basis of record
Watson, H. (1934). <i>Natalina</i> and other South African snails. <em>Proceedings of the Malacological Society of London.</em> 21(3): 150–193., available online at https://academic.oup.com/mollus/article-abstract/21/3/150/1038357
page(s): 180 [details]
additional source
Connolly, M. (1939). A monographic survey of South African non-marine Mollusca. <em>Annals of the South African Museum.</em> 33: 1-660.
page(s): 231 [details] Available for editors [request]
From editor or global species database