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adap-org1998
Extinction, diversity and survivorship of taxa in the fossil record
M. E. J. Newman, Paolo Sibani
Using data drawn from large-scale databases, a number of interesting trends in the fossil record have been observed in recent years. These include the average decline in extinction…
adap-org1998
Decline in extinction rates and scale invariance in the fossil record
M. E. J. Newman, Gunther J. Eble
We show that the decline in the extinction rate during the Phanerozoic can be accurately parameterized by a logarithmic fit to the cumulative total extinction. This implies that ex…
adap-org1997
Effects of neutral selection on the evolution of molecular species
M. E. J. Newman, Robin Engelhardt
We introduce a new model of evolution on a fitness landscape possessing a tunable degree of neutrality. The model allows us to study the general properties of molecular species und…