Eldredge–Gould (1972) model: morphological stasis in species over most of their lifetime, punctuated by rapid (<100 ky, geological instant) speciation at branching events. Contrast with phyletic gradualism.
Eldredge–Gould (1972) model: morphological stasis in species over most of their lifetime, punctuated by rapid (<100 ky, geological instant) speciation at branching events. Contrast with phyletic gradualism.