Kawakatsu, M.; Asai, E.; Yamada, T. (1978). Bdellocephala borealis sp. nov., a new freshwater planarian from Rishiri and Okushiri Islands off Hokkaido. Bull. National Sci. Museum, 4:79-98.
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Kawakatsu, M.; Asai, E.; Yamada, T.
1978
Bdellocephala borealis sp. nov., a new freshwater planarian from Rishiri and Okushiri Islands off Hokkaido.