1. Appendicular Skeleton
Comparative Anatomy
Biology 351

2. Appendicular skeleton
Girdles: Pectoral and Pelvic
Limbs, Fins, Wings

3. Sarcopterygii: crossopterygii
-Flesh-lobed fins -skeletal structure similar to fish ancestor of tetrapods

4. Coelocanth

6. Tiktaalik

7. Tiktaalik

9. Limb Development

11. Pectoral Fin
Basal cartilages
Rays
Radial cartilages
Pectoral Girdle

12. Dorsal Fins
Spine
Radial cartilages
Basal cartilages
Rays

14. Pelvis

15. Pectoral girdle of Dinosaurs

18. Shares reptilian and bird characteristics

19. Wing Structure