Vanatta, E. G. (1920). New land shells. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 72: 203-206., available online athttps://www.biodiversitylibrary.org/page/26309791 page(s): 205-206, pl. 9, figs. 9-11, 13 [details]
MolluscaBase eds. (2025). MolluscaBase. Opisthosiphon maynardi Vanatta, 1920. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1484061 on 2025-05-15
Marine Species Traits editorial board (2025). Marine Species Traits. Opisthosiphon maynardi Vanatta, 1920. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1484061 on 2025-05-15
original descriptionVanatta, E. G. (1920). New land shells. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 72: 203-206., available online athttps://www.biodiversitylibrary.org/page/26309791 page(s): 205-206, pl. 9, figs. 9-11, 13 [details]