Reading Paper 59 - The Marine Life Era on Urantia
https://fifthepochalrevelationfellowship.com/b-i-urantia-book-standardized/papers/paper-59-marine-life-era-urantia.htm
http://fifthepochalrevelationfellowship.com/notes/Paper_59_The_Marine-Life_Era_on_Urantia-2.pptx