Sinopidae

Sinopidae ("swift foxes") is an extinct family of predatory placental mammals from extinct order Hyaenodonta. Fossil remains of these mammals are known from early to middle Eocene deposits in North America, Europe and Asia.

Taxonomy

 * Family: †Sinopidae (Solé, 2013)
 * Genus: †Acarictis (Gingerich & Deutsch, 1989)
 * †Acarictis ryani (Gingerich & Deutsch, 1989)
 * Genus: †Prototomus (Cope, 1874)
 * †Prototomus deimos (Gingerich & Deutsch, 1989)
 * †Prototomus girardoti (Smith & Smith, 2001)
 * †Prototomus martis (Gingerich & Deutsch, 1989)
 * †Prototomus minimus (Smith & Smith, 2001)
 * †Prototomus phobos (Gingerich & Deutsch, 1989)
 * †Prototomus robustus (Matthew & Granger 1915)
 * †Prototomus secundarius (Cope, 1875)
 * †Prototomus viverrinus (Cope, 1874)
 * Genus: †Sinopa (Leidy, 1871)
 * †Sinopa jilinia (Morlo, 2014)
 * †Sinopa lania (Matthew, 1909)
 * †Sinopa longipes (Peterson, 1919)
 * †Sinopa major (Wortman, 1902)
 * †Sinopa minor (Wortman, 1902)
 * †Sinopa piercei (Bown, 1982)
 * †Sinopa pungens (Cope, 1872)
 * †Sinopa rapax (Leidy, 1871)