original description
(of Planorbis costulatus Krauss, 1848) Krauss, F. (1848) Die Südafrikanischen Mollusken. Ein Beitrag zur Kenntniss der Mollusken des Kap- und Natallandes und zur Geographischen Verbreitung derselben mit Beschreibung und Abbildung der neuen Arten. Ebner and Seubert, Stuttgart, 140 pp., 6 pls., available online at https://www.biodiversitylibrary.org/page/13801704
page(s): 83, pl. 5, fig. 8. [details]
basis of record
Meier-Brook, C. (1983). Taxonomic studies on <i>Gyraulus</i> (Gastropoda: Planorbidae). <em>Malacologia.</em> 24 (1/2): 1-113. Ann Arbor [29 September]., available online at https://www.biodiversitylibrary.org/page/13108482 [details] Available for editors [request]
additional source
Appleton, C.C. (1977). The fresh-water Mollusca of Tongaland with a note on molluscan distribution in Lake Sibaya. <em>Annals of the Natal Museum 23(1):129-144.</em>
page(s): 134 [details]
additional source
Brown D. S. (1994). <i>Freshwater snails of Africa and their medical importance</i>, revised 2nd edition. London: Taylor & Francis. pp. i-x, 1-607.
page(s): 186 [details] Available for editors [request]
additional source
Brown, D. S.; Curtis, B. A.; Bethune, S.; Appleton, C. C. (1992). Freshwater snails of East Caprivi and the lower Okavango River Basin in Namibia and Botswana. <em>Hydrobiologia.</em> 246(1): 9-40., available online at https://doi.org/10.1007/bf00005620
page(s): 28 [details] Available for editors [request]
From editor or global species database
Type locality Type locality: South Africa, Natal, Umgeni River [details]