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Authors |
Year |
Title |
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Ruzhencev |
1938 |
Ammonei Sakmarskogo yarusa i ikh stratigraficheskoe znachenie.
Problemy Paleontologii, 4: 187-285, fig.1-19, pl.1-7; Moskva.
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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.
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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.
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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.
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