Students sort teeth in any way they want – such as by size, color or shape. Then, they learn how scientists typically classify fossils and practice sorting the teeth by species of shark and by ...

The fossil shark ... chomping mackerel shark. Photo: F. Spindler “The complete specimens from Mexico reveal that Ptychodus was a fast-swimming open water shark (similar in shape to the living ...

Recently, a nine-million-year-old sea giant was found in remarkable shape in a Peruvian desert ... "There are not many complete shark (fossils) in the world." - Mario Urbina What has been learned ...

On October 11, which is National Fossil Day, scientists found a new species of petalodont shark – a type of shark with petal-shaped teeth. This discovery was made in the Ste—Genevieve ...

While some researchers have compared megalodon to a gigantic version of the stocky great white shark, others believe the species had a more slender body shape. A new paper published in the journal ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

By analyzing the fossil ... Their shape, depth and orientation suggested that they were made by two predators: a small- to medium-size crocodilian and a tiger shark. The crocodile-like creature ...

As a result, scientists often infer the appearance and behavior of these animals from fossil teeth and scales, which are much more common but less informative. This makes investigating rare shark ...

Hodnett said the shark likely operated its mouth like a pair of tweezers, crushing prey with its petal-shaped teeth. Complete Janassa fossils give clues to how the Mammoth Cave shark might have ...

She and her husband take people fossil hunting on their private property every day and said that folks have a good chance of finding shark teeth that are 2 inches or bigger, but the tooth the ...