Takami, A. (1991). The Birth Frequency, Number and Size of Newborns in the Three Species of the Genus Semisulcospira (Prosobranchia: Pleuroceridae). VENUS (The Japanese Journals of Malacology). 50 (3):218-232.
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Takami, A
1991
The Birth Frequency, Number and Size of Newborns in the Three Species of the Genus Semisulcospira (Prosobranchia: Pleuroceridae).