(of)Williamson, W. C. (1848). On the Recent British species of the genus <i>Lagena</i>. <em>Annals and Magazine of Natural History.</em> (2) 1 (1): 1-20., available online athttp://www.biodiversitylibrary.org/page/22193922#page/17/ page(s): p. 20, pl. 2, figs 21, 22 [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Pseudofavulina scalariformis (Williamson, 1848). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024) European Register of Marine Species at: https://www.marbef.org/data/aphia.php?p=taxdetails&id=1255377 on 2024-11-26
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species. Pseudofavulina scalariformis (Williamson, 1848). Accessed at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=1255377 on 2024-11-26
original description(of)Williamson, W. C. (1848). On the Recent British species of the genus <i>Lagena</i>. <em>Annals and Magazine of Natural History.</em> (2) 1 (1): 1-20., available online athttp://www.biodiversitylibrary.org/page/22193922#page/17/ page(s): p. 20, pl. 2, figs 21, 22 [details]
Present Inaccurate Introduced: alien Containing type locality
Present 