Authors Year Title
Miller & Furnish 1940c Permian ammonoids of the Guadalupe Mountain Region and adjacent areas.
Special Papers of the Geological Society of America, 26: 1-242, fig.1-59, pl.1-44; Baltimore.
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 1939c Development of the family Metalegoceratidae Plummer & Scott.
[Razvitie semeistva Metalegoceratidae Plummer & Scott.]
Comptes Rendus (Doklady) de l'Academie des Sciences de l'URSS,  24 (3): 310-312, fig.1-3; Moskva.
Ruzhencev 1939d Znachenie ontogeneza dlya estestvennoy sistematiki ammonitov. The significance of the ontogeny for the natural system of the ammonoids.]
Istvestiia Akademii Nauk SSSR, seriia biologicheskaia, 1: 13-32, fig.1-7; Moskva.
Ruzhencev 1940a On the family Adrianitidae SCHINDEWOLF.
Comptes Rendus (Doklady) de l'Academie des Sciences de l'URSS, 26 (8): 837-840, 845-848, 3 fig.; Moskva.
Ruzhencev 1949 Sistematika i evolyutsia semeystv Pronoritidae Frech i Medlicottiidae Karpinsky.
Trudy Palentologicheskogo Instituta Akademiya Nauk SSSR, 19: 1-206, fig.1-88, pl.1-17; Moskva.
Ruzhencev 1950 Verkhnekamennougol'nye ammonity Urala.
Trudy Paleont. Inst., Akad. Nauk SSSR, 29: 1-220, fig.1-84, pl.1-15; Moskva.
Ruzhencev 1951 Nizhnepermskie ammonity yuzhnogo Urala. 1.Ammonity Sakmarskogo Yarusa.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 33: 1-186, fig.1-62, phot.1-8, pl.1-15; 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.