Ectoconus (Greek: "outside" (ektos), "cone" (konos)) is an extinct genus of terrestrial herbivorous mammal of the family Periptychidae, endemic to North...

†Conacodon †Militocodon †Oxyacodon †Periptychinae †Beornus †Carsioptychus †Ectoconus †Maiorana †Miniconus †Periptychus †Tinuviel incertae sedis †Auraria...

assemblage) Genus Arctocyon Genus Chriacus Family Periptychidae Genus Ectoconus Genus Oxyacodon Family Hyopsodontidae (now established as within Perissodactyla)...

Arctocyonidae Genus Arctocyon Genus Chriacus Family Periptychidae Genus Ectoconus Genus Oxyacodon Family Hyopsodontidae Genus Hyopsodus Family Mioclaenidae...

very similar to that found in related genera such as Carsioptychus or Ectoconus; the snout was not elongated as in other condylarths such as Arctocyon...

septaria – type locality for species †Echmatemys uintensis †Ectoconus †Ectoconus ditrigonus †Ectoconus symbolus †Ellipsodon †Ellipsodon grangeri †Ellipsodon...

†Dinohippus †Diplacodon †Diprionomys †Duchesnehippus †Duchesneodus †Echmatemys †Ectoconus †Elliptio †Eobasileus †Eobasileus cornutus †Eoconodon †Eonessa – type...

†Dissacus †Dromomeryx †Dromomeryx borealis †Duchesneodus †Echmatemys †Ectoconus †Ectopistes †Ectopistes migratorius Elaphe †Eoconodon †Eoconodon coryphaeus...

major †Ectocion medituber †Ectocion osbornianus †Ectocion parvus †Ectoconus †Ectoconus ditrigonus †Ectoganus †Ectoganus lobdelli †Ectopria †Ectopria laticollis...

osbornianus †Ectocion parvus †Ectocion superstes †Ectoconus †Ectoconus cavigellii – type locality for species †Ectoconus ditrigonus †Ectoganus †Ectoganus bighornensis...