Large whale

Miss Klein's Whale Evolution TImeline

  • Pakecitus
    500

    Pakecitus

    Lived in Pakistan about 60 million years ago. Had hooves, but had the position of ear bones in the skull like a whale and triangular molars.
  • Ambulocetus: 50 million years ago
    Jul 31, 650

    Ambulocetus: 50 million years ago

    Called the "missing link" between land and water
    Was a carnivore that lived in both land and water. Had hind legs adapted for swimming but could also walk on land. Had triangular molars and the inner ear bond to be able to hear underwater.
  • Rodhocetus: 45 million years ago
    Jul 31, 710

    Rodhocetus: 45 million years ago

    Semi-aquatic organisms that had ankle bones, but also had underwater hearing capabilities. Had a long tail like a rudder and flipper feet. Had nasal drift (nasal openings in the upper part of the skull). Could also go on land
  • Squalodon: 20 million years ago
    Oct 29, 1200

    Squalodon: 20 million years ago

    ancestor of the toothed whales; lived in warm waters, had similar jaws to the Pakicetid
  • Cetotherium: 15 million years ago
    Aug 28, 1500

    Cetotherium: 15 million years ago

    ancestor of the baleen whales (sperm, blue, humpback whales)
  • Basilosaurus: 35 million years ago

    Basilosaurus: 35 million years ago

    Walking with Beasts the extinct link- were 50 feet long mammals of the sea. Seemed like a sea lizard because it swam like an eel because it was so long. They had a jawbone, ribs, and small hind limbs from its ancestors. It only lived in water, but couldn't dive deep into the water.
  • Dorudon: 40 million years ago

    Dorudon: 40 million years ago

    fully aquatic, had small remnents of hind legs from its ancestors; no longer could the dorudon walk on land