Home›Insect Families›Era First Appeared›PermianBrowse ByPermianFactsPermianSourcesComments (0)Reader Challenges (0)FactsComparisonTaxonomic Rank OrderWell-attested6 1PermianFilter Results1 entryTaxonomic RankAllFamily (1)Common GroupAllGround, Diving and Water Beetle Families (Adephaga) (1)Everyday GroupAllGround, Diving and Water Beetle Families (Adephaga) (1)Living or ExtinctAllYes (1)Show ResultsGyrinidaePermianSources1. Wikipedia: Taxonomic ranktier 2WikipediaTaxonomic rank, Fundamental ranks section, rank sequence sentence, insect familiesQuote, Taxonomic rank, Fundamental ranks section, rank sequence sentence, insect familieskingdom, 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.