First unequivocal fossil evidence of eukaryotes occurs in rock

Range ~1,200 Mya
Organism Eukaryotes
Reference Topley and Wilson's Microbiology and Microbial Infections, John T. Magee, Taxonomy and nomenclature of bacteria, p.17 left column 2nd paragraph
Primary Source Lipps, J.H. 1993. Fossil procaryotes and protests. Boston: Blackwell Scientific Publications.
Comments Mya=Million years ago. The first unequivocal fossil evidence of eukaryotes occurs in rock about 1.2?10^9 years old, with less convincing evidence back to 1.8?10^9 years (primary source).
Entered by Uri M
ID 107503