Dichotomous Key/Hexanchiformes

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Dichotomous Key
Hexanchiformes
Kingdom Animalia
Phylum Chordata
Subphylum Vertebrata
Class Chondrichthyes
Subclass Elasmobranchii
Superorder Selachimorpha
Order Hexanchiformes

1

2

  • Number of gills
    • Six - #3
    • Seven - #4

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4