Home›Other Invertebrate Orders›Era First AppearedBrowse ByEra First AppearedFactsEra First AppearedSourcesComments (0)Reader Challenges (0)FactsComparisonTaxonomic Rank OrderWell-attested5 1Era First AppearedCambrianEra First Appeared1 entryOrdovicianEra First Appeared1 entrySilurianEra First Appeared2 entriesDevonianEra First Appeared4 entriesCarboniferousEra First Appeared4 entriesPermianEra First Appeared1 entryJurassicEra First Appeared1 entryCretaceousEra First Appeared5 entriesSources1. Wikipedia: Taxonomic ranktier 2WikipediaTaxonomic rank, Fundamental ranks section, rank sequence sentence, other invertebrate ordersQuote, Taxonomic rank, Fundamental ranks section, rank sequence sentence, other invertebrate orderskingdom, 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.