Perrin, W.F. (2018). World Cetacea Database.
Ferasa attenuate Gray, 1875. Accessed through: (Eds) (2018) Register of Antarctic Species at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=231428 on 2021-01-15
RAS (Eds.) (2021). Register of Antarctic Species.
Ferasa attenuate Gray, 1875. Accessed at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=231428 on 2021-01-15