Periphragnis

Periphragnis; Temporal range: Middle Eocene-Early Oligocene; ~
	Fossilized remains of Periphragnis exactus.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Notoungulata
Family:	†Isotemnidae
Genus:	†Periphragnis; Roth 1899
Type species
	†Periphragnis harmeri; Roth, 1899
Species
	P. circunglexus Ameghino 1901; P. cristatus Roth 1904; P. exauctus Ameghino 1902; P. harmeri Roth 1899; P. palmeri Roth 1904; P. vicentei Bradham et al 2015;
Synonyms
	Coelodontherium Roth 1903; Lemudeus Roth 1903; Proasmodeus Ameghino 1902; Tehuelia Roth 1902;

Periphragnis is an extinct genus of isotemnid notoungulates that lived from the Middle Eocene to the Early Oligocene in what is now Argentina and Chile.

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