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Included On The Following Pages:

• Life (creatures)
• Cellular (cellular organisms)
• Eukaryota (eukaryotes)
• Opisthokonta (opisthokonts)
• Metazoa (Animal)
• Bilateria
• Deuterostomia (deuterostomes)
• Chordata (Chordates)
• Vertebrata (vertebrates)
• Gnathostomata (jawed fish)
• Osteichthyes
• Sarcopterygii (Lobe-finned fishes)
• Tetrapoda (terrestrial vertebrates)
• Amniota (amniotes)
• Synapsida (synapsids)
• Therapsida (therapsid)
• Cynodontia (cynodonts)
• Mammalia (mammals)
• Theria (Therians)
• Eutheria (eutherian)
• Placentalia (placental)
• Boreoeutheria
• Euarchontoglires
• Glires
• Rodentia (rodents)
• Sciuromorpha (squirrels, dormice, and relatives)
• Sciuridae (squirrels and relatives)
• Sciurinae (Tree Squirrels and relatives)
• Sciurini
• Tamiasciurus (pine squirrel)
• Tamiasciurus hudsonicus (American Red Sqirrel)

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