Peter Ward, Joe Kirschvink. A New History of Life. P. 119.
102
Ibid. P. 124.
103
Niles Eldredge, S. J. Gould. Punctuated Equilibria: An Alternative to Phyletic Gradualism // Models in Paleobiology. T. J. M. Schopf (ed.). San Francisco: Freeman Cooper, 1972. P. 82–115.
