Home›Class›Member Count Band›Under 10 SpeciesBrowse ByUnder 10 SpeciesFactsUnder 10 SpeciesSourcesComments (0)Reader Challenges (0)FactsComparisonTaxonomic Rank OrderWell-attested4 1Under 10 SpeciesFilter Results3 entriesTaxonomic RankAllClass (3)Common GroupAllArchaeal Classes (1)Arthropod Classes (1)Gymnosperm Classes (1)Everyday GroupAllArchaeal Classes (1)Arthropod Classes (1)Gymnosperm Classes (1)Living or ExtinctAllYes (3)Show ResultsBrowseCompareSelect all 3ArchaeoglobiUnder 10 SpeciesGinkgoopsidaUnder 10 SpeciesMerostomataUnder 10 SpeciesSources1. Wikipedia: Taxonomic ranktier 2WikipediaTaxonomic rank, Fundamental ranks section, rank sequence sentence, classQuote, Taxonomic rank, Fundamental ranks section, rank sequence sentence, classkingdom, phylum or division, class, order, family, genus, and speciesView the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.