Threatened species of Archaeoceti

The Archaeoceti or "ancient whales" are extinct and known only by fossils.

1. Threatened species of Cetacea
2. Extinct megafauna

1. Extinct species of Zignodelphidae
2. Extinct species of Waipatiidae
3. Extinct species of Squalodontidae
4. Extinct species of Rhabdosteidae
5. Extinct species of Remingtonocetidae
6. Extinct species of Protocetidae
7. Extinct species of Odobenocetopsidae
8. Extinct species of Llanocetidae
9. Extinct species of Kentriodontidae
10. Extinct species of Dalpiazinidae
11. Extinct species of Cetotheriidae
12. Extinct species of Basilosauridae
13. Extinct species of Albireonidae
14. Extinct species of Agorophiidae
15. Extinct species of Aetiocetidae
16. Extinct species of Acrodelphidae