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Orienspterodon

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Extinct genus of mammals

Orienspterodon Temporal range:42.0–39.0 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ Middle to LateEocene
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^[3]
Species
†O. dahkoensis(Chow, 1975) †O. mianchiensis(Sheng, Bi & Li, 2024)^[2]
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)

Orienspterodon ("easternPterodon") is anextinct genus ofhyaenodonts from extinctparaphyletic subfamilyHyainailourinae within paraphyletic familyHyainailouridae, that lived from middle to lateEocene inChina andMyanmar.^[5] Type speciesO. dahkoensis was originally assigned to genusPterodon in 1975, but was eventually assigned to its own genus in 2007.^[1]

^^a ^bEgi, N.; Tsubamato, T.; Takai, M. (2007). "Systematic Status of Asian"Pterodon" and Early Evolution of Hyaenaelurine Hyaenodontid Creodonts".Journal of Paleontology.81 (4):770–778.doi:10.1666/pleo0022-3360(2007)081[0770:SSOAPA]2.0.CO;2.JSTOR 4498825.S2CID 131018072.
^Sheng, J.; Bi, S.; Li, Q. (2024)."A new hyainailourid (Hyaenodonta, Mammalia) from the middle Eocene of Mianchi of Henan, China".Acta Palaeontologica Sinica.63 (3):386–403.doi:10.19800/j.cnki.aps.2024004.
^Chow, M.-C. (1975)."Some Carnivores from the Eocene of China"(PDF).Vertebrata PalAsiatica.13 (3):165–168.
^A. V. Lavrov (1999.)"Adaptive Radiation of Hyaenodontinae (Creodonta, Hyaenodontidae) of Asia." in 6th Congress of the Theriological Society, Moscow, April 13–16, p. 138 [in Russian].
^Louis de Bonis; Floreal Solé; Yaowalak Chaimanee; Aung Naing Soe; Chit Sein; Vincent Lazzari; Olivier Chavasseau; Jean-Jacques Jaeger (2018)."New Hyaenodonta (Mammalia) from the middle Eocene of Myanmar".Comptes Rendus Palevol.17 (6):357–365.Bibcode:2018CRPal..17..357D.doi:10.1016/j.crpv.2017.12.003.

Mammals of cladePan-Carnivora

Carnivoramorpha	SeeCarnivoramorpha below ↓
†Hyaenodonta	SeeHyaenodonta below ↓
†Oxyaenodonta	SeeOxyaenodonta below ↓
†Wyolestidae	Wyolestes
†Simidectes †Altacreodus †Ravenictis †Tinerhodon

Hyaenodonta

Hyaenodontidae

Apterodontinae	Apterodon Quasiapterodon
Hyainailourinae	Akhnatenavus Bastetodon Exiguodon Falcatodon Hemipsalodon Hyainailouros Ischnognathus Isohyaenodon Kerberos Leakitherium Maocyon Megistotherium Mlanyama Metapterodon Orienspterodon Pakakali Parapterodon Paroxyaena Pterodon Sectisodon Sekhmetops Simbakubwa Sivapterodon

ichnotaxa of Hyaenodonta

Machaeroidinae	Apataelurus Diegoaelurus Isphanatherium Machaeroides
Oxyaeninae	Argillotherium Dipsalidictis Malfelis Oxyaena Patriofelis Protopsalis Sarkastodon
Palaeonictinae	Ambloctonus Dipsalodon Palaeonictis
Tytthaeninae	Tytthaena