root root 5 superkingdom Eukaryota 5 kingdom Metazoa 5 phylum Chordata 5 subphylum Craniata 5 superclass Gnathostomata 5 class Mammalia 5 superorder Euarchontoglires 4 order Primates 4 suborder Haplorrhini 3 superfamily Hominoidea 3 family Hominidae 3 genus Homo 2 species Homo sapiens 2 subspecies Homo sapiens neanderthalensis 1