shark, Mammoth Cave National Park

340-million-year-old 'nail tooth' shark found deep inside Mammoth Cave in Kentucky
Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about a mysterious group of extinct predators.
World's longest cave reveals tiny 'Chipmunk Shark' species with iron nail-like teeth
The US National Park Service announced the identification of a new species of ancient shark, Clavusodens mcginnisi, discovered in Mammoth Cave National Park. The species name honors David McGinnis for his leadership in paleontological resource stewardship.
Ancient tiny shark species discovered at Mammoth Cave National Park
A tiny shark species dating back hundreds of millions of years has been identified at Mammoth Cave National Park in Kentucky, the National Park Service said.
New Shark Species Identified At Mammoth Cave National Park
A new species of shark has been discovered a Mammoth Cave National Park, where fossil records have revealed more than 70 species of shark that swam in the ocean when this part of present-day Kentucky was under water about 340 million years ago.
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.
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 ...
Man Stunned at What 'Small White Object' Found in Bag of Gravel Really Is
Steven Phillipe was doing some landscaping when he spotted something instantly recognizable but completely baffling.
Kansas City Star4d
‘Chipmunk shark’ lurked 340 million years ago. Its teeth were just found in Kentucky
which resemble old iron nails, and retired National Park Service superintendent and naturalist David McGinnis, rangers said in a March 10 news release. The shark’s distinctive teeth were ...
Massive megalodon was even longer than scientists thought
Megalodon may have been up to 80 feet long, but the colossal extinct shark was also probably thinner than scientists ...
Natural History Museum%2c London5mon
Megalodon: the truth about the largest shark that ever lived
Megalodon teeth can reach 18 centimetres long ... The oldest definitive ancestor of megalodon is a 55-million-year-old shark known as Otodus obliquus, which grew to around 10 metres in length.
IFLScience4d
New 340-Million-Year-Old “Chipmunk Shark” Species Discovered In Mammoth Cave National Park
the shark’s back teeth look a bit like old iron nails. These chompers were used to crush prey such as crustaceans, small brachiopods, and worms. Its front teeth, however, were more chisel-like ...