Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2021). World Foraminifera Database.
Pyrgo depressus (d'Orbigny, 1826). Accessed through: RAS (Eds.) (2021) Register of Antarctic Species at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=556782 on 2024-04-20
RAS (Eds.) (2024). Register of Antarctic Species.
Pyrgo depressus (d'Orbigny, 1826). Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=556782 on 2024-04-20