[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Osteichthyes Huxley, 1880 - bony fishes and tetrapods see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
       Order Gadiformes Goodrich, 1909 - cods and hakes
         Family Lotidae Bonaparte, 1835 - hakes and burbots
           Genus Gaidropsarus Rafinesque, 1810
             1 Gaidropsarus argentatus (Reinhardt, 1837) - arctic rockling
             2 Gaidropsarus biscayensis (Collett, 1890) - Mediterranean bigeye rockling
             3 Gaidropsarus ensis (Reinhardt, 1837) - arctic threebeard rockling
             4 Gaidropsarus granti (Regan, 1903) - Azores rockling
             5 Gaidropsarus guttatus (Collett, 1890)
             6 Gaidropsarus macrophthalmus (Günther, 1867) - bigeye rockling
             7 Gaidropsarus mediterraneus (C. Linnaeus, 1758) - Mediterranean three-barbeled rockling
             8 Gaidropsarus vulgaris (Cloquet, 1824) - threebeard rockling