	Authors	Year	Title
	Armstrong, Dear & Runnegar	1967	Permian Ammonoids from Eastern Australia. Journal of the geological Society of Australia, 14 (1): 87-97, 2 text-figs., pls.5-6.edit
	Chao	1965	The Permian ammonoid-bearing formations of South China. Scientia Sinica, 14 (12): 1813-1826, fig.1-4, pl.1-2; Beijing.
	Glenister & Furnish	1961	The Permian ammonoids of Australia. Journal of Paleontology, 35 (4): 673-736, fig.1-17, pl.78-86; Tulsa,Oklahoma.
	Kotlyar, Zakharov & Kropacheva	1989	Pozdnepermskii etap evoliutsii organicheskogo mira. Midiinskii yarus SSSR. [Kotliar,G,V,, Zakharov,Yu.d., Kropacheva,G.S., Pronina,G.P., Chediya,I.O. & Burago,V.I.] (Evolution of the latest Permian biota. Midian stage.) Zakharov,Y.D., in "Nauka", 64-66, 126-133, figs.9-12, pls.25-26, Leningrad.
	Sheng	1988	Early Lower Permian ammonoids of the Urulung Formation from Luobadui, Xizang (Tibet). Tectonic evolution of the lithosphere of the Himalayas: 123-148, fig.1-11, pl.1-3; Beijing.
	Sheng	1988b	Late Lower Permian ammonoids of the Langcuo Formation from Angren district South Xizang (Tibet). Tectonic evolution of the lithosphere of the Himalayas: 149-180, fig.1-14, pl.1-5; Beijing.
	Tumanskaia	1949	O permskikh ammoneiakh Srednei Azii. Byull. Moskovsk. Obshchestva isp. Prirody, Otd. Geologii, 24 (6): 49-84, fig.1-40, pl.1-6; Moskva.
	Tumanskaia	1963	Permskie ammonei tsentral'nogo Pamira i ikh stratigraficheskoe znachenie. Otd. geol.-geogr. nauk Akad. Nauk SSSR: 1-119, fig.1-48, pl.A,B,1-23; Moskva.
	Zhou	1988	Lower Permian Artinskian ammonoid fauna and related biostratigraphy in South China. Acta Paleontologica Sinica, 27 (3): 381, pl.1-2; Beijing.