Limnocyoninae

Limnocyoninae; Temporal range: 57.0–37.2 Ma PreꞒ Ꞓ O S D C P T J K Pg N Late Paleocene to Late Eocene
	Skull of Limnocyon verus
	lower jaw of Prolimnocyon antiquus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Hyaenodonta
Family:	†Hyaenodontidae
Subfamily:	†Limnocyoninae; Wortman, 1902
Type genus
	†Limnocyon; Marsh, 1872
Genera
	†Iridodon; †Limnocyon; †Oxyaenodon; †Prolaena; †Prolimnocyon; †Thinocyon;
Synonyms
	list of synonyms: Limnocyoninae (Wortman, 1902) ; Limnocyonini (Van Valen, 1966) ; Limnocyononae (Lavrov, 1999) ; Limnocyontidae (Savage, 1973) ;

Limnocyoninae ("swamp dogs") is a subfamily of extinct predatory mammals from extinct order Hyaenodonta. Fossil remains of these mammals are known from late Paleocene to late Eocene deposits in North America and Asia.^[5] Limnocyonines had only two molars in the upper and lower dentition.^[6]

Classification and phylogeny

Taxonomy

Family: †Limnocyonidae (Wortman, 1902)
- Genus: †Iridodon (Morlo & Gunnell, 2003)
  - †Iridodon datzae (Morlo & Gunnell, 2003)
- Genus: †Limnocyon ^{(paraphyletic genus)} (Marsh, 1872)
  - †Limnocyon cuspidens (Morlo & Gunnell, 2005)
  - †Limnocyon potens (Matthew, 1909)
  - †Limnocyon verus (Marsh, 1872)
- Genus: †Oxyaenodon (Matthew, 1899)
  - †Oxyaenodon dysodus (Matthew, 1899)
- Genus: †Prolaena (Xu, 1979)
  - †Prolaena parva (Xu, 1979)
- Genus: †Prolimnocyon ^{(paraphyletic genus)} (Matthew & Granger, 1915)
  - †Prolimnocyon antiquus (Matthew & Granger, 1915)
  - †Prolimnocyon atavus (Matthew & Granger, 1915)
  - †Prolimnocyon chowi (Meng, 1998)
  - †Prolimnocyon eerius (Gingerich, 1989)
  - †Prolimnocyon haematus (Gingerich & Deutsch, 1989)
- Genus: †Thinocyon (Marsh, 1872)
  - †Thinocyon medius (Wortman, 1902)
  - †Thinocyon velox (Marsh, 1872)

References

^ J. L. Wortman (1902.) "Studies of Eocene Mammalia in the Marsh Collection, Peabody Museum." The American Journal of Science, series 4 13:197-206
^ L. Van Valen (1966.) "Deltatheridia, a new order of Mammals." Bulletin of the American Museum of Natural History 132(1):1-126
^ A. V. Lavrov (1999.) "Adaptive Radiation of Hyaenodontinae (Creodonta, Hyaenodontidae) of Asia." in 6th Congress of the Theriological Society, Moscow, April 13–16, p. 138 [in Russian].
^ Savage, R. J. G. (1973). "Megistotherium, gigantic hyaenodont from Miocene of Gebel Zelten, Libya". Bulletin of the British Museum (Natural History), Geology. 22 (7): 483–511. doi:10.5962/p.150151.
^ McKenna, Malcolm C.; Bell, Susan K. (1997). Classification of Mammals Above the Species Level. New York: Columbia University Press. ISBN 978-0-231-11012-9. Retrieved 16 March 2015.
^ M. Morlo and G. F. Gunnell (2005.) "New species of Limnocyon (Mammalia, Creodonta) from the Bridgerian (middle Eocene)." Journal of Vertebrate Paleontology 25(1):251-255

[1] J. L. Wortman (1902.) "Studies of Eocene Mammalia in the Marsh Collection, Peabody Museum." The American Journal of Science, series 4 13:197-206

[2] L. Van Valen (1966.) "Deltatheridia, a new order of Mammals." Bulletin of the American Museum of Natural History 132(1):1-126

[Lavrov1999-3] A. V. Lavrov (1999.) "Adaptive Radiation of Hyaenodontinae (Creodonta, Hyaenodontidae) of Asia." in 6th Congress of the Theriological Society, Moscow, April 13–16, p. 138 [in Russian].

[Savage1973-4] Savage, R. J. G. (1973). "Megistotherium, gigantic hyaenodont from Miocene of Gebel Zelten, Libya". Bulletin of the British Museum (Natural History), Geology. 22 (7): 483–511. doi:10.5962/p.150151.

[McKenna_&_Bell-5] McKenna, Malcolm C.; Bell, Susan K. (1997). Classification of Mammals Above the Species Level. New York: Columbia University Press. ISBN 978-0-231-11012-9. Retrieved 16 March 2015.

[Morlo2005-6] M. Morlo and G. F. Gunnell (2005.) "New species of Limnocyon (Mammalia, Creodonta) from the Bridgerian (middle Eocene)." Journal of Vertebrate Paleontology 25(1):251-255

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Limnocyoninae Temporal range: 57.0–37.2 Ma PreꞒ Ꞓ O S D C P T J K Pg N Late Paleocene to Late Eocene

Skull of Limnocyon verus

lower jaw of Prolimnocyon antiquus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Hyaenodonta
Family:	†Hyaenodontidae
Subfamily:	†Limnocyoninae Wortman, 1902^[1]
Type genus
†Limnocyon Marsh, 1872
Genera
†Iridodon †Limnocyon †Oxyaenodon †Prolaena †Prolimnocyon †Thinocyon
Synonyms
list of synonyms: Limnocyoninae (Wortman, 1902) Limnocyonini (Van Valen, 1966)^[2] Limnocyononae (Lavrov, 1999)^[3] Limnocyontidae (Savage, 1973)^[4]