Cramaucheniinae Temporal range: Middle Eocene- Middle Miocene ( Mustersan- Mayoan) ~48–11.8  Ma PreꞒ Ꞓ O S D C P T J K Pg N
Skull of Cramauchenia
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	† Litopterna
Superfamily:	† Macrauchenioidea
Family:	† Macraucheniidae
Subfamily:	† Cramaucheniinae Ameghino, 1902
Genera
† Caliphrium † Coniopternium † Cramauchenia † Llullataruca † Phoenixauchenia † Polymorphis? † Pternoconius † Theosodon

Cramaucheniinae is a paraphyletic subfamily of macraucheniids that originated in the middle Eocene ( Mustersan SALMA). The size range of the group ranged from small, basal forms to larger and more derived forms. During their evolution, the cramaucheniines undergone a trend from evolving from small basal forms such as Polymorphis into larger, more derived taxa such as Theosodon. ^{[1] [2]}

References

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