Dietrich, W. O. (1933). Zur Stratigraphie und Palaeontologie der Tendaguruschichten. <em>Palaeontographica, Supplement.</em> 7 II. Reihe, Teil II): 1-86, pls. 1-12. page(s): 30 [details]
MolluscaBase eds. (2025). MolluscaBase. Indotrigonia Dietrich, 1933 †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=873005 on 2025-05-24
Marine Species Traits editorial board (2025). Marine Species Traits. Indotrigonia Dietrich, 1933 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=873005 on 2025-05-24
original descriptionDietrich, W. O. (1933). Zur Stratigraphie und Palaeontologie der Tendaguruschichten. <em>Palaeontographica, Supplement.</em> 7 II. Reihe, Teil II): 1-86, pls. 1-12. page(s): 30 [details]