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 Abdominales Linnaeus, 1758
             Genus Cobitis Linnaeus, 1758
               1 Cobitis anableps Linnaeus, 1758 see Anableps anableps (C. Linnaeus, 1758)
               2 Cobitis barbatula Linnaeus, 1758 see Barbatula barbatula (Linnaeus, 1758)
               3 Cobitis taenia Linnaeus, 1758
               4 Cobitis fossilis Linnaeus, 1758 see Misgurnus fossilis (Linnaeus, 1758)