[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 Acipenseriformes Berg, 1940 - paddlefishes and sturgeons
         Family Acipenseridae Bonaparte, 1831 - sturgeons
           Genus Acipenser Linnaeus, 1758
             1 Acipenser gueldenstaedtii Brandt, 1833 - Azov-Black Sea sturgeon
             2 Acipenser naccarii Bonaparte, 1836 - Adriatic sturgeon
             3 Acipenser nudiventris Lovetsky, 1828 - ship sturgeon
             4 Acipenser stellatus Pallas, 1771 - sevruga
             5 Acipenser sturio Linnaeus, 1758 - common sturgeon