What was the significance of the structure of the coelacanth pectoral and pelvic fins?

The structure of the coelacanth's pectoral and pelvic fins is significant because it exhibits a unique arrangement of bones that is similar to the limb structure of early tetrapods. This anatomical feature suggests that coelacanths are closely related to the ancestors of land vertebrates and provides insight into the evolutionary transition from aquatic to terrestrial life. Their lobed fins allow for greater maneuverability and may have played a role in the development of limb-like functions. Thus, the coelacanth serves as a crucial link in understanding vertebrate evolution.