Philippi, R. A. (1836). Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium, quae in itinere suo observavit. Vol. 1. I-XIV, 1-303, Tab. XIII-XXVIII. Schropp, Berlin [Berolini]., available online athttps://www.biodiversitylibrary.org/bibliography/100735#/summary page(s): 122-123, pl. 7 fig. 20 [details]
MolluscaBase eds. (2021). MolluscaBase. Bulla mammillata Philippi, 1836. 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=607765 on 2023-02-04
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2023). European Register of Marine Species. Bulla mammillata Philippi, 1836. Accessed at: https://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=607765 on 2023-02-04
original descriptionPhilippi, R. A. (1836). Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium, quae in itinere suo observavit. Vol. 1. I-XIV, 1-303, Tab. XIII-XXVIII. Schropp, Berlin [Berolini]., available online athttps://www.biodiversitylibrary.org/bibliography/100735#/summary page(s): 122-123, pl. 7 fig. 20 [details]