Genetic studies suggest that liverworts — humble, stumpy plants related to mosses, which now commonly grow on damp soils — are the most ancient group of plants alive today. (discovermagazine.com)
Marine sponges are the most ancient group of multicellular animalsliving on Earth. (sciencedaily.com)
Studies of the haplotype distribution of both mitochondrial DNA and Y chromosomes will become increasingly extensive and finely detailed, enabling us to plot the movements of ancient groups with greater precision. (discovermagazine.com)