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.
Pectoral girdle morphology of Mesozoic birds and the evolution of
2022 in archosaur paleontology - Wikipedia
davidpeters1954, The Pterosaur Heresies
a Ancestral state reconstruction for the distribution of the different
An Exceptionally Preserved Three-Dimensional Armored Dinosaur
Fascinating Natural and Biological Traits of Birds
Wang et al. 2022 examined fossil bird pectorals in µCT
Forelimb function
Sapeornis - Wikipedia
There's something very wrong with our pterosaurs.