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Rostroraja
genus, sharks & rays
Nucleotide Protein
Carcharodon
Rajiformes
(skates), order, sharks & rays
unclassified Squalus
sharks & rays
Hexanchidae
(cow sharks), family, sharks & rays
Dasyatoidea
superfamily, sharks & rays
Myliobatiformes
order, sharks & rays
Dipturus
Leucoraja
Hexanchus
Torpediniformes
Batoidea
(rays), superorder, sharks & rays
Dalatiidae
(sleeper sharks), family, sharks & rays
Oxynotidae
family, sharks & rays
Somniosidae
Centrophoridae
Squalomorphii
clade, sharks & rays
Alopiinae
(thresher sharks), subfamily, sharks & rays
Galeus
Dasyatidae
(stingrays), family, sharks & rays
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