(of)Miklukho-Maklay, K. V. (1954). Фораминиферы верхнепермских отложений Северного Кавказа - Foraminifera of the Upper Permian deposits of the Northern Caucasus. <em>Труды ВСЕГЕИ. Госгеолтехиздат- Trudy VSEGEI. Gosgeoltekhizdat.</em> 1: 1-124., available online athttps://books.google.pt/books?id=_ehGDwAAQBAJ page(s): p. 27, Pl. 2, Fig. 14 [details] Available for editors
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Protonodosaria sagitta (Miklukho-Maklay, 1954) †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1398183 on 2025-05-15
Marine Species Traits editorial board (2025). Marine Species Traits. Protonodosaria sagitta (Miklukho-Maklay, 1954) †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1398183 on 2025-05-15
original description(of)Miklukho-Maklay, K. V. (1954). Фораминиферы верхнепермских отложений Северного Кавказа - Foraminifera of the Upper Permian deposits of the Northern Caucasus. <em>Труды ВСЕГЕИ. Госгеолтехиздат- Trudy VSEGEI. Gosgeoltekhizdat.</em> 1: 1-124., available online athttps://books.google.pt/books?id=_ehGDwAAQBAJ page(s): p. 27, Pl. 2, Fig. 14 [details] Available for editors