Labels:text | screenshot | font | diagram | line | parallel | number OCR: 33 34 15 Primitive Animals Reptiles Arthropods 1: Crustaceans, 15 Myriapods and Arachnids Birds of the Sea and Air 12 Arthropods 2: Insects Birds of the Land and Water 13 18 Fishes Early Mammals 42 19 Amphibians Monotremes and Marsupials Dinosaurs Edentates, Pangolins and the Aardvark 23 25 PH 28