Limnocyoninae

Limnocyoninae
Temporal range: 57.0–37.2 Ma Late Paleocene to Late Eocene
Skull of Limnocyon verus
lower jaw of Prolimnocyon antiquus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: †Hyaenodonta
Family: †Hyaenodontidae
Subfamily: †Limnocyoninae
Wortman, 1902[1]
Type genus
†Limnocyon
Marsh, 1872
Genera
Synonyms
list of synonyms:
  • Limnocyoninae (Wortman, 1902)
  • Limnocyonini (Van Valen, 1966)[2]
  • Limnocyononae (Lavrov, 1999)[3]
  • Limnocyontidae (Savage, 1973)[4]

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

  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
  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].
  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.
  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.
  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