A modified version of Image:ExtinctionIntensity.svg. Changes: Time runs from left to right (millions of years ago). Vertical axis is apparent percentage
This figure shows the genus extinctionintensity, i.e. the fraction of genera that are present in each interval of time but do not exist in the following
"Big Five" mass extinctions of Raup and Sepkoski (1982) are labeled as well as a number of additional, but less well-known extinction events. Conventional