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Eolacertilia ("dawn lizards") is an extinct clade of lepidosauriform diapsid reptiles known from the Late Permian to the Late Triassic. It is uncertain as to whether they are a natural group and it has been suggested that they form a "waste basket" taxon. Currently, the only members of the group are Paliguana and Kuehneosauridae. Other genera were transferred to basal groups within Diapsida (such as Palaeagama and Saurosternon), Archosauromorpha ( Tanystropheus and Cteniogenys) and even Sauropodomorpha ( Fulengia).