File:Styracosaurus forelimb motion.jpg
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| Description | Right pectoral girdle and forelimb bones of the holotype of Styracosaurus albertensis (CMN 344) and motion at the shoulder. A. Right scapula and coracoid in lateral view. B-D. Humerus in lateral (B), posterior (C), and anterior (D) views, with broken white line indicating edge of humeral head. E-F. Radius and ulna in proximal (E) and distal (F) views. G. Range of parasagittal motion at the shoulder in lateral view. H. Range of motion at the shoulder in dorsal view. I. Range of transverse motion at the shoulder in anterior view, with radius and ulna included; the broken line indicates the humerus in the approximate position of full elevation through the transverse plane, and the unbroken line indicates the humerus in the position that was used for photographing it in position 3. J. Range of parasagittal and transverse motion at the shoulder in lateral view, with radius and ulna included. K-M. Fleshed out reconstructions of S. albertensis in anterior view in habitual posture for standing and locomotion (K), in anterior view with forelimbs in sprawling posture (L), and in lateral view with forelimbs in habitual posture for standing and locomotion (M). 1 - 3, positions 1 - 3 (see Materials and Methods for description), c, coracoid; g, glenoid cavity; h, humerus; hh, humeral head; r, radius; s, scapula; u, ulna. |
| Date | |
| Source | https://palaeo-electronica.org/content/2023/3978-forelimb-function |
| Author | Leandra Walters, published by Philip J. Senter and Jared J. Mackey |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:59, 26 October 2024 | | 800 × 784 (122 KB) | FunkMonk (talk | contribs) | {{Information |Description=Right pectoral girdle and forelimb bones of the holotype of Styracosaurus albertensis (CMN 344) and motion at the shoulder. A. Right scapula and coracoid in lateral view. B-D. Humerus in lateral (B), posterior (C), and anterior (D) views, with broken white line indicating edge of humeral head. E-F. Radius and ulna in proximal (E) and distal (F) views. G. Range of parasagittal motion at the shoulder in lateral view. H. Range of motion at the shoulder in dorsal view.... |
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