@article{WoRMS:SourceID:350533, author = {Herbert, D.G. & Kilburn R.N.}, journal = {Annals of the Natal Museum 32: 319–323.}, title = {The occurrence of Pisulina (Neritidae) and Neritopsis (Neritopsidae) in southern Africa (Mollusca: Gastropoda: Neritoidea).}, url = {https://marinespecies.org/aphia.php?p=sourcedetails&id=350533}, year = {1991} }