A systematic comparative description of extant turtle humeri, with comments on humerus disparity and evolution based on fossil comparisons
Guilherme Hermanson,
Fernando A. M. Arnal,
Tomasz Szczygielski
et al.
Abstract:The humerus is central for locomotion in turtles as quadrupedal animals. Osteological variation across testudine clades remains poorly documented. Here, we systematically describe the humerus anatomy for all major extant turtle clades based on 38 species representing the phylogenetic and ecological diversity of crown turtles. Three Late Triassic species of shelled stem turtles (Testudindata) are included to establish the plesiomorphic humerus morphology. Our work is based on 3D models, establishing a publicly … Show more
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