Chondrichthyes

Examples of Chondrichthyes in the following topics:

• Gnathostomes: Jawed Fishes

  • Gnathostomes, jawed vertebrates, can be divided into two types of fish: Chondrichthyes (cartilaginous fish) or Osteichthyes (bony fish).
  • Most modern gnathostomes belong to the clades Chondrichthyes and Osteichthyes.
  • The clade Chondrichthyes consists of sharks, rays, and skates, together with sawfishes and a few dozen species of fishes called chimaeras, or "ghost," sharks .
  • Chondrichthyes are jawed fishes that possess paired fins and a skeleton made of cartilage.
  • As members of Chondrichthyes, their skeletons are composed of cartilage.

• Characteristics of Vertebrates

  • The traditional groups include Agnatha, Chondrichthyes, Osteichthyes, Amphibia, Reptilia, Aves, and Mammalia.