Otodus megalodon was the largest predatory fish in Earth's history. Measuring up to 24 meters, it was longer than a truck with a trailer and weighed almost twice as much. Embedded in its jaws were ...

The massive megalodon was not hunting only large marine mammals such as whales as researchers widely thought, a new study of minerals in fossilized teeth has found.

Scientifically known as Otodus megalodon, the Neogene-era shark is estimated to have reached lengths of 50 to 65 feet (15 to 20 meters) and once belonged to a lineage of sharks that evolved during ...

In this study, Megalodon teeth consistently showed some of the lowest δ⁶⁶Zn values across the entire fossil dataset, placing them at the very top of the marine food web.

The teeth used for the study mostly came from 18-million-year-old fossil deposits in the German cities of Sigmaringen and Passau—and sharks in these locations showed different food habits.

Massive megalodon tooth found off Florida coast: What ‘every fossil diver dreams about’ By . Hayley Vawter, FOX Weather. Published May 22, 2025, 11:13 a.m. ET. Originally Published by: ...

To figure this out, scientists looked at the isotope signatures in megalodon teeth. They looked specifically at zinc-64 and zinc-66, common zinc isotopes which are absorbed when animals eat.

SOLOMONS, MD – The Calvert Marine Museum (CMM) is set to unveil an extraordinary new exhibit featuring a never-before-seen collection of teeth from the extinct megatooth shark, megalodon. The ...

Paleobiologist Dr. Kenshu Shimada has been fascinated by fossil sharks, including the giant Otodus megalodon, since childhood — he found his first megalodon tooth at 13 years old. So when he saw ...

No one has ever found complete megalodon skeleton, so previous body length estimates have been based on tooth size. These suggest a maximum length of 15–18 metres. Megalodon teeth can reach 18 ...

Mega-shark Megalodon may have died off because it got too hot. By Mike Wehner. Published Dec 11th, 2018 7:37PM EST. ... Clues to the shark’s body temperature were found in its teeth.

The massive megalodon was not hunting only large marine mammals such as whales as researchers widely thought, a new study of minerals in fossilized teeth has found.