Order Procellariiformes Fürbringer, 1888
   Family Diomedeidae Gray, 1840 - albatrosses
     Genus Diomedea Linnaeus, 1758
       Subgenus Thalassogeron {Ridgway, 1884} see Genus Thalassarche Reichenbach, 1853
         Diomedea (Thalassogeron) cauta Gould, 1841(1840) see Thalassarche cauta (Gould, 1841)
           1 Diomedea (Thalassogeron) cauta cautaᵀ Gould, 1841 see Thalassarche cauta cauta (Gould, 1841)
           2 Diomedea (Thalassogeron) cauta salvini (Rothschild, 1893) see Thalassarche cauta salvini (Rothschild, 1893)
           3 Diomedea (Thalassogeron) cauta eremita (Murphy, 1930) see Thalassarche cauta eremita Murphy, 1930