1. Andrianov VN (1966) In Verkhnepaleozoiskie otlozhenya zapadnogo Verkhoyanya (Tompo-etchiskoe mezhdurechie). Nauka, Moskva
2. Andrianov VN (1985) Permskie i nekotorye kamennougolnye ammonoidei Severo-Vostoka Azii. Trudy Geologicheskogo Instituta Novosibirs, Izdatel’stvo Nauka Sibirskoye Otdeleniye, pp 1–180
3. Archiac VD, Verneuil MEd (1842) On the fossils of the older deposits in the Rhenish provinces; preceded by a general survey of the fauna of the palaeozoic rocks, and followed by a tabular list of the organic remains of the Devonian. Trans Geol Soc Lond 6:303–410
4. Bando Y (1979) Upper Permian and Lower Triassic ammonoids from Abadeh, Central Iran. Mem Fac Educ Kagawa Univ 29:103–38
5. Barrande J (1865) Systême Silurien du centre de la Bohême. I, vol II. Céphalopodes. Praha, Paris