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Osteichthyes, also called bony fish, are a taxonomic group of fish that includes the ray-finned fish (Actinopterygii) and lobe-finned fish (Sarcopterygii). The split between these two classes occurred about 450 million years ago.[1]

References[]

  1. ^ Dawkins, Richard. The Ancestor's Tale. ISBN 0297825038. 


Acanthodii
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