New look at the origin of birds and crocodiles.
D000489:Alligators and Crocodiles / Q000033:anatomy & histology*; D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000033:anatomy & histology*; D007758:Ear, Inner / Q000033:anatomy & histology*; D004432:Ear, Middle / Q000033:anatomy & histology; D049690:History, Ancient; D012104:Reptiles / Q000033:anatomy & histology*