Retrograde Evolution During Major Extinction Crises

1. Evolutionary Trends During Periods of Relative Ecological Equilibrium
Jean Guex

2. Sublethal Environmental Stress
Jean Guex

3. Retrograde Polymorphism in Some Planktonic Foraminifera
Jean Guex

4. Trend Reversals in Radiolaria During Extinction Periods
Jean Guex

5. Evolution of Some Cephalopods During Major Extinctions
Jean Guex

6. Retrograde Evolution of Corals at the End Triassic Crisis
Jean Guex

7. Retrograde Evolution of Early Triassic Conodonts
Jean Guex

8. Genetic Memory in the Evolution of Silicoflagellids
Jean Guex

9. Conclusions
Jean Guex

Nyckelord: Life Sciences, Evolutionary Biology, Biodiversity, Paleontology, Microbiology, Invertebrates