A topic within Palaeontology, itself one of 10 topics in that field and part of Biology.
2 works
Martin F. Glaessner
Argues the soft-bodied Ediacaran impressions found across several continents are genuine multicellular animals and not inorganic or algal structures, establishing them as the oldest known animal fossils.
J. William Schopf & Bonnie M. Packer
Reports filamentous microstructures in 3.5-billion-year-old Australian chert as the oldest fossil evidence of life, a claim later re-examined and partly disputed as inorganic mineral artefacts rather than biology.