Home / Science / A diver discovered a large, 4-foot, 50-pound bone from a Colombian mammoth in the Florida River.

A diver discovered a large, 4-foot, 50-pound bone from a Colombian mammoth in the Florida River.



A pair of divers discover a giant mammoth femur on a diving trip in Florida.

All four feet of leg bones were preserved in sediment at the bottom of the Peace River, about 55 miles from Sarasota.

Roaming the area in the Pleistocene period between 2.6 million and 10,000 years ago, Columbus’ mammoths could reach 13 feet in height and weigh over 10 tons.

Divers, both amateur paleontologists, believe the thigh came from a mammoth that died about 100,000 years ago.

The Peace River is known for its numerous fossils, the pair also found the tooth belonging to the saber-toothed tiger on the same journey.

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Henry Sadler holds a 50-pound femur belonging to a Colombian mammoth.He and his friend Derek Demeter discovered the bone while diving in the Peace River in southwestern Florida.

Henry Sadler holds a 50-pound femur belonging to a Colombian mammoth.He and his friend Derek Demeter discovered the bone while diving in the Peace River in southwestern Florida.

Derek Demeter and Henry Sadler found 50 pounds of bones in one of their regular diving trips.

On an April 25 voyage in the Peace River in southwest Florida, Sadler ran over and told Demeter he had found something ‘remarkable’.

It is a four-foot-long femur belonging to the Columbian mammoth, a distant relative of the Asian elephant that lived in Florida in the Pleistocene period between 2.6 million and 10,000 years ago.

‘When I saw it, I couldn’t believe it, I was rejected,’ Demeter, director of the planetarium at Seminole State College, told the Orlando Sentinel.’It’s really nice to see the findings. ‘

Derek Demeter (pictured) estimates that the bones are about 100,000 years old.The Columbus mammoth lived in Florida in the Pleistocene period between 2.6 million and 10,000 years ago.

Derek Demeter (pictured) estimates that the bones are about 100,000 years old.The Columbus mammoth lived in Florida in the Pleistocene period between 2.6 million and 10,000 years ago.

In addition to being an avid diver, both Sadler and Demeter are amateur paleontologists.

‘It’s a ton but [it’s an] An amazing find! Demeter wrote on social media.

The bone was well preserved, he told Fox 35 because it was buried under sand in the river.

Radiocarbon-dating Not yet operated on the femur. But because of its density, Demeter theorizes that it is about 100,000 years old.

The Columbian mammoth, reaching 13 feet tall and weighing over 10 tons, is one of the largest of its kind.

It traveled to the Western Hemisphere from the northern United States down to Central America.

Mammoths, along with most of the Pleistocene Megafayuna, became extinct some 14,000 years ago.

While they overlapped with the first humans in North America for thousands of years. But it’s unclear whether climate change, over-hunting, or other factors cause them extinction.

Most of the corpses found were contemporary, Demeter told the Sentinel: He and Sadler opened the scallop shell. Shark teeth and even stingray spines

The Columbian mammoth, reaching 13 feet tall and weighing over 10 tons, is one of the largest of its kind.  Experts aren't sure if over-hunting, climate change or a combination of the two led to extinction 10,000 years ago.

The Columbian mammoth, reaching 13 feet tall and weighing over 10 tons, is one of the largest of its kind. Experts aren’t sure if over-hunting, climate change or a combination of the two led to extinction 10,000 years ago.

“ When you discover this fossil and realize these gigantic elephant-like creatures roaming around the once-Florida grasslands, it makes you wonder what it was like in ancient times. ‘ He said, ‘It’s like our time travel. It makes your imagination sensational. ‘

The Peace River is a popular destination for fossil hunters, where Megalodon’s teeth and bones are reportedly found from giant armadillo and sloths in the waters.

On the same day they found a mammoth leg, Sadler also unearthed part of the extinct shark and the teeth belonging to the saber-toothed tiger.

The Peace River is a popular destination for fossil hunters: on the same day they found a mammoth leg, Sadler also unearthed the saber-toothed tiger's fang in the top three.

The Peace River is a popular destination for fossil hunters: on the same day they found a mammoth leg, Sadler also unearthed the saber-toothed tiger’s fang in the top three.

‘Only the top three are a little missing,’ Sadler wrote on Instagram.’It’s a once-in-a-lifetime discovery, like a gigantic leg, Derek and I seem to be lucky together. ‘

Sadler, a junior high school teacher, found other mammoth bones in the river, including some of the spine and jaw.

He donated those samples to the Florida Museum of Natural History. But he used the leg bone as a teaching aid.

‘Right now it’s sitting in a classroom where children can see, feel, feel and really get the history of the natural world,’ said Sadler. And make it come to life for those kids, it’s awesome. ‘


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