Home›Other Invertebrate Genera›Era First Appeared›CretaceousBrowse ByCretaceousFactsCretaceousSourcesComments (0)Reader Challenges (0)FactsComparisonTaxonomic Rank OrderWell-attested7 1CretaceousFilter Results2 entriesTaxonomic RankAllGenus (2)Common GroupAllReef Coral Genera (1)Everyday GroupAllReef Coral Genera (1)Living or ExtinctAllYes (2)Show ResultsBrowseCompareSelect all 2HaliotisCretaceousMontiporaCretaceousSources1. Wikipedia: Taxonomic ranktier 2WikipediaTaxonomic rank, Fundamental ranks section, rank sequence sentence, other invertebrate generaQuote, Taxonomic rank, Fundamental ranks section, rank sequence sentence, other invertebrate generakingdom, 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.