Murchison names the permian
Concept that dared not speak its name
Diversity, extinction and mass extinction
What caused the biggest catastrophe of all time?
From the Book - Revised and expanded edition.
Murchison names the Permian
The death of catastrophism
The concept that dared not speak its name
Diversity, extinction and mass extinction
What caused the biggest catastrophe of all time?
The sixth mass extinction?
