Lepidosauromorph

Lepidosauromorphs Temporal range: Late Permian – Recent
A Plumed Basilisk
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Sauropsida
Subclass:	Diapsida
Infraclass:	Lepidosauromorpha Benton, 1983

The Lepidosauromorphs are a large group of reptiles. It includes all diapsids closer to lizards than to archosaurs.

The only living sub-group is the Lepidosauria: lizards, snakes, and the tuatara.

The most important fossil group, the Sauropterygia, includes the plesiosaurs.

Classification

• Subclass Diapsida
  • Infraclass Lepidosauromorpha
    • Superorder †Sauropterygia – †Plesiosaurs
    • Lepidosauriformes
      • Order †Eolacertilia
      • Superorder Lepidosauria
        • Order Sphenodontia – Tuatara
        • Order Squamata
          • Suborder Amphisbaenia – Worm lizards
          • Suborder Lacertilia* – Lizards
            • Family †Mosasauridae
          • Suborder Serpentes – Snakes