The World Around Us

Table showing the incidence of modern vertebrates and invertebrates occuring in the fossil record.

This table shows the Incidence of modern vertebrate and invertebrate creatures occurring in the fossil record, based on the information available. It is reasonable to interpret this to mean that the geological record is representative of animal life in those times.

Credit: Based on data from Paul (1990), Romer (1966), Unwin (1993) and Valentine (1989).