The two coelacanth species alive today, Latimeria chalumnae and Latimeria menadoensis, are more closely related to other early fish, such as lungfish, than they are to today's modern ray-finned fish.

Species: African coelacanth (Latimeria chalumnae) Genome size: ~2.86 billion base pairs The African coelacanth (Latimeria chalumnae) was thought to have gone extinct around 70 million years ago until ...