Evdonin, L. A. (1968). Polycystis orientalis sp. n.- a new representative of the proboscis turbellarians (Turbellaria, Neorhabdocoela, Kalyptorhynchia). Vest. leningr. gos. Univ. Biol., (3) 15: 32-40. (in Russian, English summary).
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Evdonin, L. A.
1968
Polycystis orientalis sp. n.- a new representative of the proboscis turbellarians (Turbellaria, Neorhabdocoela, Kalyptorhynchia).