Chondrichthyes

5天前—...Chondrichthyes,thecartilaginousfishes.Underthissystem,whichisusedinthepresentarticle,thesharks,skates,andraysarefurther ...,Chondrichthyesisaclassofjawedfishthatcontainsthecartilaginousfishorchondrichthyians,whichallhaveskeletonsprimarilycomposedofcartilage.,Chondrichthyesisaclassthatcontainssharks,skates,raysandchimeras.Theyarejawedvertebrates,withskeletonsmadeofcartilageinsteadofbon...

參考資訊如下
Chondrichthyan

5 天前 — ... Chondrichthyes, the cartilaginous fishes. Under this system, which is used in the present article, the sharks, skates, and rays are further ...

Chondrichthyes

Chondrichthyes is a class of jawed fish that contains the cartilaginous fish or chondrichthyians, which all have skeletons primarily composed of cartilage.

Chondrichthyes - an overview

Chondrichthyes is a class that contains sharks, skates, rays and chimeras. They are jawed vertebrates, with skeletons made of cartilage instead of bone. The ...

Chondrichthyes

Species in this class have paired fins, hard scales, a two-chambered heart, and a pair of nostrils. Most species have 5-7 gill slits on each side of their body.

Chondrichthyes

Chondrichthyes or cartilaginous fishes are the sharks and their relatives. They have jaws and paired fins, paired nostrils, scales, two-chambered hearts, ...

Chondrichthyes

Chondrichthyes is a class of jawed fishes having a cartilaginous skeleton. The class includes a diverse group of fishes including sharks, rays, skates and ...

Introduction to the Chondrichthyes

Members of the Chondrichthyes all lack true bone and have a skeleton made of cartilage (the flexible material you can feel in your nose and ears). Only their ...