Class Elasmobranchii  World Marine Species

Swedish:  Hajartade fiskar
Dutch:  Kraakbeenvissen

Class Description

Cartilaginous fish, that includes the sharks, the rays and skates. The species of this class has five to seven pairs of gill clefts opening individually to the exterior, rigid dorsal fins, small placoid scales, the teeth are in several series and doesn't have air bladder. The upper jaw is not fused to the cranium, and the lower jaw is articulated with the upper.

Marine Species Photos of Elasmobranchii

Taxonomic Structure

Kingdom
Phylum
Class
Order
Family
Genus
Species
Kingdom: Animalia (195,267 species)
Phylum: Chordata (22,185 species)
Class: Elasmobranchii (1,129 species)

Content from the Wikipedia article ( contributors) licensed under CC-BY-SA

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