Authors Year Title
Bogoslovskaya 1986 Ammonoidei. In: Atlas kharakternykh kompleksov Permskoi fauny i flory Urala i Russkoi platformy.
Trudy, novaia seria, 331: 14-15, pl.37-59, (Nedra) Leningrad.
Chernov 1939 Otryad Ammonoidea. Ammonei.
Atlas rukovodyashchikh form iskopaemykh faun SSSR, 6, Permskaya sistema: 160-190, fig.39-103, pl.41-45; Leningrad, Moskva.
Ruzhencev 1933 O nekotorykh nizhnepermskikh ammonoideyakh Aktyubinskogo rayona.
Byulleten' Moskovskaya obshchestva ispytatelei prirody, otdelenie geologii, 11 (2): 164-180, fig.1-6, pl.4; Moskva.
Ruzhencev 1952 Biostratigrafiya Sakmarskogo Yarusa v Aktyubinskoy Oblasti Kazakhskoy SSR.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 42: 1-87, fig.1-28, pl.1-6; Moskva.
Ruzhencev 1956 Nizhnepermskiye ammonity Yuzhnogo Urala. II. Ammonity Artinskogo yarusa.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 60: 1-275, fig.1-97, pl.1-39; Moskva.
Voinova 1934 Nekotorye ammonei iz Baigendzhinskogo gorizonta Artinskogo yarusa Yuzhnogo Urala. [Some ammonites from the Baigendja horizon of the Artinskian, South Ural.]
Trudy Vsesoyuzn.geologo-razvedochnogo ob"ed., vypusk 352: 1-60, text-fig.1-22, pl.1-5, 4 tab., Leningrad, Moskva, Novosibirsk.