Abushik, A F; et al.. (1960). New paleozoic ostracoda from the Russian and Sibirian Platforms, Urals and the Pechorskoi ridge. New species of prehistoric plants and invertebrates of the USSR. Moskwa, 280-366
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Abushik, A F; et al.
1960
New paleozoic ostracoda from the Russian and Sibirian Platforms, Urals and the Pechorskoi ridge
New species of prehistoric plants and invertebrates of the USSR. Moskwa