Cole, M.L. & Herbert D.G. (2023). Seven new narrowly endemic species of Gulella Pfeiffer, 1856 from eastern South Africa (Gastropoda, Streptaxidae) and status revision for another. European Journal of Taxonomy. 900: 1–31.
470949
Cole, M.L. & Herbert D.G.
2023
Seven new narrowly endemic species of <i>Gulella</i> Pfeiffer, 1856 from eastern South Africa (Gastropoda, Streptaxidae) and status revision for another