Pimiento&Balk.Fig.S2

Geographic trends in Carcharocles megalodon tooth size. A, Tooth size by latitude. The dashed line represents best-fit linear regression model. Black dots represent the middle Miocene (MM) samples, grey dots the late Miocene (LM) samples, and white dots the Pliocene (P) samples. B, Boxplot showing tooth size by hemisphere. C, Boxplot showing tooth size by ocean. D, Tooth size by absolute latitude through time. E, Boxplots showing tooth size by hemisphere through time. F, Boxplots showing tooth size by oceanic region through time.巨齿鲨（Carcharocles megalodon）牙齿尺寸的地理分布趋势。A：按纬度划分的牙齿尺寸。图中虚线代表最优拟合线性回归模型。黑色圆点代表中新世中期（MM）样本，灰色圆点代表中新世晚期（LM）样本，白色圆点代表上新世（P）样本。B：按半球划分的牙齿尺寸箱线图。C：按大洋划分的牙齿尺寸箱线图。D：随时间推移的绝对纬度对应的牙齿尺寸。E：随时间推移的按半球划分的牙齿尺寸箱线图。F：随时间推移的按海洋区域划分的牙齿尺寸箱线图。