MolluscaBase taxon details
original description
(of Gulella hedwigae Degner, 1934) Degner, E. (1934). Westafrikanische Landschnecken. I. Streptaxiden, Helicarioniden, Vaginuliden. <em>Zoologishe Jahrbücher, Abt. für Systematik.</em> 65: 209–308. page(s): 257, fig. 32. [details]
basis of record
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). <em>Zoologische Mededelingen.</em> 82(23): 245–251., available online at https://repository.naturalis.nl/pub/261785 page(s): 245 [details] Available for editors [request]
additional source
Brown, K. (2023). A guide to the hunter shells. Vol. 2. The Streptaxoidea. The Enneinae, Orthogibbinae, Marconiinae, Odontartemoninae, Streptaxinae and the Diapheridae. ConchBooks, Germany. page(s): 30 [details]
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