Geology of the Cambrian & Ordovician 542 - 444 Mya | GEO GIRL
21:53
When Diversity of Life on Earth Tripled! GEO GIRL
26:33
Life in the Cambrian & Ordovician ~542-444 mya | GEO GIRL
20:57
Geology of the Carboniferous and Permian ~360-252 Million Years Ago | GEO GIRL
23:00
5 Times Supercontinents Caused Major Diversification & Devastation of Life | GEO GIRL
29:02
Cambrian Explosion- More like PREcambrian Explosion & Cambrian Skeletonization | GEO GIRL
18:57
Will Mammals Be Wiped Out By The Formation Of The Next Supercontinent? GEO GIRL
27:51
The "Boring Billion"- What Really Happened 1.8 to 0.8 Billion Years Ago? GEO GIRL
20:40