English: Bony fishes.
Synonym: Pisces.
Zoology: pisces are the fishes.
CladesActinopterygii: ray-finned fish.
Sarcopterygii: lobe finned fish.
The split between these two classes occurred about 450 million years ago.
TaxonomyThe vast majority of fish are osteichthyes.
Osteichthyes are an extremely diverse and abundant group consisting of over 29,000 species, making them the largest class of vertebrates in existence today.
Osteichthyes are paraphyletic, with land vertebrates, due to the inclusion of
Sarcopterygii.
Osteichthyes is a class of vertebrates. Most bony fish belong to the
Actinopterygii.