Cetacea Brisson 1762 see Suborder Cetacea Brisson, 1762 Neoceti Fordyce & de Muizon, 2001 Odontoceti Flower, 1867 see Parvorder Odontoceti Flower, 1867 Physeteroidea Gray, 1821 Physeteridae Gray, 1821 - sperm whales Genus Physeter Linnaeus, 1758 - sperm whale