Tsatsir, E. F. (1970). ???????????? ?? ????????? ? ??????? ??????? ??????????. ? ??. ??????????????? ????????? ????????? ??????????? - Foraminifers from the Paleogene and lower Miocene of Kyzylkums. In: Biostratigraphy of sedimentary deposits of Uzbekistan. ????? - Nedra. 9: 336-352., available online at (https://books.google.com/books?id=ShxaDwAAQBAJ) page(s): p. 345, pl. 2, figs. 3-4 (holotype fig. 3).
