Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 580, Figs. 13-15: U. Eocene, Tadzhik Depression, Kara-dum, central Asia, Tajikistan. Type species of Caucasinella N. K. Bykova. 13, Side view of megalospheric paratype, x 72; 14, side view of microspheric holotype, x 72; 15, paratype, x 72 (from N. K. Bykova in Myatlyuk et al., 1973).
