EntityQ4839645· pop 5· linked from 81 articlesBackground extinction rateSign in to savestandard rate of extinction in earth's geological and biological history before humans became a primary contributor to extinctionsConnectionsgeologic time scaleEntityextinction eventEntitymammalEntityInternational Standard Book NumberEntityfrequencyEntityclimate changeEntityinvertebrateEntityInternational Union for Conservation of NatureEntitynatural selectionEntityextinctionEntitydigital object identifierEntityInternational Standard Serial NumberEntityEchinodermataEntityJurassicEntityplanktonEntityPaleozoicEntityBivalviaEntitySilurianEntityCenozoicEntityPhanerozoicEntityCategoriesExtinctionTemporal rates