Korobkov I.A. & Makarova R.K. (1962). A new pteropod mollusc from the Upper Eocene deposits of the U.S.S.R. Paleontologicheski Zhurnal. 4: 83–87. [in Russian].
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Korobkov I.A. & Makarova R.K.
1962
A new pteropod mollusc from the Upper Eocene deposits of the U.S.S.R.