Page from a book with hand colored figures of cetaceans and their skeletons and teeth. Includes a porpoise, a dugong, and a manatee, as well as their bones, and the fossil teeth of a Zeuglodon (Basilosaurus, a genus of early whales from 40-34 mya).
Page from a book with hand colored figures of cetaceans and their skeletons and teeth. Includes a porpoise, a dugong, and a manatee, as well as their bones, and the fossil teeth of a Zeuglodon (Basilosaurus, a genus of early whales from 40-34 mya).
