Ourayia had reduced
canines and larger
incisors when compared to other basal primates, like
Notharctus. They also have 1 less premolar than
notharctines. Compared to other omomyids from the time,
Ourayia is considered large, weighing around 1,500 grams. They had enlarged orbits, like most omomyids. Some authors posit that
Ourayia descended from
Hemiacodon. == Classification ==