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The Completeness of the Fossil Record of Mesozoic Birds: Implications for Early Avian Evolution

Figure 3

The mean character completeness metric scores for all Mesozoic birds in each substage.

The bold blue curve represents the mean CCM2 scores, while the thin blue lines above and below it represent one standard deviation above and below the mean. Numbers of specimens are shown by the red curve to indicate sample size.

Figure 3