Hayward, B.W.; Le Coze, F.; Gross, O. (2018). World Foraminifera Database.
Cassidulina crassa d'Orbigny, 1839. Accessed through: (Eds) (2018) Register of Antarctic Species at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=113075 on 2021-01-22
RAS (Eds.) (2021). Register of Antarctic Species.
Cassidulina crassa d'Orbigny, 1839. Accessed at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=113075 on 2021-01-22