`:::::D.S. Woodroff, U.of CA, San Diego, ``But fossil species remain unchanged throughout most of their history and the record fails to contain a single example of a significant transition.`` Science, Vol.208, 1980, p.716 STEPHEN M. STANLEY, Johns Hopkins U., ``In fact, the fossil record does not convincingly document a single transition from one species to another.`` THE NEW EVOLUTIONARY TIME LE, 1981, p.95  `