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

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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.

Skeletal reconstruction with wings and body outline of a generalized

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

davidpeters1954, The Pterosaur Heresies

Forelimb function

Comparison of the pectoral girdles of an extant bird (a and c) and the

The coracoscapular joint of neornithine birds—extensive homoplasy

2022 in archosaur paleontology - Wikipedia

2022 in archosaur paleontology - Wikipedia

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