Limnocyonidae

Limnocyoninae ("swamp dogs") is a clade 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.

==Classification and phylogeny== ===Taxonomy=== {|class="wikitable" |- style="vertical-align:top;" | Clade: †Limnocyoninae Genus: †Iridodon †Iridodon datzae Genus: †Limnocyon (paraphyletic genus) †Limnocyon cuspidens †Limnocyon potens †Limnocyon verus Genus: †Oxyaenodon †Oxyaenodon dysodus Genus: †Prolaena †Prolaena parva Genus: †Prolimnocyon (paraphyletic genus) †Prolimnocyon antiquus †Prolimnocyon atavus †Prolimnocyon chowi †Prolimnocyon eerius †Prolimnocyon haematus †Prolimnocyon sp. [South Pass, Green River Basin, Wyoming] Genus: †Thinocyon †Thinocyon medius †Thinocyon velox Incertae sedis: †"Thinocyon" sichowensis