List of prehistoric cartilaginous fish and Shark

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Difference between List of prehistoric cartilaginous fish and Shark

List of prehistoric cartilaginous fish vs. Shark

This list of prehistoric cartilaginous fish is an attempt to create a comprehensive listing of all genera that have ever been included in the class chondrichthyes and are known from the fossil record. Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head.

Angelshark

The angelsharks are a group of sharks in the genus Squatina in the family Squatinidae, which are unusual in having flattened bodies and broad pectoral fins that give them a strong resemblance to rays.

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Basking shark

The basking shark (Cetorhinus maximus) is the second-largest living shark, after the whale shark, and one of three plankton-eating shark species, along with the whale shark and megamouth shark.

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Bullhead shark

The bullhead sharks are a small order (Heterodontiformes) of basal modern sharks (Neoselachii).

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Chimaera

Chimaeras the order Chimaeriformes, known informally as ghost sharks, rat fish (not to be confused with the rattails), spookfish (not to be confused with the true spookfish of the family Opisthoproctidae), or rabbit fish (not to be confused with the family Siganidae).

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Chondrichthyes

Chondrichthyes (from Greek χονδρ- chondr- 'cartilage', ἰχθύς ichthys 'fish') is a class that contains the cartilaginous fishes: they are jawed vertebrates with paired fins, paired nares, scales, a heart with its chambers in series, and skeletons made of cartilage rather than bone.

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Cladoselache

Cladoselache is a genus of extinct shark.

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Elasmobranchii

Elasmobranchii is a subclass of Chondrichthyes or cartilaginous fish, including the sharks (superorder Selachii) and the rays, skates, and sawfish (superorder Batoidea).

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Isistius

Isistius is a genus of dogfish sharks in the family Dalatiidae.

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Isurus

Isurus is a genus of mackerel sharks in the family Lamnidae, commonly known as the mako sharks.

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List of sharks

Sharks belong to the superorder Selachimorpha in the subclass Elasmobranchii, in the class Chondrichthyes.

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Megalodon

Megalodon (Carcharocles megalodon), meaning "big tooth", is an extinct species of shark that lived approximately 23 to 2.6 million years ago (mya), during the Early Miocene to the end of the Pliocene.

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Megamouth shark

The megamouth shark (Megachasma pelagios) is a species of deepwater shark.

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River shark

Glyphis is a genus in the family Carcharhinidae, commonly known as the river sharks.

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School shark

The school shark (Galeorhinus galeus) is a houndshark of the family Triakidae, and the only member of the genus Galeorhinus. Common names also include tope shark, snapper shark, and soupfin shark. It is found worldwide in temperate seas at depths down to about. It can grow to nearly long. It feeds both in midwater and near the seabed, and its reproduction is ovoviviparous. This shark is caught in fisheries for its flesh, its fins, and its liver, which has a very high vitamin A content. The IUCN has classified this species as "vulnerable" in its Red List of Threatened Species.

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Smooth-hound

Mustelus also known as the smooth-hounds is a genus of sharks in the family Triakidae.

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Thresher shark

Thresher sharks are large lamniform sharks of the family Alopiidae found in all temperate and tropical oceans of the world; the family contains four species, all within the genus Alopias.

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Whitetip reef shark

The whitetip reef shark (Triaenodon obesus) is a species of requiem shark, in the family Carcharhinidae, and the only member of its genus.

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Xenacanthus

Xenacanthus is a genus of prehistoric sharks.

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