(of)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. (2023). MolluscaBase. Pseudosacculus okai (S. Hirase, 1927). Accessed through: Marine Species Traits editorial board (2023) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=818869 on 2023-12-04
Marine Species Traits editorial board (2023). Marine Species Traits. Pseudosacculus okai (S. Hirase, 1927). Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=818869 on 2023-12-04