. Bulletin of the British Museum (Natural History), Geology. 500 MEGISTOTHERIUM FROM the neural arch and a wide alar notch allows for the passage of the ventral root of the first spinal nerve. Within the neural arch can be seen the pit for the transverse ligament and an opening for a branch of the vertebral artery. The wide alar processes and stout posterior border signal a heavy obliquus and longissimus musculature for lateral and upward head movements. Humerus. The humerus is known only from two incomplete distal ends. The entepicondyle appears to have been larger than the ectepicondyle. The
. Bulletin of the British Museum (Natural History), Geology. 500 MEGISTOTHERIUM FROM the neural arch and a wide alar notch allows for the passage of the ventral root of the first spinal nerve. Within the neural arch can be seen the pit for the transverse ligament and an opening for a branch of the vertebral artery. The wide alar processes and stout posterior border signal a heavy obliquus and longissimus musculature for lateral and upward head movements. Humerus. The humerus is known only from two incomplete distal ends. The entepicondyle appears to have been larger than the ectepicondyle. The entepi- condylar foramen is long and narrow; the olecranon fossa is deep and the trochlea spans about 270°.. Fig. 14. Megistotherium osteothlastes gen. et sp. nov. Right humerus, distal end. Anterior aspect. (UB20576), Gebel Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)
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