Osteichthyes facts for kids
Quick facts for kids Bony fishTemporal range: Late Silurian - Recent
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Osteichthyes
Huxley, 1880
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Osteichthyes are a taxonomic superclass of fish, also called bony fish that includes the ray-finned fish (Actinopterygii) and lobe finned fish (Sarcopterygii). The split between these two classes occurred around 440 million of years. The Osteichthyes are paraphyletic with land vertebrates, in some classification schemes the tetrapods are considered to be members of the Osteichthyes for this reason. Osteichthyes are the most various group of vertebrates, consisting of over 29,000 species, making them the largest class of vertebrates in existence today.
Phylogeny
The phylogeny of living Osteichthyes, including the tetrapods, is shown in the cladogram.
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Images for kids
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Guiyu oneiros, the earliest known bony fish, lived during the Late Silurian, 425 million years ago. It has a combination of both ray-finned and lobe-finned features, although analysis of the totality of its features place it closer to lobe-finned fish.
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Ocean sunfish is the heaviest bony fish in the world
See also
In Spanish: Osteichthyes para niños
