Sauropsida

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Sauropsida ("lizard-face") is a group of amniotes that includes reptiles, dinosaurs, and birds. Among amniotes, sauropsida is distinguished from theropsida ("beast-face"), also called synapsids.

Taxonomy

Classification to order level, after Benton, 2004.

Series Amniota
- Class Synapsida
  - Order Pelycosauria *
  - Order Therapsida
    - Class Mammalia
- Class Sauropsida
  - Subclass Anapsida
    - Order Testudines (turtles)(?)
  - Subclass Diapsida
    - Order Araeoscelidia
    - Order Younginiformes
    - Infraclass Ichthyosauria
    - Infraclass Lepidosauromorpha
      - Superorder Sauropterygia
        
        Order Placodontia
        
        Order Nothosauroidea
        
        Order Plesiosauria
      - Superorder Lepidosauria
        
        Order Sphenodontida (tuatara)
        
        Order Squamata (lizards & snakes)
    - Infraclass Archosauromorpha
      - Order Prolacertiformes
      - Division Archosauria
        
        Subdivision Crurotarsi
        
        Superorder Crocodylomorpha
        
        Order Crocodilia
        
        Subdivision Avemetatarsalia
        
        Infradivision Ornithodira
        
        Order Pterosauria
        
        Superorder Dinosauria
        
        Order Saurischia
        
        Class Aves
        
        Order Ornithischia

Retrieved from "http://en.wikipedia.org/wiki/Sauropsida"

Category: Tetrapods

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