ANT100Y1 Lecture 4: ANT 100 Lecture 4
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ANT100Y1 Full Course Notes
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Morph features used infer diet and locomotion. Tooth anatomy: enamel, dentine, pulp cavity (can tell diet and age) Dental formula 2. 1. 2. 3. /2. 1. 2. 3 (start at midline: front back) Cranial: mandible, maxilla, zygomatic (size and shape of that passage, frontal bone, occipital. Post-cranial: pelvis, femur (ball and socket joint pelvis, patella, tibia, fibula, shape of ribcage, clavicle, humerus, radius, ulna. Comparative method: compare fossils to similar extant species. Stable isotopes can tell about climate: overall temperature. Plesiodapiformes: remarkably successful, found in n america, body size: tiny shrew sized small dog, niche: likely nocturnal quadrupeds, good smell, diet: insects and seeds, used to be classified primates because of arboreal lifestyle. Recent: plesiodapids not primates: no post orbital bar, claws instead of nails, eyes on side of head, enlarged incisors. But, all this based on phonetics, which is pretty much not respected. Primates found in eocene fossil deposits: likely that primates evolve before paleocene.
