Giant 24-Meter Megalodon Vertebrae Rediscovered in Denmark Reveal Size and Lifespan

Researchers have rediscovered giant vertebrae of the ancient Megalodon shark, lost for nearly 40 years in Denmark, shedding new light on the predator's immense size, lifespan, and diet. The vertebrae were originally found in southern Denmark in 1978 but went missing during a museum collection transfer in 1989. Recently, a team at the Natural History Museum of Southern Jutland located some of these fossils, now cataloged as NHMD 157890.

Led by Professor Kensho Shimada from DePaul University in Chicago, the study published in Palaeontologia Electronica reports vertebrae diameters up to 23 centimeters, the largest ever recorded in sharks and possibly all fish. Comparing these vertebrae to a smaller Megalodon skeleton found in Belgium, researchers estimate the Danish specimen measured approximately 24.3 meters (nearly 80 feet) long, confirming the highest size estimates for the species.

CT scans revealed at least 64 growth rings in the vertebrae, indicating the shark lived at least 64 years, with theoretical models suggesting a maximum lifespan of up to 96 years, exceptional for a marine predator of this scale. Additionally, remains of a large fish from the Cetorhinidae family found alongside the vertebrae may represent stomach contents, providing rare insight into the Megalodon's diet.

The Danish site is also the northernmost location where scientific evidence of Megalodon has been found, expanding knowledge of its geographic range. While larger individuals are theoretically possible, the 24.3-meter length remains the largest empirically supported size for this extinct apex predator, which vanished millions of years ago. This rediscovery marks a significant scientific achievement and offers a rare glimpse into one of Earth's greatest marine predators.