Dolichodon Gray, 1866 accepted as Mesoplodon Gervais, 1850 (original description)
Euphycetes Gray, 1866 accepted as Kogia Gray, 1846 (original description)
Eutrope Gray, 1866 accepted as Cephalorhynchus Gray, 1846 (original description)
Fabricia Gray, 1866 accepted as Balaenoptera Lacépède, 1804 (original description)
Mesiodon Gray, 1866 accepted as Mesoplodon Gervais, 1850 (original description)
Orcaella Gray, 1866 (original description)
Paleocetus Gray, 1866 † accepted as Palaeocetus Seeley, 1865 † (original description)
Swinhoia Gray, 1866 accepted as Balaenoptera Lacépède, 1804 (original description)