The ectotympanic bone and origin of higher primates.
D000818:Animals; D005075:Biological Evolution; D004424:Ear Canal / Q000033:anatomy & histology*; D004432:Ear, Middle / Q000033:anatomy & histology; D005580:Fossils; D000882:Haplorhini / Q000033:anatomy & histology; D010163:Paleontology; D011323:Primates / Q000033:anatomy & histology*