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.
Classification and phylogeny
Taxonomy
Family: †Sinopidae
Genus: †Acarictis
†Acarictis ryani
(unranked): †Sinopa clade
Genus: †Prototomus (paraphyletic genus) †Prototomus deimos †Prototomus girardoti †Prototomus martis †Prototomus minimus †Prototomus phobos †Prototomus robustus †Prototomus secundarius †Prototomus viverrinus Genus: †Sinopa †Sinopa jilinia †Sinopa lania †Sinopa longipes †Sinopa major †Sinopa minor †Sinopa piercei †Sinopa pungens †Sinopa rapax †Sinopa sp. A [AMNH FM 11538] Incertae sedis: †Sinopidae sp. [FMNH PM 59529]
Phylogeny
The phylogenetic relationships of family Sinopidae are shown in the following cladogram: