Temporal range: Late Oligocene–Middle Miocene
Kentriodon was the most diverse of all the kentriodontids, which include three named species and five undescribed species. These were small to medium-sized odontocetes with largely symmetrical skulls, and thought likely to include ancestors of some modern species. Kentriodon is also the oldest described kentriodontid genus, reported from the Late Oligocene to the Middle Miocene.
Kentriodontines ate small fish and other nectonic organisms; they are thought to have been active echolocators, and might have formed pods. The diversity, morphology and distribution of fossils appear parallel to some modern species.
- Kentriodon pernix Kellogg, 1927 (type)
- Kentriodon fuchsii (Brandt, 1873)
- Kentriodon hobetsu Ichishima, 1995
- Kentriodon obscurus (Kellogg, 1931)
- Kentriodon schneideri Whitmore and Kaltenbach, 2008
- R. Kellogg. 1927. Kentriodon pernix, a Miocene porpoise from Maryland. Proceedings of the United States National Museum 69(19):1-14
- J. F. Brandt. 1873. Untersuchungen über die fossilen und subfossilen cetaceen Europa's. Mémoires de L'Académie Impériale des Sciences de Saint-Petersbourg, Series 7 20(1):1-372
- H. Ichishima. 1995. A new fossil kentriodontid dolphin (Cetacea; Kentriodontidae) from the Middle Miocene Takinoue Formation, Hokkaido, Japan. The Island Arc 3:473-485
- R. Kellogg. 1931. Pelagic mammals of the Temblor Formation of the Kern River region, California. Proceedings of the California Academy of Science 19(12):217-397
- F. C. Whitmore and J. A. Kaltenbach. 2008. Neogene Cetacea of the Lee Creek Phosphate Mine, North Carolina. Virginia Museum of Natural History Special Publication 14:181-269
- Encyclopedia of Marine Mammals, Perrin, Würsig, Thewissen
- The Evolution of Whales, Adapted from National Geographic, November 2001
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