Inside the Deadliest Ocean in Earth’s History
Few places in Earth’s history combined such extraordinary abundance and constant danger as the vast inland sea that once split North America in two. 🌊🦈
Journey back to the Late Cretaceous and discover the Western Interior Seaway, a lost ocean filled with giant mosasaurs, powerful sharks, enormous predatory fish, diving birds, flying reptiles, sea turtles, ammonites, and countless other creatures that shared one of the most competitive marine ecosystems ever known.
Along the way, we'll uncover how warm greenhouse climates helped create this shallow sea, why oxygen-poor seafloors preserved…
The skinny
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