Lepidosauromorpha is a group of reptiles comprising all diapsids closer to lizards than to archosaurs (including crocodiles and birds). The only living sub-group is the Lepidosauria: extant lizards, snakes, and tuatara.

Classification

• Subclass Diapsida
  • LEPIDOSAUROMORPHA
    • Acerosodontosaurus (extinct)
    • Superorder Sauropterygia - Plesiosaurs (extinct)
    • Lepidosauriformes
      • Order Eolacertilia (extinct)
        • Icarosaurus
        • Kuehneosaurus
      • Superorder Lepidosauria
        • Order Sphenodontia - Tuatara
        • Order Squamata
          • Suborder Lacertilia - Lizards
            • Family Mosasauridae
          • Suborder Serpentes - Snakes
          • Suborder Amphisbaenia - Worm lizards

Lepidosaurs

Lepidosauromorpha