Marwick, J. (1926). Molluscan fauna of the Waiarekan Stage of the Oamaru Series. <em>Transactions of the New Zealand Institute.</em> 56: 307-316. page(s): 314 [details]
MolluscaBase eds. (2025). MolluscaBase. Sigapatella vertex Marwick, 1926 †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=832819 on 2025-05-21
Marine Species Traits editorial board (2025). Marine Species Traits. Sigapatella vertex Marwick, 1926 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=832819 on 2025-05-21
original descriptionMarwick, J. (1926). Molluscan fauna of the Waiarekan Stage of the Oamaru Series. <em>Transactions of the New Zealand Institute.</em> 56: 307-316. page(s): 314 [details]
Present Inaccurate Introduced: alien Containing type locality