Home›Mammal Orders›Era First Appeared›CretaceousBrowse ByCretaceousFactsCretaceousSourcesComments (0)Reader Challenges (0)FactsComparisonTaxonomic Rank OrderWell-attested5 1CretaceousFilter Results3 entriesTaxonomic RankAllOrder (3)Parent Taxon (Taxonomy Tree)AllMammalia (2)Common GroupAllLaurasiatherian Orders (1)Marsupial Orders (1)Everyday GroupAllLaurasiatherian Orders (1)Marsupial Orders (1)Geographic DistributionAllAustralia (1)Canada (1)North America (1)South America (1)United States (1)Living or ExtinctAllYes (3)Show ResultsBrowseCompareSelect all 3DidelphimorphiaCretaceousEulipotyphlaCretaceousMonotremataCretaceousSources1. Wikipedia: Taxonomic ranktier 2WikipediaTaxonomic rank, Fundamental ranks section, rank sequence sentence, mammal ordersQuote, Taxonomic rank, Fundamental ranks section, rank sequence sentence, mammal 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.