Cetacea Brisson, 1762 sensu Geisler et al. (2011)

Neoceti Fordyce and Muizon, 2001 sensu Geisler et al. (2011)

Mysticeti Gray, 1864 sensu Geisler et al. (2011)

Chaeomysticeti Mitchell, 1989 sensu Geisler et al. (2011)

Cetotheriidae Brandt, 1872; sensu Fordyce & Marx (2013)

Metopocetus Cope, 1896