The Lepidosauria are a subclass of reptiles comprising the orders :

• Squamata
• Sphenodontia or Rhynchocephalia
• Eosuchia Conservation status: Fossil

Lepidosaurians are the most successful of modern reptiles. They comprise all the reptiles with overlapping scales such as the tuataras, amphisbaenians, lizards, and snakes.

External links

http://animaldiversity.ummz.umich.edu/site/accounts/pictures/Lepidosauria.html