Rowson, B. and Tattersfield, P. 2013. Revision of Dadagulella gen. nov., the “Gulella radius group" (Gastropoda: Streptaxidae) of the eastern Afrotropics, including six new species and three new subspecies. European Journal of Taxonomy. 37 (Feb. 2013). DOI:https://doi.org/10.5852/ejt.2013.37.