Chondrichthyan | Definition, Species, & Facts | Britannica
2024年11月15日 · chondrichthyan, (class Chondrichthyes), any member of the diverse group of cartilaginous fishes that includes the sharks, skates, rays, and chimaeras. The class is one of …
Chondrichthyes - Wikipedia
Chondrichthyes (/ kɒnˈdrɪkθiiːz /; from Ancient Greek χόνδρος (khóndros) 'cartilage' and ἰχθύς (ikhthús) 'fish') is a class of jawed fish that contains the cartilaginous fish or chondrichthyans, …
Chondrichthyes: Classification, Characteristics and Examples
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 …
Evolution and classification - Encyclopedia Britannica
2024年11月15日 · Chondrichthyan - Cartilaginous Fish, Elasmobranchs, Holocephali: The placoderms evidently gave rise to the bony and cartilaginous fishes. Possible chondrichthyan …
Chondrichthyes – Characteristics, Classification & Examples
2024年4月12日 · Chondrichthyes are a class of fish that includes sharks, rays, and chimaeras. They are characterized by their skeleton made of cartilage instead of bone.
Chondrichthyan - Cartilaginous, Sharks, Rays | Britannica
2024年11月15日 · Class Chondrichthyes. Subclass Elasmobranchii (sharks and rays) Chondrichthyans with 5–7 pairs of gill clefts not covered by a fold of skin, opening separately …
Cartilaginous Fish - Characteristics, Classification, & Examples
2024年9月2日 · Cartilaginous fish, or chondrichthyans, are jawed aquatic vertebrates distinguished by their cartilaginous skeletons. Unlike the bony fish of the class Osteichthyes, …