Origin of the vertebrate pectoral girdle and pectoral fins – overturned

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…

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PDF) The Origin of Vertebrate Limbs

davidpeters1954, The Pterosaur Heresies

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This strange little palaeoniscid': a new early actinopterygian genus, and commentary on pectoral fin conditions and function, Earth and Environmental Science Transactions of The Royal Society of Edinburgh

Fossil evidence for a pharyngeal origin of the vertebrate pectoral girdle

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Cranial or postcranial—Dual origin of the pectoral appendage of vertebrates combining the fin‐fold and gill‐arch theories? - Diogo - 2020 - Developmental Dynamics - Wiley Online Library

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

Origin of the vertebrate pectoral girdle and pectoral fins – overturned

Origin of the vertebrate pectoral girdle and pectoral fins – overturned