Urantia Book

The Marine-Life Era on Urantia (672.1) 59:0.1 WE RECKON the history of Urantia as beginning about one billion years ago and extending through five major eras: (672.2) 59:0.2 1. The prelife era extends over the initial four hundred and fifty million years, from about the time the planet attained its present size to the time of life establishment. Your students have designated this period as the Archeozoic. (672.3) 59:0.3 2. The life-dawn era extends over the next one hundred and fifty million years. This epoch intervenes between the preceding prelife or cataclysmic age and the following period of more highly developed marine life. This era is known to your researchers as the Proterozoic. (672.4) 59:0.4 3. The marine-life era covers the next two hundred and fifty million years and is best known to you as the Paleozoic. (672.5) 59:0.5 4. The early land-life era extends over the next one hundred million years and is known as the Mesozoic. (672.6) 59:0.6 5. The mammalian era occupies the last fifty million y