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| Teleost Temporal range: Triassic – Recent
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|---|---|
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| Retroculus (Cichlidae); Hairy Blenny, Labrisomus; Ogcocephalus and Acanthurus | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Subclass: | Neopterygii |
| Infraclass: | Teleostei |
Teleosts are the dominant fish of the present day. They arose in the Mesozoic era, and include 20,000 living species. The oldest teleost fossils date back to the late Triassic. They evolved from fish like bowfins in the clade Holostei. During the Mesozoic and Cainozoic they diversified. 96 percent of all known fish species are teleosts.
They are, in order of evolution, vertebrates, jawed fish (Gnathostomata), bony fish (Osteichthyes) and ray-finned fish (Actinopterygii).[1][2][3]
- ↑ "FishBase". 2006.
- ↑ Nelson, Joseph S. 2006. Fishes of the world. Wiley, N.Y. ISBN 0471250317.
- ↑ Helfman G. Collette B. & Facey D. 1997. The diversity of fishes. Blackwell, Oxford. ISBN 0-86542-256-7