Pakicetidae is an extinct family of early whales that lived during the Early Eocene in northern South Asia. Unlike modern cetaceans, they had well-developed limbs and were capable of walking. The spec

Archaeoceti, or Zeuglodontes in older literature, is an obsolete paraphyletic group of primitive cetaceans that lived from the Early Eocene to the late Oligocene. Representing the earliest cetacean ra