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shark, Mammoth Cave

‘Chipmunk shark’ lurked 340 million years ago. Its teeth were just found in Kentucky

A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk shark” by researchers who found its fossils in Kentucky.

WDKY Lexington on MSN · 3d

Fossilized ‘Chipmunk Shark’ teeth discovered in Mammoth Cave rock layer

The Chipmunk Shark was believed to have swam along the ocean floor that is said to have covered much of central Kentucky during the Middle Mississippian period, officials claim.

IFLScience on MSN · 3d

New 340-Million-Year-Old “Chipmunk Shark” Species Discovered In Mammoth Cave National Park

What kind of creatures were kicking about in the oceans 340 million years ago? We’ve now got a slightly clearer picture thanks to the discovery of a small but mighty ancient shark species found fossilized in the depths of the world’s longest cave system,

When Megalodon Bit Megalodon: Fossilized Teeth Show Signs Of Shark-On-Shark Damage

A small but fascinating collection of Megalodon teeth exhibit deep bite marks from other Megalodons, raising questions about ...

Salon5d

Extinct megalodon shark was even bigger than previously thought

Yet back then, any one of these creatures could become prey to the ocean's fiercest apex predator: the megalodon, a giant shark with massive teeth and a body the size of a whale. In many ways ...

5don MSN

Megalodon's body size and form uncover why certain aquatic vertebrates can achieve gigantism

A new study provides many new insights into the biology of the prehistoric gigantic shark megalodon (megatooth shark), which ...

13d

Tracing Marine Oxygen Loss Through Fossilized Shark Teeth

A study explores how uranium isotopes in fossilized shark teeth could provide insights into historical ocean anoxia, with ...

Natural History Museum%2c London1y

Shark evolution: a 450 million year timeline

flexible tissue is their teeth. The group includes the more famous animals such as whale sharks and great whites, but also all rays, skates and the little-known chimaeras (also known as ratfish, ...

CNN3d

Massive megalodon was even longer than scientists thought

Along with teeth, the existing fossil record includes parts of giant shark skeletons from the same period, including a 36-foot-long (11-meter-long) section of a fossilized spinal column from ...

Hosted on MSN5mon

A spooky discovery deep in the Pacific: A new species of ghost shark

Ghost sharks, also known as chimaeras ... scale-free skin, and beak-like teeth. They are largely confined to the ocean floor up to 2,600 meters (8,530 feet) deep, feeding off crustaceans such ...

WLKY on MSN1d

Another new shark species discovered inside Mammoth Cave fossil bed

An ongoing Paleontological Resource Inventory discovered the new species, called Clavusodens mcginnisi, while collecting ...

The Independent on MSN5mon

New species of otherworldly ghost shark discovered in New Zealand

"Ghost sharks like this one are largely confined to ... such as shrimp and molluscs with their distinctive beak-like ...

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