Kentriodon

Extinct genus of mammals From Wikipedia, the free encyclopedia

Kentriodon is an extinct genus of toothed whale related to modern-day dolphins. Fossils have been found in North America, Europe and Japan.[1] Several species have been described.

Phylum:Chordata
Class:Mammalia
Infraorder:Cetacea
Quick facts Scientific classification, Species ...
Kentriodon
Temporal range: Late Oligocene–Middle Miocene
K. pernix skeleton
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Infraorder: Cetacea
Family: Kentriodontidae
Genus: Kentriodon
Kellogg, 1927
Species[1]
  • K. pernix Kellogg, 1927 (type)
  • K. obscurus (Kellogg, 1931)
  • K. diusinus Salinas Márquez et al., 2014
  • K. fuchsii (Brandt, 1873)
  • K. hobetsu Ichishima, 1995
  • K. hoepfneri Kazár & Hampe, 2014
  • K. schneideri Whitmore & Kaltenbach, 2008
  • K. nakajimai Kimura & Hasegawa, 2019
  • K. sugawarai Guo & Kohno, 2021
Synonyms
  • Grypolithax Kellogg, 1931
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Description

Restoration of two K. pernix

Kentriodon was the most diverse of all the kentriodontids, which are represented by seventeen described genera. These were small to medium-sized odontocetes with largely symmetrical skulls, and thought likely to include ancestors of some modern species.[citation needed] 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.[citation needed]

Species

  • Kentriodon pernix Kellogg, 1927 (type)[2]
  • Kentriodon fuchsii (Brandt, 1873)[3]
  • Kentriodon hobetsu Ichishima, 1995[4]
  • Kentriodon obscurus (Kellogg, 1931)[5]
  • Kentriodon schneideri Whitmore and Kaltenbach, 2008[6]
  • Kentriodon diusinus Salinas-Márquez, Barnes, Flores-Trujillo, Aranda-Manteca, 2014[7]
  • Kentriodon hoepfneri Kazár & Hampe, 2014[8]
  • Kentriodon nakajimai Kimura & Hasegawa, 2019[9]
  • Kentriodon sugawarai Guo & Kohno, 2021[1]

See also

References

Further reading

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