Perhaps the most prominent supporter of this hypothesis is cryptozoologist Roy P. Mackal, who is of the opinion that most lake monster sightings around the world can be explained as sightings of surviving Basilosaurus, were large, serpentine whales that lived during the Eocene Epoch.
Perhaps the most prominent supporter of this hypothesis is cryptozoologist Roy P. Mackal, who is of the opinion that most lake monster sightings around the world can be explained as sightings of surviving Zeuglodons. Zeuglodons, or Basilosaurs, were large, ancient, serpentine whales that lived during the Eocene Epoch.