†unranked clade Colubriformes Günther 1864
Parent taxon: Colubroides according to H. Zaher et al. 2009
Sister taxon: Thaumastophiidae
Subtaxa: Paraxenophis Periergophis
Distribution:
• Pliocene of Greece (5 collections)
• Miocene of Greece (1), Switzerland (1)
Total: 7 collections including 14 occurrences