Definition of Cambrian explosion
- This “Cambrian explosion” marks the advent (at least into direct evidence) of virtually all major groups of modern animals—and all within the minuscule span, geologically speaking, of a few million years.
- —Stephen Jay Gould, Wonderful Life, 1989
- … he found a shale outcrop, about the length of a city block, containing an unrivaled array of fossils from soon after the moment when complex life burst forth in dazzling profusion—the famous Cambrian explosion.
- —Bill Bryson, A Short History of Nearly Everything, 2003