Under the uniformitarian dates assigned by secular [[geologist]]s, it represents approximately the period of Earth's history from 251 million years ago to 65 million years ago.<ref>Gradstein, F.M., and Ogg, J.G.,[http://www.stratigraphy.org/scale04.pdf Geologic Time Scale 2004 – Why, How, and Where Next!]</ref> Under this timetable, it is most famous for being the era of the [[dinosaur]]s. | Under the uniformitarian dates assigned by secular [[geologist]]s, it represents approximately the period of Earth's history from 251 million years ago to 65 million years ago.<ref>Gradstein, F.M., and Ogg, J.G.,[http://www.stratigraphy.org/scale04.pdf Geologic Time Scale 2004 – Why, How, and Where Next!]</ref> Under this timetable, it is most famous for being the era of the [[dinosaur]]s. |