: 1-54, 14 figs., 10 pls., Shuho, Yamaguchi pref.