Authors Year Title
Konovalova 2006 Nekotorye turneiskie ammonoidei Sredinnovo Tyan-Shanya (Chtkal'skii Khrebet). [Some Tournaisian Ammonoidei of the Middle Tian-Shan (Chatkal'skii Range].
Biulleten' Moskovskogo obshchestva ispytatelei prirody, otdel geologicheskii, 81 (1): 100.
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.
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.