Ectoconus
| Ectoconus Temporal range: early Paleocene | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Mammalia | 
| Family: | †Periptychidae | 
| Subfamily: | †Periptychinae | 
| Genus: | †Ectoconus Cope, 1884 | 
| Type species | |
| †Ectoconus ditrigonus | |
| Species | |
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Ectoconus (Greek: "outside" (ektos), "cone" (konos)) is an extinct genus of terrestrial herbivorous mammal of the family Periptychidae, endemic to North America during the Early Paleocene subepochs (66—63.3 mya) existing for approximately 2.7 million years. its skull is about 16 cm in length.