living organisms
see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: 4k;54p;156c;911o;7123f;17,575g;4762s;36ss;8v;19; ‡1f;6g;7s;1ss; †1c;10o;10f;19g;1s
Superkingdom Eukaryotae
see Domain Eukaryota Chatton, 1925
Count: [c] 2k;51p;154c;900o;7001f;17,209g;4300s;33ss;8v; ‡1f;6g;7s;1ss; †1c;10o;10f;19g;1s
Kingdom Animalia Linnaeus, 1758 - animals
Count: [c] 38p;101c;595o;5766f;13,419g;3233s;32ss;3v; ‡1f;6g;7s;1ss; †1c;9o;10f;16g;1s
Subkingdom Eumetazoa Butschli, 1910
see [unranked] Eumetazoa Bütschli, 1910
Count: [c] 29p;70c;458o;5094f;11,476g;2933s;31ss;3v; ‡1f;6g;7s;1ss; †1c;8o;10f;11g;1s
Phylum Chordata Bateson, 1885 - chordates
Count: [o] 10c;115o;905f;3134g;786s;13ss; ‡1f;6g;7s;1ss; †1c;3o;2f;1g
Subphylum Vertebrata Cuvier, 1812 - vertebrates
Count: [f] 7c;109o;885f;3075g;781s;13ss; ‡1f;6g;7s;1ss; †1c;3o;2f;1g
Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
Count: 14o;51f;133g;15s
Subclass Elasmobranchii Bonaparte, 1838 - shark-like fishes
Count: [f] 13o;48f;127g;14s
Cohort Euselachii Hay, 1902 - spined sharks and relatives
see Infraclass Euselachii Hay, 1902
Count: [f] 13o;48f;127g;14s
Subcohort Neoselachii Compagno, 1977 - modern sharks and rays
see Cohort Neoselachii Compagno, 1977
Count: [f] 13o;48f;127g;14s
Superorder Batoidea - rays
see Subdivision Batoidea
Count: [f] 5o;19f;46g;8s
Order Torpediniformes - electric rays
Count: [g] 4f;10g;2s
Superfamily Narcinoidea
see Family Narcinidae Gill, 1862
Count: [g] 2f;8g;1s
1 Family Narcinidae Gill, 1862
Count: [g] 4g;1s
2 Family Narkidae Fowler, 1934
see Subfamily Narkinae
Count: [g] 4g