Home›Plant Genera›Era First AppearedBrowse ByEra First AppearedFactsEra First AppearedSourcesComments (0)Reader Challenges (0)FactsComparisonTaxonomic Rank OrderWell-attested7 1Era First AppearedTriassicEra First Appeared2 entriesJurassicEra First Appeared6 entriesCretaceousEra First Appeared4 entriesPaleogeneEra First Appeared10 entriesNeogeneEra First Appeared10 entriesQuaternaryEra First Appeared6 entriesSources1. Wikipedia: Taxonomic ranktier 2WikipediaTaxonomic rank, Fundamental ranks section, rank sequence sentence, plant generaQuote, Taxonomic rank, Fundamental ranks section, rank sequence sentence, plant generakingdom, 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.