original description(ofMachrochisma africana Tomlin, 1932)Tomlin, J. R. le B. (1932). Reports on the marine Mollusca in the collection of the South African Museum. 6-8. Families Fasciolariidae, Fissurellidae, Buccinidae. <em>Annals of the South African Museum.</em> 30: 157-169., available online athttps://www.biodiversitylibrary.org/page/40855798 page(s): 161, fig. 3. [details]
basis of recordHerbert D.G. (2015). An annotated catalogue and bibliography of the taxonomy, synonymy and distribution of the Recent Vetigastropoda of South Africa (Mollusca). <em>Zootaxa.</em> 4049(1): 1-98., available online athttps://doi.org/10.11646/zootaxa.4049.1.1[details]
Present Inaccurate Introduced: alien Containing type locality