MolluscaBase eds. (2021). MolluscaBase.
Bulla cranchii J. Fleming, 1828. Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2021) World Register of Deep-Sea species (WoRDSS) at: http://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=719657 on 2021-02-27
Glover, A.G.; Higgs, N.; Horton, T. (2021). World Register of Deep-Sea species (WoRDSS).
Bulla cranchii J. Fleming, 1828. Accessed at: http://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=719657 on 2021-02-27