Submitted by György Chityil ... on Fri, 01/19/2018 - 20:48 Hierarchy: NounDescription: {{biology|geology}} The study of the stratigraphic distribution of fossilsNgram: biostratigraphyNgram Text: biostratigraphySource: WiktionaryIssue: 0Wiktionary tag: biologygeologyNgram Count: 1