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

New digital restorations indicate that the structure and function of the shoulder joint were highly variable among Early Cretaceous birds, with such key features as the configuration of the triosseal canal and the nature of scapula-coracoid articulation showing considerable diversity.

Bird evolution - RationalWiki

Frontiers SEM Analyses of Fossilized Chondrocytes in the Extinct

davidpeters1954, The Pterosaur Heresies

PDF) Morphometric studies on the appendicular bony skeleton of the ostriches (Struthio Camelus)

Preserved soft anatomy confirms shoulder-powered upstroke of early theropod flyers, reveals enhanced early pygostylian upstroke, and explains early sternum loss. - Abstract - Europe PMC

A new confuciusornithid bird with a secondary epiphyseal

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Transformation of the pectoral girdle in pennaraptorans: critical steps in the formation of the modern avian shoulder joint [PeerJ]

Digital restoration of the pectoral girdles of two Early

File:Pectoral girdle front diagram lt.svg - Wikimedia Commons

pectoral girdle bones and markings Diagram

Figure 10.2 The right pectoral girdle Diagram

Pectoral girdle and clavicle Diagram

Bones of the Pectoral Girdle Quiz