chief editor Yu. A. Orlov ; deputy chief editors B.P. Markovskii, V.E. Ruzhentsev, B.S. Sokolov ; volume editeor V.I. Gromova. -- Israel Program for Scientific Translations, 1968. -- (Fundamentals of paleontology : a manual for paleontologists and geologists of the USSR / Yu.A. Orlov ; v.13).