(of)Melvill, J. C. & Ponsonby, J. H. (1891). Descriptions of nine new terrestrial and fluviatile mollusks from South Africa. <em>The Annals and Magazine of Natural History.</em> (6) 8 (45): 237-240. London. [1 September]., available online athttps://www.biodiversitylibrary.org/page/15686964 page(s): 238 [details]
MolluscaBase eds. (2025). MolluscaBase. Trigonephrus porphyrostoma (Melvill & Ponsonby, 1891). Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1058524 on 2025-05-24
Marine Species Traits editorial board (2025). Marine Species Traits. Trigonephrus porphyrostoma (Melvill & Ponsonby, 1891). Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1058524 on 2025-05-24
original description(of)Melvill, J. C. & Ponsonby, J. H. (1891). Descriptions of nine new terrestrial and fluviatile mollusks from South Africa. <em>The Annals and Magazine of Natural History.</em> (6) 8 (45): 237-240. London. [1 September]., available online athttps://www.biodiversitylibrary.org/page/15686964 page(s): 238 [details]
additional sourceConnolly, M. (1939). A monographic survey of South African non-marine Mollusca. <em>Annals of the South African Museum.</em> 33: 1-660. page(s): 288 [details] Available for editors
Present Inaccurate Introduced: alien Containing type locality