Invalid names: Balaenoptera australis Gray 1846 [synonym], Balaenoptera brevicauda Ichihara 1966 [synonym], Balaenoptera indica Blyth 1842 [synonym], Balaenoptera intermedia Burmeister 1871 [synonym], Balaenoptera jubartes Lacépède 1804 [synonym], Balaenoptera sulfureus Cope 1869 [synonym], Cuvierius latirostris Flower 1864 [synonym], Physalus sibbaldii Gray 1847 [synonym], Sibbaldius antarcticus Burmeister 1865 [synonym], Sibbaldius sulfureus Scammon and Cope 1869 [synonym], Sibbaldus borealis Gray 1864 [synonym]