home Mind-Boggling Stories What Did Sharks Look Like 450 Million Years Ago?

What Did Sharks Look Like 450 Million Years Ago?

Sharks have survived through 5 mass extinctions! Find out how they’ve evolved throughout millions of years.
How Can We Stop Sharks From Going Extinct? –
Sign Up For The Seeker Newsletter Here –
Read More:

Spiral-toothed fossil mystery solved

“US researchers used CT scans to build a computer model of what Helicoprion looked like and how it ate. They were also able to resolve a continuing puzzle over whether the unique saw-like spirals were located inside or outside the mouth. The findings show the animals were more closely related to modern chimaeras, or ratfish, than sharks.”

Great White Shark Evolution Debate

“A significant debate is currently underway in the scientific community over the evolution of the Great White shark, and Chuck Ciampaglio, Ph.D., an assistant professor of geology at the Wright State University Lake Campus, is right in the middle of it. The issue is if the Great White, one of the most feared predators of the sea, evolved from the huge prehistoric megladon shark or if its ancestry rests with the mako shark.”

Sharks Have Different Personalities Just Like Humans: Study

“In a study featured in the Journal of Fish Biology, scientists from Macquarie University in Sydney, Australia discovered that Port Jackson sharks have shown evidence of being shy, while others seem a bit more risk-taking than the rest of their kind. Some sharks are even less able to handle stress than others.”
____________________

DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won’t find anywhere else! New videos twice daily.



Watch More DNews on Seeker

Subscribe now!

DNews on Twitter

Trace Dominguez on Twitter

DNews on Facebook

DNews on Google+

Discovery News

Download the Seeker Daily App:

Sign Up For The Seeker Newsletter Here –

Video credit to DNews YouTube channel