Comparison of early branching sauropodomorph humeral morphology in anterior view. from Osteohistology reveals the smallest adult Jurassic sauropodomorph

A, right humerus of Mussaurus patagonicus (MLP 68-II-27-1, late mature), mirrored for comparison, modified from Otero and Pol 2013. B, left humerus of Massospondylus carinatus (BP/1/4934, late mature). C, left humerus of BP/1/4732 (late mature). D, left humerus of Adeopapposaurus mognai (PVSJ610, immature), modified from Martinez 2012. E, right humerus of Sarahsaurus aurifontanalis (TMM 43646, late mature), mirrored for comparison, modified from Marsh and Rowe 2018. F, right humerus of Coloradisaurus brevis (PVL 5904, near mature), mirrored for comparison, modified from Apaldetti et al. 2012. G, right humerus of Lessemsaurus sauropoides (PVL 4822 ⁄ 53, unknown ontogenetic stage), mirrored for comparison, modified from Pol and Powell 2007. H, left humerus of Kholumolumo ellenbergerorum (MNHN.F.LES379, unknown ontogenetic stage), modified from Peyre De Fabrègues and Allain 2020. I, right humerus of Antetonitrus ingenipes (BP/1/4952, immature), mirrored for comparison.