Barnard K.H. (1963). Contributions to the knowledge of South African marine Mollusca. Part IV. Gastropoda: Prosobranchiata: Rhipidoglossa, Docoglossa. Tectibranchiata. Polyplacophora. Solenogastres. Scaphopoda. <i>Annals of the South African Museum</i>, 47(2): 201–360., available online athttp://biodiversitylibrary.org/page/40854592 page(s): 321, text fig. 28a [details]
MolluscaBase eds. (2025). MolluscaBase. Retusa natalensis Barnard, 1963. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=745605 on 2025-05-17
Marine Species Traits editorial board (2025). Marine Species Traits. Retusa natalensis Barnard, 1963. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=745605 on 2025-05-17
original descriptionBarnard K.H. (1963). Contributions to the knowledge of South African marine Mollusca. Part IV. Gastropoda: Prosobranchiata: Rhipidoglossa, Docoglossa. Tectibranchiata. Polyplacophora. Solenogastres. Scaphopoda. <i>Annals of the South African Museum</i>, 47(2): 201–360., available online athttp://biodiversitylibrary.org/page/40854592 page(s): 321, text fig. 28a [details]
Present Inaccurate Introduced: alien Containing type locality