Class
Elasmobranchii
755 species in this taxon
Elasmobranchii (Elasmobranchii) is a class of organisms united by key anatomical and physiological traits. It contains 10 orders with 755 known species. Key order groups include Heterodontiformes, Hexanchiformes, Myliobatiformes, Orectolobiformes, Pristiophoriformes, and Rajiformes. Among its members, 239 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Chordates (Chordata).
Child Taxa
Order
Heterodontiformes
Heterodontiformes
9 species
Order
Hexanchiformes
Hexanchiformes
6 species
Order
Myliobatiformes
Myliobatiformes
182 species
Order
Orectolobiformes
Orectolobiformes
44 species
Order
Pristiophoriformes
Pristiophoriformes
7 species
Order
Rajiformes
Rajiformes
260 species
Order
Rhinopristiformes
Rhinopristiformes
52 species
Order
Squaliformes
Squaliformes
120 species
Order
Squatiniformes
Squatiniformes
21 species
Order
Torpediniformes
electric ray
54 species