When Sea Scorpions Ruled The Seas! GEO GIRL
17:36
Middle Paleozoic Life: New Predators & First Land Animals (from Tiktaalik) | GEO GIRL
20:48
Marine Life in Triassic & Jurassic / Why Life Recovered Slowly After Permian Extinction | GEO GIRL
19:15
Evolution of Sharks Over 450 million years! GEO GIRL
18:06
How Mammals Survived the Asteroid Impact that Wiped Out Dinosaurs | GEO GIRL
11:41
When Giant Scorpions Swarmed the Seas
21:53
When Diversity of Life on Earth Tripled! GEO GIRL
26:13
Earth’s Age- How We Know Earth is 4.55 Billion Years Old | GEO GIRL
24:27