Bazsites.com Cartilaginous

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Cartilaginous Fishes: Class Chondrichthyes - The most distinctive feature of this class is that their entire skeleton, including the skull, is cartilaginous without any true bone. The class include the sharks and rays, many of which are described here.
Shark-L - Archives of the e-mail group for discussion of sharks and cartilaginous fish.
Skate - Photographs and information from Wikipedia on these cartilaginous fish belonging to the family Rajidae.
Class Chondrichthyes - Taxonomic information on cartilaginous fishes: sharks, rays and chimaeras.
Introduction to the Chondrichthyes - UCMP Berkeley's introduction to the cartilaginous fish, including sharks.
Hydrolagus colliei (Spotted Ratfish) - Images of a preserved specimen of this species, including an enlargement of the tooth plates.
Chimaeroids - Painting by Roy Troll of Hydrolagis trolli, a newly named species, and information on the fossil remains of ratfish from the Smoky Hill Chalk.
Spotted Ratfish: Hydrolagus colliei - Two clear photographs of this species from Cold Water Images.
Spotted Ratfish - Photographs and information from Wikipedia on this interesting species, Hydrolagus colliei, which gets its name from its pointed rat-like tail.
Australian Ghost Shark - Photograph and information on this fish, Callorhinchus milii, which is known as the elephant fish in Australia and New Zealand where it is found.

Chondrichthyes - The Chondrichthyes or cartilaginous fishes are jawed fish with paired fins, paired nostrils, scales, two-chambered hearts, and skeletons made of cartilage rather than bone. They are divided into two subclasses: Elasmobranchii (sharks, rays and skates) and Holocephali (chimaera, sometimes called ghost sharks).
Bradyodonti - Bradyodonti is an order of cartilaginous fishes (class Chondrichthyes) that lived in the Paleozoic Era. They first appeared toward the end of the Devonian Period, were present through the Carboniferous Period, and became extinct by the end of the Permian Period.
Listracanthus - Listracanthus is a genus of extinct cartilaginous fish related to Edestus. They are known primarily from their tremendous, feather-like denticles, which range up to four inches in length.
Belantsea montana - Belantsea montana (named after a legendary ancestor of the Crow Nation) was a peculiar-looking cartilaginous fish that lived during the Lower Carboniferous. Its fossils are found in the Bear Gulch Limestone lagerstätte.
Edestus - Edestus is a genus of shark-like cartilaginous fish that lived throughout the world's oceans during the late Carboniferous. All of the species are known only from their teeth.