Early life: Ancient acritarchs.
Buick
Roger
R
D001419:Bacteria / Q000737:chemistry / Q000166:cytology; D002681:China; D005057:Eukaryotic Cells / Q000737:chemistry / Q000166:cytology; D005580:Fossils; D019015:Geologic Sediments / Q000382:microbiology*; D049690:History, Ancient; D009792:Oceans and Seas; D010802:Phylogeny; D015203:Reproducibility of Results; D012623:Seawater / Q000382:microbiology*; D013019:South Africa