ANSC 2060 Chapter : Ch 10 Anatomy And Physiology Of Dogs And Cats 2
Document Summary
Gracile & robust : gracile = referring to a species with small muscle attachments. Areas where muscles attach tend to be smooth and rounded: robust = will have large, rough muscle attachment areas and sharp projections in certain areas with thicker bone. (not necessarily taller, just built differently) Potassium/argon: south africa, geology , limestone formation and subterranean caves, many fossils are found through quarrying activities, breccia fossils are well preserved but are often trapped in this. Do believe it was somewhat bipedal but not very efficient at it. But has more derived features (makes better candidate for human ancestor) Found in: cranial traits- small brained individuals relative to humans. post orbital constriction. They are more similar to the last one in that they have very large muscle attachments. They are often described as megadonts (huge teeth). Trits - suggests it was bipedial, about the same size as other austral.
