The Alien Observatory --"The Vast Majority of Fossils
Discovered in the Universe Will Be Extinct Microbial
Life, Not Dinosaurs or Humanoids" The Daily Galaxy
January 14, 2018
http://www.dailygalaxy.com/my_weblog/2018/01/the-alien-observatory-the-vast-majority-of-fossils-discovered-in-the-universe-will-be-extinct-microb.html
A paper is:
Chopra, A. and Lineweaver, C.H., 2016. The case for a
Gaian bottleneck: the biology of habitability.
Astrobiology, 16(1), pp. 7-22.
https://www.researchgate.net/publication/291334824_The_Case_for_a_Gaian_Bottleneck_The_Biology_of_Habitability?
https://www.researchgate.net/profile/Charley_Lineweaver
http://magonia.com/files/the-case-for-a-gaian-bottleneck.pdf
http://www.nso.lt/science/content/bottleneck.pdf
Another paper is:
Lineweaver, C.H., 2009. Paleontological tests: human-like
intelligence is not a convergent feature of evolution. In
From fossils to astrobiology (pp. 353-368). Springer, Dordrecht.
https://www.researchgate.net/publication/241315068_Paleontological_Tests_HumanLike_Intelligence_Is_Not_a_Convergent_Feature_of_Evolution
https://www.researchgate.net/profile/Charley_Lineweaver
Yours,
Paul H.