''Greniodon'' is a genus of extinct

gondwanatheria Gondwanatheria is an extinct group of mammaliaforms that lived in parts of Gondwana, including Madagascar, India, South America, Africa, and Antarctica during the Upper Cretaceous through the Miocene (and possibly much earlier, if '' Allostaffia' ...

n mammal known from the Early to Middle Eocene ( Lutetian age,

Mustersan The Mustersan age is a period of geologic time (48.0–42.0 Mya (unit), Ma) within the Eocene epoch of the Paleogene, used more specifically within the South American land mammal age (SALMA) classification. It follows the Casamayoran and precedes th ...

Divisaderan The Divisaderan age is a South American land mammal age, covering a period of geologic time (42.0–36.0 Mya (unit), Ma) within the Middle Eocene, Middle and Late Eocene epochs of the Paleogene. It follows the Mustersan age and is followed by the T ...

in the SALMA classification) of Argentina. A single species, ''Greniodon sylvaticus'', is known, described in 2012 on the basis of two teeth found in the Andesitas Huancache Formation.''Greniodon''
at

Fossilworks Fossilworks was a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database, a large relational database assembled by hundreds of paleontologists from around the world. History Fossilworks was cr ...

.org

References

Gondwanatheria Prehistoric mammal genera Eocene mammals of South America Divisaderan Mustersan Paleogene Argentina Fossils of Argentina Fossil taxa described in 2012 Taxa named by Francisco J. Goin Taxa named by Marcelo Tejedor Taxa named by Laura Chornogubsky Taxa named by Guillermo M. López Taxa named by Javier N. Gelfo Taxa named by Mariano Bond Taxa named by Michael Woodburne Taxa named by Yamila Gurovich Taxa named by Marcelo Reguero {{paleo-mammal-stub