Gabb, W. M. (1869). Descriptions of fossils from the clay deposits of the Upper Amazon. <em>American Journal of Conchology.</em> 4(4): 197-200., available online athttps://www.biodiversitylibrary.org/page/16070306 page(s): 199, pl. 16, fig. 5a-e [details]
MolluscaBase eds. (2025). MolluscaBase. Pachydon obliqua Gabb, 1869 †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1491025 on 2025-05-23
Marine Species Traits editorial board (2025). Marine Species Traits. Pachydon obliqua Gabb, 1869 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1491025 on 2025-05-23
original descriptionGabb, W. M. (1869). Descriptions of fossils from the clay deposits of the Upper Amazon. <em>American Journal of Conchology.</em> 4(4): 197-200., available online athttps://www.biodiversitylibrary.org/page/16070306 page(s): 199, pl. 16, fig. 5a-e [details]