THE PELYCOSAUR, THE WHALE AND THE GOLDEN MOLE. I.
D000663:Amphibians; D000717:Anatomy, Comparative; D000818:Animals; D005075:Biological Evolution; D002591:Cetacea; D004432:Ear, Middle; D007312:Eulipotyphla; D008971:Moles; D010163:Paleontology; D012104:Reptiles; D014907:Whales
AMPHIBIA; ANATOMY, COMPARATIVE; CETACEA; EAR, MIDDLE; EVOLUTION; INSECTIVORA; PALEONTOLOGY; REPTILES