Ohfuchi, S. H. (1937). Descriptions of three new species of the genus Pheretima from north-eastern Honshu, Japan. Saito Ho-On Kai Mus. Res. Bull. 12: 13-29.
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Ohfuchi, S. H.
1937
Descriptions of three new species of the genus Pheretima from north-eastern Honshu, Japan.