Timeline of Cambrian research

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This timeline of Cambrian research is a chronological listing of events in the history of geology and paleontology focused on the study of Earth during the span of time lasting from 538.8 to 485.4 million years ago (dates as per 2022 revision){{cite web |title=International Chronostratigraphic Chart v2022/02 |url=https://stratigraphy.org/ICSchart/ChronostratChart2022-02.pdf |publisher=International Commission on Stratigraphy |access-date=2 May 2022}} and the legacies of this period in the rock and fossil records.