COMPARATIVE ANATOMY: PECTORAL GIRDLE OF REPTILE, BIRD AND MAMMAL

The pectoral girdle is connected to the vertebral column through muscles and ligaments. The pectoral girdle consists of two similar halves and each half is formed by three bones namely dorsal, ventral and antero ventral. The dorsal bone is known as scapula, the antero ventral bone is called clavicle

PECTORAL GIRDLE-REPTILE-BIRD-MAMMAL- COMPARATIVE ANATOMY

Digital restoration of the pectoral girdles of two Early Cretaceous birds and implications for early-flight evolution

Pectoral and Pelvic Girdles – Morphology of the Vertebrate Skeleton

Comparative Anatomy of the Shoulder

Bird - Skeleton, Flight, Feathers

Digital restoration of the pectoral girdles of two Early Cretaceous birds and implications for early-flight evolution

Are reptiles and birds more related to one another than mammals and reptiles? - Quora

Skeleton - Bones, Joints, Muscles

Notes - Results from #60

Comparative Anatomy of the Shoulder

Pectoral Girdle - an overview

The alternative hypotheses on the homology of the avian furcula.

PDF) The evolution of the pectoral girdle

REPTILE HEART-BIRD HEART-MAMMAL HEART- COMPARATIVE ANATOMY