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Class Chondrichthyes
This class includes sharks and their relatives (sharks, rays, chimaeras). They are also termed as elasmobranches because of their flexible endoskeleton made up of cartilage instead of bones. More >>
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Chondrichthyes - Wikipedia

en.wikipedia.org/wiki/Chondrichthyes

Chondrichthyes is a class that contains the cartilaginous fishes: they are jawed vertebrates with paired fins, paired nares, scales, a heart with its chambers in ...

Introduction to the Chondrichthyes

www.ucmp.berkeley.edu/vertebrates/basalfish/chondrintro.html

Sharks, skates, rays, and even stranger fish make up the Chondrichthyes, or " cartilaginous fish." First appearing on Earth almost 450 million years ago, ...

chondrichthian | fish class | Britannica.com

www.britannica.com/animal/chondrichthian

Apr 1, 2010 ... Chondrichthyes any member of the diverse group of cartilaginous fishes that includes the sharks, skates, rays, and chimaeras. The class is one ...

Chondrichthyes - Rays, Sharks, Skates, Chimaeras | Wildlife Journal ...

www.nhptv.org/wild/Chondrichthyes.asp

There are around 1000 species in this class of fish. The species in this class have a flexible skeleton made of cartilage instead of bone. Cartilage is the flexible ...

Chondrichthyes | Natural History of Vertebrates

vertebrates.voices.wooster.edu/chondrichthyes/

The Chondrichthyes are considered the oldest existing jawed-vertebrates related to bony vertebrates (Osteichthyes) [2][4]. The earliest dated Chondricthyes ...

ADW: Chondrichthyes: CLASSIFICATION

animaldiversity.org/accounts/Chondrichthyes/classification/

Taxonomic information on cartilaginous fishes: sharks, rays and chimaeras.

Chondrichthyes - UCL

www.ucl.ac.uk/museums-static/obl4he/vertebratediversity/chondrichthyes.html

The class Chondrichthyes comprises almost 1050 extant species ofcartilaginous fishes, encompassing skates, sharks, rays, andchimaeras. The class contains ...

Chondrichthyes (cartilaginous fish, including sharks, rays ...

www.biodiversityexplorer.org/chondrichthyes/

Cartilaginous fishes (Class Chondrichthyes, from Greek chondros, cartilage, and ichthos, fish) are a class of aquatic, gill-breathing, finned vertebrates (animals ...

Chondrichthyes - New World Encyclopedia

www.newworldencyclopedia.org/entry/Chondrichthyes

Apr 2, 2008 ... The Chondrichthyes or cartilaginous fishes are a major class of jawed ... As fish, members of Chondrichthyes are poikilothermic (cold-blooded), ...