Ectoconus

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.

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
  • E. cavigellii Eberle and Lillegraven, 1998
  • E. ditrigonus (Cope, 1882) (syn. E. majusculus Matthew, 1937),
  • E. symbolus Gazin, 1939
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