Home›Phylum›Era First Appeared›TriassicBrowse ByTriassicFactsTriassicSourcesComments (0)Reader Challenges (0)FactsComparisonTaxonomic Rank OrderWell-attested3 1TriassicFilter Results2 entriesTaxonomic RankAllPhylum / Division (2)Common GroupAllAlgal and Protist Phyla (1)Minor Animal Phyla (1)Everyday GroupAllAlgal and Protist Phyla (1)Minor Animal Phyla (1)Living or ExtinctAllYes (2)Show ResultsBrowseCompareSelect all 2AcanthocephalaTriassicOchrophytaTriassicSources1. Wikipedia: Taxonomic ranktier 2WikipediaTaxonomic rank, Fundamental ranks section, rank sequence sentence, phylumQuote, Taxonomic rank, Fundamental ranks section, rank sequence sentence, phylumkingdom, 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.