Lizard, 200 million years
Today there are still lizards that resemble the ancient reptiles that existed when the dinosaurs were still roaming the Earth. However, lizards have been on the planet for around 200 million years and today there are more than 4,675 species, including skinks, monitors, Gila monsters, geckos, chameleons, and iguanas.
You are right Amos, everything was created in 7 days by a magic man in the sky.
Carbon dating is not relevant here since it only can date thing that are 50000 years or younger. There are other methods for older things. The theory of evolution makes sense and can explain a lot of the observations that have been done by scientists.