Voloshinova & Budasheva 1961. [Lituolidae and Troohaiiimiiiidae in Tretichnikh deposits on Sakhalin Is. and Kamchatka peninsula. In Micro-fauna of the USSR. xii. Cretaceous Foraminifera and Ostracoda in the Tretichnikh deposits of western Siberia, eastern Kazakhstan and the Far East]. Trudy vses neft nauch issled Geol Inst (VNIGRI), 170 1961: 169-233