Home›Class›Era First Appeared›SilurianBrowse BySilurianFactsSilurianSourcesComments (0)Reader Challenges (0)FactsComparisonTaxonomic Rank OrderWell-attested4 1SilurianFilter Results7 entriesTaxonomic RankAllClass (7)Parent Taxon (Taxonomy Tree)AllArthropoda (3)Common GroupAllAnnelid Classes (1)Arthropod Classes (4)Mollusc Classes (1)Vertebrate Classes (1)Everyday GroupAllAnnelid Classes (1)Arthropod Classes (4)Mollusc Classes (1)Vertebrate Classes (1)Geographic DistributionAllAustralia (1)New Zealand (1)The Antarctic (1)The Caribbean (1)The Mediterranean (1)United States (1)Living or ExtinctAllYes (7)Show ResultsBrowseCompareSelect all 7ArachnidaSilurianChilopodaSilurianClitellataSilurianDiplopodaSilurianPycnogonidaSilurianSarcopterygiiSilurianScaphopodaSilurianSources1. Wikipedia: Taxonomic ranktier 2WikipediaTaxonomic rank, Fundamental ranks section, rank sequence sentence, classQuote, Taxonomic rank, Fundamental ranks section, rank sequence sentence, classkingdom, 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.