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

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
This article is issued from Wikibooks. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.