title: Paleontology. New biomarker proposed for earliest life on Earth.
authors.forename: Richard A
authors.initials: RA
authors.lastname: Kerr
mesh_terms: D001419:Bacteria; D015415:Biomarkers; D002247:Carbon Isotopes / Q000032:analysis; D019015:Geologic Sediments; D019369:Life; D010163:Paleontology; D013019:South Africa; D013995:Time; D018707:Volcanic Eruptions
chemical_list: D015415:Biomarkers; D002247:Carbon Isotopes