Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...

The US National Park Service announced the identification of a new species of ancient shark, Clavusodens mcginnisi, ...

while its anterior teeth were more pointed. This dentition suggests a diet of crustaceans, worms, and small brachiopods, which it likely crushed. This small shark belonged to the obruchevodid group, ...

Teeth from sharks and rays can be used to study their diet, but one of the biggest challenges in shark science is collecting ...

That is why shark teeth are the most abundant vertebrate fossil material on the Earth and in the sea. Scalloped hammerhead on the reef. NOVA: Do sharks have to keep swimming to breathe?

Scientists believe their teeth—which are not used in feeding ... as large as a full-grown whitetip reef shark. During the 20th century, basking sharks were widely fished for their liver ...

The dataset included over 5,300 sightings of six shark species, including hammerhead sharks, tiger sharks and bull sharks, between 2013 and 2019 in the Protea Banks reef of South Africa.

Researchers have discovered a new-to-science species of ancient shark during an ongoing paleontological resource inventory at ...