Brazeau et al 2023 report,"The past 150 years of debate has been shaped by two contentious theories: the ventrolateral fin-fold hypothesis and the archipterygium hypothesis. The latter proposes that fins and girdles evolved from an ancestral gill arch. Although studies in animal development have revived interest in this idea, it is apparently unsupported by fossil…
PDF) Calcified cartilage in the paired fins of the osteostracan Escuminaspis laticeps (Traquair 1880), from the Late Devonian of Miguasha (Québec, Canada), with a consideration of the early evolution of the pectoral
A new specimen of Palvennia hoybergeti: implications for cranial and pectoral girdle anatomy in ophthalmosaurid ichthyosaurs [PeerJ]
davidpeters1954, The Pterosaur Heresies
Frontiers Problems in Fish-to-Tetrapod Transition: Genetic Expeditions Into Old Specimens
The Pterosaur Heresies, There's something very wrong with our pterosaurs.
Pectoral Girdle - an overview
Glossary of fish terms - The Australian Museum
The Pterosaur Heresies, There's something very wrong with our pterosaurs.
Multiple embryonic sources converge to form the pectoral girdle skeleton in zebrafish
Evo-Devo of the Fin-to-Limb Transition
