However , the taxonomy of geckos and their families have recently been frequently revised .
To date there are three well - defined lineages ( families ) of geckos , the gekkonine geckos , diplodactyline geckos and pygopod legless lizards .
The taxonomy of geckos and their families have recently been frequently revised .
To date there are three well - defined lineages ( families ) of geckos , the gekkonine geckos , diplodactyline geckos and pygopod legless lizards .