prosimii,
suborder prosimii not used in all classifications; in some classifications considered coextensive with the Lemuroidea; in others includes both Lemuroidea and Tarsioidea
adapid,
adapid group 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
lemuroidea,
suborder lemuroidea Lemuridae; Lorisidae; Daubentoniidae; Indriidae; used in some classifications instead of Prosimii; in others considered a subdivision of Prosimii
omomyid,
omomyid group extinct tiny nocturnal lower primates that fed on fruit and insects; abundant in North America and Europe 30 to 50 million years ago; probably gave rise to the tarsiers; some authorities consider them ancestral to anthropoids but others consider them only cousins