Machaeroidinae

This article is about the extinct subfamily of carnivorous mammals Machaeroidinae. For the similarly named subfamily of extinct cats, see Machairodontinae.

Machaeroidinae ("dagger-like") is an extinct subfamily of carnivorous saber-toothed placental mammals, from the extinct family Oxyaenidae, that lived from the early to middle Eocene of Asia and North America.^[4] Traditionally classified as hyaenodonts, this group is now classified as a member of the family Oxyaenidae.^[5][6][7]

Machaeroidinae Temporal range: 52.4–39.7 Ma PreꞒ Ꞓ O S D C P T J K Pg N early to middle Eocene
skull cast of Machaeroides eothen
lower jaw of Apataelurus kayi
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Clade:	Pan-Carnivora
Order:	†Oxyaenodonta
Family:	†Oxyaenidae
Subfamily:	†Machaeroidinae Matthew, 1909[1]
Type genus
†Machaeroides Matthew, 1909
Genera
[see classification]
A map showing the fossil finds of machaeroidinid genera.
Synonyms
list of synonyms: Machaeroididae Machaeroidini Van Valen, 1966[2] Machairoidinae Matthew, 1909 Machaerodinae Lavrov, 1999[3]

Classification and phylogeny

Taxonomy

Subfamily: †Machaeroidinae Matthew, 1909 Genus: †Apataelurus Scott, 1937 †Apataelurus kayi Scott, 1937 †Apataelurus pishigouensis Tong & Lei, 1986 Genus: †Diegoaelurus Zack, Poust & Wagner, 2022[8] Diegoaelurus vanvalkenburghae Zack, Poust & Wagner, 2022 Genus: †Isphanatherium Lavrov & Averianov, 1998 Isphanatherium ferganensis Lavrov & Averianov, 1998 Genus: †Machaeroides Matthew, 1909 †Machaeroides eothen Matthew, 1909 †Machaeroides simpsoni Dawson, 1986 Incertae sedis: †Machaeroidinae sp. [CM 2386] Zack, 2019 †Machaeroidinae sp. [FMNH PM 1506] Tomiya, 2021 †Machaeroidinae sp. [USNM 173514] Zack, 2019

See also

• Mammal classification
• Oxyaenidae