(of)Marshall, W. B. (1926). New fossil fresh-water mollusks from Florida. <em>Proceedings of the United States National Museum.</em> 68(2612): 1-4, pl. 1., available online athttps://www.biodiversitylibrary.org/page/7610769 page(s): 2-3, pl. 1, figs 1-3 [details]
MolluscaBase eds. (2025). MolluscaBase. Planorbella duryi preglabratus (W. B. Marshall, 1926) †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1422198 on 2025-05-23
Marine Species Traits editorial board (2025). Marine Species Traits. Planorbella duryi preglabratus (W. B. Marshall, 1926) †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1422198 on 2025-05-23
original description(of)Marshall, W. B. (1926). New fossil fresh-water mollusks from Florida. <em>Proceedings of the United States National Museum.</em> 68(2612): 1-4, pl. 1., available online athttps://www.biodiversitylibrary.org/page/7610769 page(s): 2-3, pl. 1, figs 1-3 [details]