MolluscaBase eds. (2021). MolluscaBase.
Pneumodermopsis michaelsarsi Bonnevie, 1913. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=530998 on 2021-01-28
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021). European Register of Marine Species.
Pneumodermopsis michaelsarsi Bonnevie, 1913. Accessed at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=530998 on 2021-01-28