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The sinkhole that contains the fossil-rich deposits of the Gray Fossil Site is the result of a series of overlapping collapse events that ultimately formed one large basin. Sizable boulders deposited within the lake sediments indicate that the edge of the sinkhole once featured high walls or overhangs where chunks of rock could occasionally ...
Scientists have uncovered evidence of ancient humans engaged in a deadly face-off with a giant sloth, showing for the first time how our ancestors might have tackled such a formidable prey.
Megatherium (/ m ɛ ɡ ə ˈ θ ɪər i ə m / meg-ə-THEER-ee-əm; from Greek méga 'great' + theríon (θηρίον) 'beast') is an extinct genus of ground sloths endemic to South America that lived from the Early Pliocene [1] through the end of the Late Pleistocene. [2]
By Matthew Stock BOURNEMOUTH, England (Reuters) - Scientists have uncovered evidence of ancient humans engaged in a deadly face-off with a giant sloth, showing for the first time how our ancestors ...
Remains of dire wolf, horse, camel, mammoth and ground sloth were also found. [1] Five cobbles displaying use-wear and impact marks were also recovered from the site in Bed E. [1] The research team found cobbles and broken mastodon bones lying together at the site. [1] Uranium-thorium dating of the bones gives a date of around 130,700 (±9,400 ...
The earliest megatheriid in North America was Sibotherium which arrived 5.3 million years ago, after crossing the recently formed Panamanian land bridge. At more than five tons in weight, 6 metres (20 ft) in length, and able to reach as high as 5.2 metres (17 ft), Eremotherium when fully erect was taller than an African bush elephant bull.
Dozens of mammoths were trapped in a South Dakota sinkhole over 100,000 years ago.. A bulldozer uncovered the first fossil 50 years ago, and experts have been finding bones ever since.
Nothrotheriops is a genus of Pleistocene ground sloth found in North America, from what is now central Mexico to the southern United States. [1] This genus of bear-sized xenarthran was related to the much larger, and far more famous Megatherium, although it has recently been placed in a different family, Nothrotheriidae. [2]