MolluscaBase eds. (2021). MolluscaBase.
Subonoba contigua Powell, 1957. Accessed through: RAS (Eds.) (2021) Register of Antarctic Species at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=607679 on 2025-04-03
RAS (Eds.) (2025). Register of Antarctic Species.
Subonoba contigua A. W. B. Powell, 1957. Accessed at: https://ras.biodiversity.aq/aphia.php/aphia.php?p=taxdetails&id=607679 on 2025-04-03