Greniodon

{{short description|Extinct genus of tetrapods}}

{{Automatic taxobox

| fossil_range = Mid Eocene (Mustersan-Divisaderan)
~{{fossil range|48.6|40.4}}

| taxon = Greniodon

| authority = Goin et al., 2012

| type_species = †Greniodon sylvaticus

| type_species_authority = Goin et al., 2012

}}

Greniodon is a genus of extinct gondwanatherian mammal known from the Early to Middle Eocene (Lutetian age, Mustersan to Divisaderan 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.[https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=327300 Greniodon] at Fossilworks.org{{cite journal|last1=Goin|first1=Francisco J.|last2=Tejedor|first2=Marcelo F.|last3=Chornogubsky|first3=Laura|last4=López|first4=Guillermo M.|last5=Gelfo|first5=Javier N.|last6=Bond|first6=Mariano|last7=Woodburne|first7=Michael O.|last8=Gurovich|first8=Yamila|last9=Reguero|first9=Marcelo|title=Persistence of a Mesozoic, non-therian mammalian lineage (Gondwanatheria) in the mid-Paleogene of Patagonia|journal=Naturwissenschaften|year=2012|volume=99|issue=6|pages=449–463|doi=10.1007/s00114-012-0919-z|pmid=22584426|bibcode=2012NW.....99..449G }}