Materials for the study of the upper Jurassic deposits of the Caucasus. Transactions of the Geological and Prospecting Service of the USSR, 91 1931: pp. 1-170. 111 [Zoological Record Volume 69]
Materials for the Study of the Upper Jurassio deposits of the Caucasus. Transactions of the Geological and Prospecting Service of the USSR, 91 1931: pp. 5-H5. [Zoological Record Volume 68]