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Squaliformes
order, sharks & rays
Nucleotide Protein
Heptranchias
genus, sharks & rays
Centrophorus
Selachii
(sharks), infraclass, sharks & rays
Galeomorphii
clade, sharks & rays
Heterodontoidea
superorder, sharks & rays
Galeoidea
Alopiinae
(thresher sharks), subfamily, sharks & rays
Squalomorphii
Centrophoridae
family, sharks & rays
Batoidea
(rays), superorder, sharks & rays
Myliobatiformes
Dasyatoidea
superfamily, sharks & rays
Hexanchus
Urobatis
Urotrygonidae
(American round stingrays), family, sharks & rays
Squatina
Squatinidae
(angel sharks), family, sharks & rays
Squatiniformes
Pristiophorus
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