What genus are lizards in?

There are millions of species of lizards, and hundreds of genus, like Rhacodactylus and Pogona, what you must mean is either order or class or maybe even family. all reptiles are in the class Reptilia, and most lizards are in the order squamata. Then for family it gets more specific, geckos are in geckonidae, and agamas are in agamidae, and so on.