Simiiformes (monkeys and apes) | CLASSIFICATION

Kingdom Animalia (animals)
- Eumetazoa (metazoans)
  - Bilateria (bilaterally symmetrical animals)
    - Deuterostomia (deuterostomes)
      - Phylum Chordata (chordates)
        
        Craniata (craniates)
        
        Subphylum Vertebrata (vertebrates)
        
        Superclass Gnathostomata (jawed vertebrates)
        
        Euteleostomi (bony vertebrates)
        
        Class Sarcopterygii (lobe-finned fishes and terrestrial vertebrates)
        
        Tetrapoda (tetrapods)
        
        Amniota (amniotes)
        
        Synapsida (synapsids)
        
        Class Mammalia (mammals)
        
        Subclass Theria (Therian mammals)
        
        Infraclass Eutheria (placental mammals)
        
        Order Primates (primates)
        
        Suborder Haplorrhini (monkeys, apes, and tarsiers)
        
        Infraorder Simiiformes (monkeys and apes)
        
        Catarrhini (Old World monkeys and apes)
        
        Platyrrhini (New World monkeys)