Evolutionary Relationships of Vertebrates
19:33
Patterns in Evolution - Part 1
24:24
Correlation - Part 2
1:12:43
Beasts Before Us: The Untold Story of Mammal Evolution
25:11
Precambrian Formation of North America - Part 1
6:21
Why do Animals Look so Strange After Mass Extinctions
2:14:00
Lecture 12 - Precambrian Earth and Life History The Hadean and the Archean Eon
25:26
Patterns in Evolution - Part 2
52:00