1.
Cole M, Herbert D. Eight new species of Gulella Pfeiffer, 1856 from the south-east coast of South Africa (Gastropoda: Streptaxidae). EJT [Internet]. 2022Apr.11 [cited 2024Nov.23];813(1):1-32. Available from: https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/1729