by Peter Rowland | Sunday, November 8, 2020
Bony Fishes (Class: Actinopterygii) The ray-finned fishes Actinopterygii are the largest assemblage of all vertebrate groups, with over 29,000 species known. Together with the Sarcopterygii, the lobe-finned fishes and tetrapods, they are the bony fishes or...
