| | ADW: Actinopterygii: Information |
 | | The rest of the actinopterygians, which includes the vast majority of species, are in the subclass Neopterygii: “In their great numbers and degree of anatomical diversity, the modern ray-finned fishes may be considered the most successful of all vertebrates” (Caroll, 1986:136 in Helfman et. |
 | | Further, modern teleosts represent the culmination of continuous ‘improvements’ on the basic fish design, within the Neopterygii. |
 | | Investigators have traced these changes in the basic fish design with the aid of the fossil record, and have identified important trends in actinopterygian evolution. |
| animaldiversity.ummz.umich.edu /site/accounts/information/Actinopterygii.html (6444 words) |