types of bony fish
Characteristics and Classification of Bony Fish: Some documents refer to the bony fish as the Osteichthyes, which used to be recognized as a class of organisms. Osteichthyes is still used commonly to refer to the two main types of bony fish: 1  Ray-finned fishes, or Actinopterygii.2  Lobe-finned fishes, or Sarcopterygii, which includes the coelacanths and lungfishes.haracteristics and Classification of Bony Fish: Some documents refer to the bony fish as the Osteichthyes, which used to be recognized as a class of organisms. Osteichthyes is still used commonly to refer to the two main types of bony fish: 1  Ray-finned fishes, or Actinopterygii.