Author:
Jan Scholten
Book:
Qjurious
Type:
info
Chapter:
4-523.00.00
Chondrichthyes
English: Cartilaginous fishes.
Clades: Hemichordata; Deuterostomia; Animals.
Zoology
Chondrichthyes are cartolagenous fish. They are jawed fish, with paired fins, paired nares, scales, two-chambered hearts, skeletons made of cartilage rather than bone. Cartilagenous fish eg sharks, rays, and skates have cartilage skeletons instead of bone.
Orders
1 Holocephali: Chimaeras
2 Batoidea: Ray fish
3 Selachimorpha: Sharks.