Jousé, A.P. (1951). Diatomeae Aetatis Palaeocaeni Uralh Septentrionalis [Paleocene diatoms in the Northern Urals]. Botaniceskie materialy otdela sporovyh rastenij Botanicheskogo instituta imeni V.L. Komarova, Akademii Nauk S.S.S.R. Notulae systematicae e sectione cryptogamica instituti botanici nomine V.L. Komarovi academiae scientiarum URSS, 7(1-6): 24-42, 4 pls