PANTHALASSA: The Ocean That Erased Earth's Monsters

Long before the dawn of dinosaurs, a singular, global superocean wrapped the planet in a suffocating embrace. This was Panthalassa—a continuous body of water dictated by devastating kinetic energy at its surface and toxic stagnation in its depths.

In this deep-sea exploration, we descend through the crushing layers of a Canfield Ocean, where surface waters reached a scalding 50°C (122°F) and the abyss turned into a sulfurous wasteland poisoned by hydrogen sulfide. Yet, within this chemical nightmare, biology metastasized into biomechanical horrors engineered for absolute slaughter. From the armored jaws of Dunkleosteus to the logarithmic tooth-whorl of Helicoprion, witness the apex entities that ruled the darkest chapter of Earth's history, and discover how physics turned this global ocean into a planetary graveyard.

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00:00 - Prologue: The Whisper of the Abyss
02:02 - Part I: The Architecture of the Superocean
04:08 - The Boiling Shallows & Hypercanes
06:12 - The Silt-Dwelling Assassin (Jaekelopterus)
08:16 - Part II: Chronology of Fear (The Kill Zone)
10:19 - The Living Guillotine: Dunkleosteus
12:23 - The Scissor-Mouthed Anomaly (Edestus)
14:25 - The Logarithmic Saw: Helicoprion
16:27 - The Abyssal Spear (Cameroceras & Endoceras)
18:29 - The Sovereign of Carnage: Thalattoarchon
20:31 - Part III: The Euxinic Abyss & Black Smokers

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