Limnocyoninae

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.^[6] Limnocyonines had only two molars in the upper and lower dentition.^[7]

Limnocyoninae Temporal range: 57.0–42.0 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
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Hyaenodonta
Clade:	†Limnocyoninae Wortman, 1902[1]
Type genus
†Limnocyon Marsh, 1872
Genera
[see classification]
Synonyms
list of synonyms: Limnocyonidae (Gunnell, 1998)[2] Limnocyoninae (Wortman, 1902) Limnocyonini (Van Valen, 1966)[3] Limnocyononae (Lavrov, 1999)[4] Limnocyontidae (Savage, 1973)[5]

Classification and phylogeny

Taxonomy

Clade: †Limnocyoninae (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) †Prolimnocyon sp. [South Pass, Green River Basin, Wyoming] (Muldoon, 2018) Genus: †Thinocyon (Marsh, 1872) †Thinocyon medius (Wortman, 1902) †Thinocyon velox (Marsh, 1872) Incertae sedis: †"Thinocyon" sichowensis (Chow, 1975)