Archaeoceti

Translingual right|thumb|†Pakicetus attocki species skeleton Etymology From mul grc ἀρχαῖος ancient + grc κῆτος whale. Proper noun † group infraorder Cetacea ancient extinct whales Usage notes †Archaeoceti is a paraphyletic group of the earliest cetaceans, from the early Eocene to the late Oligocene (55 to 23 million years ago). Synonyms †Zeuglodontes order obsolete Hypernyms suborder ; Cetacea infraorder infraorder Hyponyms suborder †Ambulocetidae family, †Basilosauridae family, †Pakicetidae family, †Protocetidae family, †Remingtonocetidae family families References