Orienspterodon

Orienspterodon ("eastern Pterodon") is an extinct genus of hyaenodonts from extinct paraphyletic subfamily Hyainailourinae within paraphyletic family Hyainailouridae, that lived from middle to late Eocene in China and Myanmar.^[5] Type species O. dahkoensis was originally assigned to genus Pterodon in 1975, but was eventually assigned to its own genus in 2007.^[1]

Orienspterodon Temporal range: 42.0–39.0 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ Middle to Late Eocene
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Hyaenodonta
Superfamily:	†Hyainailouroidea
Family:	†Hyainailouridae
Subfamily:	†Hyainailourinae
Genus:	†Orienspterodon Egi, 2007[1]
Type species
†Orienspterodon dahkoensis Chow, 1975[2]
Species
†O. dahkoensis (Chow, 1975) †O. mianchiensis (Sheng, Bi & Li, 2024)[3]
Synonyms
synonyms of genus: Chinapterodon (Lavrov, 1999)[4] synonyms of species: O. dahkoensis: Chinapterodon dahkoensis (Lavrov, 1999) Pterodon dahkoensis (Chow, 1975) Pterodon dakoensis (Lavrov, 1999)