Limnocyoninae

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. Limnocyonines had only two molars in the upper and lower dentition.

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)