Template:Ruzhencev, 1949

• Ruzhencev, V.E 1949. Систематика и эволюция семейств Pronoritidae Frech и Medlicottiidae Karpinsky [Systematics and evolution of the families Pronoritidae Frech and Medlicottiidae Karpinsky]. Trudy Paleontologicheskogo Instituta Akademii Nauk SSSR 19: 1–226. GeoKniga  
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Nomenclatural acts

New names (8)

• †Medlicottia vetusta
• †Metapronorites cunellobatus
• †Neopronorites carboniferus
• †Neopronorites prior
• †Uddenites convexus
• †Uddenites orenburgensis
• †Uddenites postsakmarensis
• †Uddenites tuberculatus