Casey, R. (1961). The stratigraphical palaeontology of the lower Greensand. <em>Palaeontology.</em> 3(4):487–621, pl. 77–84. page(s): 576 [details] Available for editors
MolluscaBase eds. (2025). MolluscaBase. Cryptochasma R. Casey, 1961 †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1515492 on 2025-05-14
Marine Species Traits editorial board (2025). Marine Species Traits. Cryptochasma R. Casey, 1961 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1515492 on 2025-05-14
original descriptionCasey, R. (1961). The stratigraphical palaeontology of the lower Greensand. <em>Palaeontology.</em> 3(4):487–621, pl. 77–84. page(s): 576 [details] Available for editors