Authors Year Title
Konovalova 2015 Early Carboniferous Ammonoids from the Chatkal River Basin (Middle Tien Shan, Uzbekistan)
Paleontologicheski Zhurnal, 2015(4) : 33-46
Liang 1957 Some Carboniferous cephalopods from northern Kansu.
Acta Palaeontologica Sinica, 5 (4): 561-572, fig.1-4, pl.1; Beijing.
Librovitch 1927 Nizhnekamennougol'nye golovonogie iz raiona ozera Son-kul' (Tian' Shan').
Materialy obshchei i  prikladnoi geologii, Geologicheskii komitet, vypusk 74: 1-55, pl.1-7; Leningrad.
Pareyn 1961 Les Massifs Carbonifères du Sahara Sud-Oranais. Tome II. Paléontologie stratigraphique.
Publications Centre Rech. Sahariennes, Ser. Géologie, 1: 1-244, fig.1-27, pl.1-28; Paris.
Popov 1968 Vizeiskie ammonoidei cevernogo Tyan'-Shanya i ikh stratigraficheskoe zhachenie.
Akad. Nauk Kirgizkoy SSR, Inst. Geologii: 1-116, fig.1-22, pl.1-8; Frunze.