A fish of a large class distinguished by a skeleton of bone, and comprising the majority of modern fishes. Compare with cartilaginous fish.
- Class Osteichthyes: two or three subclasses.
- By the late Devonian, 360 million years ago, early cartilaginous fish and bony fish were diversifying.
- Dr Tyler says there is some agreement that the common ancestor was a bony fish (class Osteichthyes).
- These advances culminated in the modern bony fish, or teleosts, which show a tremendous diversity of mouth parts and feeding specializations.
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