An ancient fish in the subclass Actinistia (within the class Sarcopterygii), coelacanths have lobe fins that function like primitive limbs. The oldest fossils of these fish date back more than 410 ...

An ancient fish in the subclass Actinistia (within the class Sarcopterygii), coelacanths have lobe fins that function like primitive limbs. The oldest fossils of these fish date back more than 410 ...

These creatures have been able to survive for an incredibly long time, remaining inconspicuous. Coelacanths belong to the subclass Actinistia within the class Sarcopterygii and possess lobe fins that ...