Superphylum Deuterostomia Grobben, 1908 - deuterostomes
see Infrakingdom Deuterostomia Grobben, 1908
Phylum Chordata Bateson, 1885 - chordates
Subphylum Craniata auct.
Vertebrata Lamarck, 1801 - vertebrates
see Infraphylum Vertebrata Lamarck, 1801
Myopterygii Janvier, 1978 - myopterygians
Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
Grade Chondrichthiomorphi
see Grade Chondrichthyomorphi
Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
Subclass Elasmobranchii Bonaparte, 1838 - shark-like fishes
see Infraclass Elasmobranchii Bonaparte, 1838
Order †Squatinactiformes Zangerl, 1981, incertae sedis [monotypic]
Family †Squatinactidae Lund & Zangerl, 1974
1 Genus †Squatinactis Lund & Zangerl, 1974