Taxonomy & Evolution
16 entries in the Taxonomy & Evolution compendium.
Domain (taxonomy)Highest taxonomic rank of all organisms.Earliest known life formsEarliest known life forms: at least 3.5 billion years old, with possible traces back to 4.1 billion years.Family (taxonomy)Taxonomic rank between order and genus in Linnaean classification.FossilFossils are preserved remains of ancient life, key to evolution.GenusA taxonomic rank above species and below family, used in biological classification.Incertae sedisA term for taxa with unknown or undefined broader relationships.Infraspecific nameScientific name for any taxon below species rank in botany.Kingdom (taxonomy)Second highest taxonomic rank, below domain.SpeciesBasic unit of classification and biodiversity.Species complexA group of closely related species with unclear boundaries.Realm (virology)Highest taxonomic rank for viruses, grouping by conserved traits.PhylumA taxonomic rank below kingdom and above class.Race (taxonomy)An informal taxonomic rank for intraspecies populations.Order (taxonomy)A taxonomic rank between family and class in biological classification.Division (taxonomy)A taxonomic rank with different usage in botany and zoology.Class (taxonomy)A taxonomic rank grouping related orders.
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