Coniopternium

Coniopternium
Temporal range: Late Oligocene (Deseadan)
~
Astragali of Coniopternium andinum
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Litopterna
Family: Macraucheniidae
Subfamily: Cramaucheniinae
Genus: Coniopternium
Ameghino, 1894
Type species
Coniopternium andinum
Ameghino, 1894
Species
  • C. andinum Ameghino, 1894
  • C. primitivum Cifelli and Soria, 1983
Synonyms

Notodiaphorus crassus Loomis, 1914

Coniopternium is an extinct genus of macraucheniids from the Late Oligocene of South America. Fossils of Coniopternium have been found in the Agua de la Piedra, Deseado, and Sarmiento Formations of Argentina, the Salla Formation of Bolivia, and the Moquegua Formation of Peru.