Winter, A. J. de. (2008). Costigulella primennilus spec. nov., a new minute western African terrestrial snail, with remarks on the genus Costigulella (Gastropoda Pulmonata: Streptaxidae). Zoologische Mededelingen. 82(23): 245–251.
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Winter, A. J. de
2008
<i>Costigulella primennilus</i> spec. nov., a new minute western African terrestrial snail, with remarks on the genus <i>Costigulella</i> (Gastropoda Pulmonata: Streptaxidae).