 |
| Fig. 2. Brief summary table of major extinction events showing magnitude of diversity loss. |
 |
Fig. 2. Standing diversity through time for families of marine vertebrates and invertebrates. Rarely preserved groups are not included. Five mass extinctions, indicated by numerals, are recognizable by abrupt drops in the diversity curve. The relative magnitudes of these drops (measured from the stage before to the stage after the extinction event) are given in parentheses in the upper left. (Raup & Sepkoski, 1982) |
Figure 2. source: Raup, D.M., & Sepkoski, J.J. (1982) ‘Mass Extinctions in the Marine Fossil Record’, Science, 215, (4539), pp. 1501-1503
