Eldredge and Gould proposed that the degree of gradualism commonly attributed to Charles Darwin is virtually nonexistent in the fossil record, and that stasis dominates the history of most fossil species.
Eldredge e Gould propuxeron que o grao de gradualismo normalmente atribuído a Charles Darwin virtualmente non existe no rexistro fósil, e que a estase domina a historia da maioría das especies fósiles.