SCIENCE
ZOOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Superclass Agnatha
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Class Osteichthyes
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Class Chondrichthyes
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Superclass Gnathostomata
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Detailed explanation-1: -Chondrichthyes is a class of jawed fishes having a cartilaginous skeleton. The class includes a diverse group of fishes including sharks, rays, skates and chimaeras. They are mostly marine fishes. The other group of fishes are bony fishes, which are included in the class Osteichthyes.
Detailed explanation-2: -Cartilaginous fishes (chondrichthyes) represent the oldest surviving jawed vertebrates and, as the name suggests, have a skeleton made out of cartilage. They include sharks, rays, and skates (elasmobranchii) and chimeras (holocephali).
Detailed explanation-3: -Rays, skates, and sharks all belong to the class Chondrichthyes (Greek, chondro meaning cartilage and ichthosmeaning fish). Characteristics of Chondrichthyes include a skeleton made of cartilage, jaws, paired fins, and paired nostrils. The subclass Elasmobranchii includes sharks, rays, and skates.
Detailed explanation-4: -chondrichthyan, (class Chondrichthyes), also called chondrichthian, any member of the diverse group of cartilaginous fishes that includes the sharks, skates, rays, and chimaeras.
Detailed explanation-5: -Blacktip Reef Shark. Bonnethead Shark. Electric Rays. Epaulette Shark. Great White Shark. Leopard Shark. Nurse Shark. Rays. More items