Lepidosauromorph

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

References

Category:Reptiles