A class of fishes that includes those with a bony skeleton.Compare with Chondrichthyes
- ‘The other two large groups are the class of Crustacea (Shrimp, Lobster, Crab) and Osteichthyes (bony fish).’
- ‘The division Teleostei within the Osteichthyes (bony fish) is made up of 38 orders.’
- ‘Our analyses also give a strong support for the separation of Chondrichthyes (cartilaginous fishes) before the divergence of Osteichthyes (bony fishes) from the other gnathostomes.’
- ‘Gill rakers are found in both chondrichthyans and in Osteichthyes, as well as acanthodians.’
- ‘Jawed vertebrates are divided again into two groups, the cartilaginous Chondrichthyes (represented by sharks, rays, and chimeras) and the bony Osteichthyes.’
Modern Latin (plural), from Greek osteon bone + ikhthus fish.