Hirase, S. (1927-1928). <i>Sacculus okai</i>, a new parasitic mollusk. <em>Annotationes Zoologicae Japonenses.</em> 11: 115-123, pls. 1-2 [1927]; Amendments, 11: 417 [1928].[details]
MolluscaBase eds. (2025). MolluscaBase. Pseudosacculus S. Hirase, 1928. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=818867 on 2025-09-19
Marine Species Traits editorial board (2025). Marine Species Traits. Pseudosacculus S. Hirase, 1928. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=818867 on 2025-09-19