Chondrichthyes

Chondrichthyesisaclassofjawedfisheshavingacartilaginousskeleton.Theclassincludesadiversegroupoffishesincludingsharks,rays,skatesand ...,Chondrichthyesisaclassofjawedfishthatcontainsthecartilaginousfishorchondrichthyians,whichallhaveskeletonsprimarilycomposedofcartilage.,Speciesinthisclasshavepairedfins,hardscales,atwo-chamberedheart,andapairofnostrils.Mostspecieshave5-7gillslitsoneachsideofthe...

參考資訊如下
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 ...

Chondrichthyes

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

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, ...

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 ...

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 - 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 ...