Zygorhiza
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Zygorhiza is an extinct genus of basilosaurid early whale known from the Late Eocene of Louisiana, Alabama, and Mississippi, United States, and the Bartonian to the late Eocene of New Zealand. Specime
Zygorhiza kochii skull at the North Carolina Museum of Natural Sciences
Fossil in Teylers Museum, Haarlem
Archaeoceti
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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
Ambulocetus, an ambulocetid (drawing showing preserved fossil remains).
Kutchicetus, a remingtonocetid.
Maiacetus, a protocetid.