primate evolution timeline part 3 (4)

What are adapids (adapiforms)?

Lemur-like early euprimates

What are omomyids (omomyiforms)?

Tarsier-like early euprimates

Which modern group are adapids most similar to?

Strepsirrhines (lemurs and lorises)

Which modern group are omomyids most similar to?

Haplorhines (tarsiers, monkeys, apes)

Were adapids typically diurnal or nocturnal?

Diurnal (day-active)

Were omomyids typically diurnal or nocturnal?

Nocturnal (night-active)

How do eye sizes compare between adapids and omomyids?

Omomyids have larger eyes; adapids have smaller eyes

Why do omomyids have large eyes?

Adaptation for nocturnal vision

Which group had longer snouts?

Adapids

Which group had shorter snouts?

Omomyids

Which group relied more on smell?

Adapids (more primitive trait)

Which group relied more on vision?

Omomyids

Which group is more closely linked to human lineage?

Omomyids (haplorhine line)