Home›Amphibian Orders›Era First Appeared›CretaceousBrowse ByCretaceousFactsCretaceousSourcesComments (0)Reader Challenges (0)FactsComparisonTaxonomic Rank OrderWell-attested5 1CretaceousFilter Results1 entryTaxonomic RankAllOrder (1)Parent Taxon (Taxonomy Tree)AllAmphibia (1)Common GroupAllLiving Amphibian Orders (1)Everyday GroupAllLiving Amphibian Orders (1)Geographic DistributionAllAfrica (1)Asia (1)Living or ExtinctAllYes (1)Show ResultsGymnophionaCretaceousSources1. Wikipedia: Taxonomic ranktier 2WikipediaTaxonomic rank, Fundamental ranks section, rank sequence sentence, amphibian ordersQuote, Taxonomic rank, Fundamental ranks section, rank sequence sentence, amphibian 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.