Dichotomous Key/Selachimorpha

Selachimorpha
Selachimorpha
KingdomAnimalia
PhylumChordata
SubphylumVertebrata
ClassChondrichthyes
SubclassElasmobranchii
SuperorderSelachimorpha

Information related to Selachimorpha

Wikipedia • Wikispecies •

Wikicommons

1

  • Anal fin
    • Present - #2
    • Not present - #3

2

3

  • Body shape
    • Flattened - Squatiniformes
    • Fusiform - #4

4

  • Snout length
    • Short - Squaliformes
    • Long - Pristiophoriformes

5

  • Fin spines
    • Present - Heterodontiformes
    • Not present - #6

6

  • Mouth position
    • In front of eyes - Orectolobiformes
    • Behind eyes - #7

7

  • Nictitating membrane
    • Present - Carcharhiniformes
    • Not present - Lamniformes
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