ANTC99H3 Chapter Notes -Oreopithecus, Phalanx Bone, Rusinga Island
Document Summary
Large brain (compared to old world monkeys) Elbow articulation (sloop-shaped trochlea, large medial epicondyle, small olecranon process), no tail (the. Probably slow-climbing proconsul"s distal sacrum has a v- arboreal quadruped shaped basal cleft) Transverse process arises from the base of the. Suspensory, broad femoral condyles, transvers process from pedicle. Bulbous cusps, small cingulate and cingulids, robust mandible, thin enamel and gracile canines. No articulation between styloid process of the ulna and triquetrum at the wrist. Humeral shaft is long and slender and long face. Short lumbar vertebrae transverse processes arises from pedicle. Long forelimbs and short femora suspensory glabella. Thick enamel, low cusp relief, absence of cingulum on molars, broad premolars, robust canine. Distal articulation of the humeri resembles that of. Central incisors are broader gorillas than the laterals. Skull is very similar to that of orangutans narrow snout, large procumbent premaxilla, small incisive foramen, broad zygomatic arches, tall narrow nasal aperture, high orbits.
