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Dichotomous Key/Primates
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Primates Animalia Chordata Vertebrata Mammalia Placentalia Primates
Mammalia Mammalia Subclasses ../Marsupialia/ - ../Monotremata/ - ../Placentalia/ Mammalia Orders ../Afrosoricida/ - ../Artiodactyla/ - ../Carnivora/ - ../Cetacea/ - ../Chiroptera/ - ../Dermoptera/ - ../Insectivora/ - ../Lagomorpha/ - ../Macroselidae/ - ../Marsupialia/ - ../Monotremata/ - ../Perissodactyla/ - ../Pholidota/ - ../Primates/ - ../Proboscidea/ - ../Rodentia/ - ../Scandentia/ - ../Sirenia/ - ../Xenarthra/
1
Nose
Wet - 2
Dry - 3
2: Strepsirrhini
3: Haplorrhini
Tarsus
Elongated - ../Tarsiiformes/
Not elongated - 4
4: Simiiformes
Nostril direction
Downward - 5
Sideways - 6
5: Catarrhini
Number of cusps on molars
Four - ../Cercopithecoidea/
Five - ../Hominoidea/
6: Platyrrhini
External ears
Very small - ../Nyctipithecidae/
Other - Could be ../Pitheciidae/, ../Atelidae/ or ../Cebidae/