1.sukupuuttoon kuollut pienikokoinen ja pääasiassa päiväaktiivinen alempi kädellinen, joka eli Pohjois-Amerikassa ja Euroopassa 30–50 miljoonaa vuotta sitten
1.extinct small mostly diurnal lower primates that fed on leaves and fruit; abundant in North America and Europe 30 to 50 million years ago; their descendents probably include the lemurs; some authorities consider them ancestral to anthropoids but others consider them only cousins