Sinopidae

Sinopidae Temporal range: Early to Late Eocene
Skeleton of Sinopa major
lower jaw of Prototomus secundarius
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Hyaenodonta
Family:	†Sinopidae Solé, 2013
Type genus
†Sinopa Leidy, 1871
Genera
†Acarictis (unranked): †Sinopa clade †Prototomus(paraphyletic genus) †Sinopa Incertae sedis: †Sinopidae sp. (FMNH PM 59529)
Synonyms
list of synonyms: Prototomidae (Morlo, 2014) Sinopaninae (Solé, 2013) Sinopinae (Solé, 2014) Sinopainae (Solé, 2014) Stypolophinae (Trouessart, 1885)

Sinopidae ("swift foxes") is a family of extinct predatory 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 (Solé, 2013)
  • Genus: †Acarictis (Gingerich & Deutsch, 1989)
    • †Acarictis ryani (Gingerich & Deutsch, 1989)
  • (unranked): †Sinopa clade
    • Genus: †Prototomus ^{(paraphyletic genus)} (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)
      • †Sinopa sp. A [AMNH FM 11538] (Matthew, 1906)
    • Incertae sedis:
      • †Sinopidae sp. [FMNH PM 59529] (Tomiya, 2021)

Phylogeny

The phylogenetic relationships of family Sinopidae are shown in the following cladogram:

†Hyaenodonta	†Eoproviverra       †Boualitomidae        †Sinopidae       †Sinopa            †Sinopa major    ?  †Sinopa sp. A (AMNH FM 11538)       †Sinopa jilinia     †Sinopa longipes         †Sinopa lania     †Sinopa rapax         †Sinopa minor     †Sinopa pungens       †Sinopa piercei      ?  †Sinopidae sp. (FMNH PM 59529)       †Prototomus phobos     †Prototomus secundarius     †Prototomus viverrinus         †Prototomus deimos †Prototomus       †Prototomus martis     †Prototomus robustus       †Prototomus girardoti     †Prototomus minimus            †Acarictis  †Acarictis ryani           †Arfiidae     †Limnocyonidae         †Hyaenodontoidea         †Gazinocyon     †Pyrocyon       †Galecyon    †Afro‑Arabian clade      †Indohyaenodontidae     †Glibzegdouia       †Parvavorodon         †Koholiidae     †Tritemnodon       †Furodon     †Kyawdawia     †Paratritemnodon     †Teratodontidae     †Hyainailouroidea   †Apterodontinae       †Orienspterodon       †Hyainailourinae     †Hemipsalodon    ?  †Ischnognathus   †Akhnatenavus clade     †Akhnatenavus       †Paroxyaenini     †"Pterodon" sp. (BC 15’08)     †Hyainailourinae sp. (UON 84-359)     †Hyainailourinae sp. C (DPC 9243 & DPC 10315)     †Hyainailourinae sp. D (DPC 6545)         †Hyainailourinae sp. A (DPC 6555)     †"Pterodon" africanus     †Parapterodon       †"Pterodon" sp. (DPC 5036)     †"Pterodon" phiomensis   †Hyainailourini         †Kerberos     †"Pterodon" syrtos   †Pterodon clade     †Pterodontina           †Falcatodon     †Sectisodon       †Exiguodon     †Isohyaenodon zadoki           †Isohyaenodon  (†Isohyaenodontina)   †Isohyaenodon andrewsi       †Sivapterodon     †Hyainailouros bugtiensis         †Hyainailouros napakensis   †Hyainailouros       †Hyainailouros sulzeri     †Hyainailourinae sp. (GSN AD 100’96)       †Simbakubwa         †Leakitheriini     †Megistotherium         †Mlanyama     †Metapterodontini         †Pakakali'     †Prionogalidae	†Lahimia clade †Sinopa clade †Arfia clade †Galecyon clade †Indohyaenodon clade †Tritemnodon clade †Kyawdawia clade †Hyainailouridae