Imperium naturæ C. Linnaeus, 1758 - nature
   Mundus Plinius - physical world
     naturalia - natural bodies
       Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Pisces Linnaeus, 1758 see Superclass Pisces Linnaeus, 1758
           Order Jugulares Linnaeus, 1758
             Genus Ophidion Linnaeus, 1758
               1 Ophidion barbatum Linnaeus, 1758 - snake blenny
               2 Ophidion imberbe Linnaeus, 1758 see Pholis gunnellus (C. Linnaeus, 1758)
               3 Ophidion macrophthalmum Linnaeus, 1758 see Cepola macrophthalma (C. Linnaeus, 1758)