The skull was around in length. Like more evolved baleen whales, its jaws had
baleen instead of
teeth, meaning that it could filter plankton with its baleen plates. However, primitive baleen whales may have retained
enamel coated teeth embedded in the
gums, similar to modern
sperm whales. Baleen whales, as a group, may be sensitive to low-frequency sounds. Unlike modern baleen whales,
Eomysticetus had a blowhole that was positioned ahead of the eyes, and the characteristics of its vertebrae and flipper bones are akin to those of
archaeocetes like
Basilosaurus. == References ==