Primates

1. Platyrrhini

1.1. New World Monkey

1.1.1. Diurnal

1.1.2. Arboreal Quadrupeds

1.1.3. Some prehensile tails

1.1.4. Dental formula is 2.1.3.3/2.1.3.3

1.2. Tarsiers

1.2.1. Dry nose

1.2.2. Partially closed eye socket

1.2.3. Nocturnal

1.2.4. Only carnivorous primate

2. Strepsirrhini

2.1. Many are nocturnal

2.2. Many are solitary

2.3. Some with Claws instead of nails

2.4. Rhinarium

2.5. Scent marking

2.6. Orthograde

3. Catarrhini

3.1. Hominoidea

3.1.1. Hylobatidae

3.1.1.1. Brachiation

3.1.1.1.1. Full range of arm motion

3.1.1.1.2. Long, curved fingers

3.1.1.1.3. Small thumbs

3.1.1.1.4. Long arms

3.1.1.1.5. No tail

3.1.2. Hominidae

3.1.2.1. Homininae

3.1.2.1.1. homonini

3.1.2.2. Gorillini

3.1.2.2.1. Knuckle-walking

3.1.2.2.2. Sagittal crest

3.1.2.2.3. Postorbital constriction

3.1.2.2.4. Sexual dimorphism

3.1.2.2.5. Flared zygomatic arches

3.1.2.3. Poninae

3.2. Africa & Asia

3.3. All Diurnal

3.4. Some arboreal, some terrestrial

3.5. Ischial callosities

3.6. Sexual skin

3.7. Sexual dimorphism

3.8. Dental formula is 2.1.2.3/2.1.2.3