1) Adapid group 2) Taxon 3) Taxonomic category 4) Taxonomic group 
[n] - extinct small mostly diurnal lower primates that fed on leaves and fruit
Adapid group noun 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 a...