Home›Other Invertebrate Orders›Era First Appeared›PermianBrowse ByPermianFactsPermianSourcesComments (0)Reader Challenges (0)FactsComparisonTaxonomic Rank OrderWell-attested5 1PermianFilter Results1 entryTaxonomic RankAllOrder (1)Common GroupAllTusk Shell Orders (Scaphopoda) (1)Everyday GroupAllTusk Shell Orders (Scaphopoda) (1)Living or ExtinctAllYes (1)Show ResultsGadilidaPermianSources1. 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.