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 Thoracici Linnaeus, 1758
             Genus Gobius Linnaeus, 1758
               1 Gobius niger Linnaeus, 1758 - black goby
               2 Gobius paganellus Linnaeus, 1758 - rock goby
               3 Gobius eleotris Linnaeus, 1758
               4 Gobius aphya Linnaeus, 1758
               5 Gobius jozo Linnaeus, 1758 see Gobius niger Linnaeus, 1758
               6 Gobius pectinirostris Linnaeus, 1758 see Boleophthalmus pectinirostris (C. Linnaeus, 1758)
               7 Gobius anguillaris Linnaeus, 1758 see Taenioides anguillaris (C. Linnaeus, 1758)