Nalivkin, D. V. (1936). The Middle Paleozoic faunas of the head parts of the Kolyma and Kandyga rivers in the Paleozoic faunas of the Kolyma. Contr. to Knowledge of Okhotsk-Kolyma Land, ser. 1, fasc. 4. State Trust Dalstroy, pp. 1-28, plates 1-2.
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Nalivkin, D. V.
1936
The Middle Paleozoic faunas of the head parts of the Kolyma and Kandyga rivers in the Paleozoic faunas of the Kolyma
Contr. to Knowledge of Okhotsk-Kolyma Land, ser. 1, fasc. 4