Yehara, S. (1923). Cretaceous Trigoniae from Amakusa islands, Prov. Higo, Kyûshû, Japan. <em>The Journal of the Geological Society of Japan.</em> 30: 1-12. page(s): 2, pl. 4, figs 1, 2, pl. 5, fig. a [details]
MolluscaBase eds. (2025). MolluscaBase. Trigonia dilapsa Yehara, 1923 †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=854194 on 2025-05-23
Marine Species Traits editorial board (2025). Marine Species Traits. Trigonia dilapsa Yehara, 1923 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=854194 on 2025-05-23
original descriptionYehara, S. (1923). Cretaceous Trigoniae from Amakusa islands, Prov. Higo, Kyûshû, Japan. <em>The Journal of the Geological Society of Japan.</em> 30: 1-12. page(s): 2, pl. 4, figs 1, 2, pl. 5, fig. a [details]