|Named By:||Edward Drinker Cope in 1882|
|Time Period:||Early Eocene|
|Location:||Across Eurasia and North America|
|Size:||Up to 50 centimetres long|
|Fossil(s):||Hundreds of specimens|
|Classification:||| Chordata | Mammalia | Artiodactyla | Dichobunidae ||
|Also known as:||| Gujaratia | Trigonolestes ||
Diacodexis is an extinct genus of small herbivore mammal belonging to the family Dichobunidae which lived in North America, Europe and Asia from 55.4 mya--46.2 mya. and existing for approximately 9.2 million years.