How paleontologists are using fossilized shark teeth to date the past
Sharks have ruled the Earth’s oceans for 400 million years and recent research on fossilized shark teeth has led to the ...
Smithsonian Magazine5 年
Megalodon May Be Extinct, but There’s a Life-size One at the Smithsonian
An illustration from Steno’s 1667 paper comparing teeth from a dissected shark head to a fossilized tooth. Nicholas Steno Fossil vertebrae that look like gigantic ashtrays gave scientists the fi ...
How a student's teenage curiosity led to the first megalodon discovery in Canada
Louis-Philippe Bateman's fascination with megalodon began with a single sentence in a book about Canada's geological ...
City News1 天
McGill University student finds megalodons used to live in Canada
A McGill student’s fascination with the megalodon — a giant shark that used to live during the time of the dinosaurs — has lead to the discovery that the mighty beast might have once lived near Canada ...
Forbes29 天
How Shark Tooth Forensics Connects Classrooms To Ancient Oceans
Researchers must interpret ecosystems based on fossilized remains and the sedimentary layers in which they are found. Shark teeth are especially valuable for this purpose. Their abundance and ...
Mena FN9 天
Fossil Shark Teeth Are Abundant And Can Date The Past In A Unique Way
By analyzing the strontium levels in fossilized shark teeth, scientists can determine the age of the fossil and gain new insights into the history of the area where the teeth were found.