Imperium naturae C. Linnaeus, 1758 - nature
   Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
     Class Amphibia Linnaeus, 1758 - amphibians see Class Amphibia Gray, 1825
       Order Nantes Linnaeus, 1758
         129 Genus Petromyzon Linnaeus, 1758
         130 Genus Raja Linnaeus, 1758 - skates
         131 Genus Squalus Linnaeus, 1758 - spiny dogfishes
         132 Genus Chimaera Linnaeus, 1758
         133 Genus Lophius Linnaeus, 1758
         134 Genus Acipenser Linnaeus, 1758
         135 Genus Balistes Linnaeus, 1758 - triggerfish
         136 Genus Ostracion Linnaeus, 1758
         137 Genus Tetrodon Linnaeus, 1758 see Genus Tetraodon Linnaeus, 1758
         138 Genus Diodon Linnaeus, 1758 - porcupinefish
         139 Genus Cyclopterus Linnaeus, 1758
         140 Genus Centriscus Linnaeus, 1758 - shrimpfish
         141 Genus Syngnathus Linnaeus, 1758 - pipefish
         142 Genus Pegasus Linnaeus, 1758