Southern Russia Neogene formations (a) lower Miocene, (b) Sarmatian, (o) upper Miocene. Selected works vol. 1., Selected works vol. 1. Izd. Akad. Nauk SSSR Moskva : 149-361 4 pls. figs. [In Russian.]", 1961: 149-361. Chapter pagination: 149-361. 334 [Zoological Record Volume 98]