Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Biota
           "neomura"
             Domain Eukaryota Chatton, 1925 - eukaryotes
               neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 neozoa Cavalier-Smith 1993
                   scotokaryotes Cavalier-Smith 2000
                     podiates Cavalier-Smith 2012 [nom. cl. nov.]
                       Amorphea Adl et al. 2012 [nom. cl. nov.]
                         Opisthokonta Cavalier-Smith 1987
                           Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
                                 Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004 [nom. cl. nov.]
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                     Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002 [nom. cl. nov.]
                                       Infrakingdom Deuterostomia Grobben, 1908
                                         Phylum Chordata Bateson, 1885 - chordates
                                           Subphylum Vertebrata Cuvier, 1812 - vertebrates
                                             [crown] Myopterygii - myopterygians
                                               Superclass Gnathostomata Zittel, 1879 - jawed vertebrates
                                                 Grade Teleostomi Bonaparte, 1836
                                                   Euteleostomi - bony vertebrates
                                                     Class Actinopterygii Woodward, 1891 - ray-finned fishes
                                                       [crown] Actinopteri Cope, 1871
                                                         Subclass Chondrostei Müller, 1844 [monophyletic?]
                                                           Order Acipenseriformes Berg, 1940 - sturgeons
                                                             Suborder Acipenseroideiᵀ
                                                               Family Acipenseridaeᵀ Bonaparte, 1832 - sturgeons
                                                                 Subfamily Acipenserinaeᵀ Bonaparte, 1832
                                                                   Tribe Acipenseriniᵀ Bonaparte, 1832 [monotypic]
                                                                     Genus Acipenserᵀ Linnaeus, 1758
                                                                       †Acipenser albertensis Lambe, 1902
                                                                       Acipenser baerii Brandt, 1869
                                                                       Acipenser brevirostrum Lesueur, 1818 - pinkster
                                                                       Acipenser dabryanus Duméril, 1869 - Yangtze sturgeon
                                                                       Acipenser fulvescens Rafinesque, 1817 - lake sturgeon
                                                                       Acipenser gueldenstaedtii Brandt, 1833 - Azov-Black Sea sturgeon
                                                                       Acipenser medirostris Ayres, 1854 - green sturgeon
                                                                       Acipenser mikadoi Hilgendorf, 1892 - Sakhalin sturgeon
                                                                       Acipenser multiscutatus Tanaka, 1908 - Japanese sturgeon
                                                                       Acipenser naccarii Bonaparte, 1836 - Adriatic sturgeon
                                                                       Acipenser nudiventris Lovetsky, 1828 - ship sturgeon
                                                                       †Acipenser ornatus Leidy, 1873
                                                                       Acipenser oxyrinchus Mitchill, 1814
                                                                       Acipenser persicus Borodin, 1897 - Persian sturgeon
                                                                       Acipenser ruthenus Linnaeus, 1758 - sterlet
                                                                       Acipenser schrenckii Brandt, 1869 - Amur sturgeon
                                                                       Acipenser sinensis Gray, 1835 - Chinese sturgeon
                                                                       Acipenser stellatus Pallas, 1771 - sevruga
                                                                       Acipenser sturio Linnaeus, 1758 - common sturgeon
                                                                       †Acipenser toliapicus Agassiz, 1844
                                                                       Acipenser transmontanus Richardson, 1836 - white sturgeon