Vorlage:Obruchev, 1947a
Aus WORLDFISH WIKI
- Obruchev, D.V. 1947. Tip Chordata. Khordovye. Podtip Vertebrata. Pozvonochnye [Phylum Chordata. Chordates. Subphylum Vertebrata. Vertebrates]; Pp. 191-206 in Nalivkin, D. (ed.): Atlas of the guide forms of the fossil faunas of the USSR. Volume III. Devonien. State Editorial Office for Geological Literature USSR Ministry of Geology, Moskow-Leningrad.