Parareptilia is an extinct subclass of basal sauropsids. Traditionally considered the sister taxon to Eureptilia, its validity as a monophyletic clade has been disputed by modern cladistic analyses.

Procolophonia is an extinct clade of basal reptiles, traditionally classified as "parareptiles", that lived from the Middle Permian until the end of the Triassic period. The group includes the largest