Some were filled with sediment while some were open, like the one that first attracted Frank’s attention. He has documented some 1,500 paleoburrows so far in Rio Grande do Sul, his home state and also hundreds more in Santa Catarina. But then there's the massive claw marks that line the walls and ceilings - it's now thought that an extinct species of giant ground sloth is behind at least some of these so-called palaeoburrows. d: "bG9vazR3YXJkLmNvLnVr", He and his colleagues believe that there could be several genera such as Catonyx, Glossotherium and the massive, several-ton Lestodon, that once lived in South America and whose fossil remains suggest adaptation for serious digging, while the others believe that there could be extinct armadillos as well, behind this, but apparently Frank and his colleagues are still trying to explain it. They weighed more than an adult elephant. Ancient, giant sloths are the prime suspect behind the creation of these paleoburrows. First published on June 2, 2017 / 3:13 PM. Crews digging a tunnel for a new Los Angeles train line have found the remains of an ancient giant sloth. (function(d) { The extinct giant sloth … };

LOS ANGELES -- Crews digging a tunnel for a new Los Angeles train line have found the remains of an ancient giant sloth. Our ancestors used misdirection to gain the upper hand in close-quarter combat with this deadly creature. The Metropolitan Transportation Authority says a fossilized hip joint was discovered on May 16 in a layer of sandy clay 16 feet below a major thoroughfare where the new rail line is being built. 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The bone is from a Harlan's ground sloth, a mammal that roamed the Los Angeles basin 11,000 years ago. And … All Rights Reserved. Crews digging a tunnel for a new Los Angeles train line have found the remains of an ancient giant sloth. The largest Tunnels Dug by Massive Sloths measured 2,000 feet long, 6 feet tall and 3 to 5 feet wide. This material may not be published, broadcast, rewritten, or redistributed. Tunnels excavated by giant sloths in ancient South America still exist today. They are neatly symmetrical—too neat to have been caused by any known geologic process. The ancient remains were found in Tanque Loma paleontological site, also known as Arroyo Seco, on the northern side of the Santa Elena Peninsula (SEP) in southwest Ecuador. (Courtesy: Heinrich Frank) (, A closer look at those claw marks. (Courtesy: Heinrich Frank) (, Inside the first paleoburrow discovered in the Amazon. A lot of questions are attracting the scientists such as who could have created the tunnels, why and when. ρίον], "beast") is an extinct genus of ground sloths endemic to South America that lived from the Early Pliocene through the end of the Pleistocene. Archaeologists in Mexico Discover Treasure of Mayan Civilization and Giant Sloth Fossils in a Vast Underwater Cave In the world’s biggest underwater cave system, archaeologists have found many ancient Mayan artefacts and fossils of long-extinct creatures, including giant sloths, but warn that the mysteries of the ancient history of the caves may be tarnished by nearby pollution. })(document); Outside the entrance to a paleoburrow. Tightly muscled, angry and swinging its fore legs tipped with wolverine-like claws, it would have been able to defend itself effectively. Image: S. Rae/Flickr. Before Adamy, another Brazilian geologist Heinrich Frank, a professor at the Federal University of Rio Grande do Sul, was zipping down the highway on a Friday afternoon, who happened upon a different, equally peculiar cave which was a mega tunnel. The Metropolitan Transportation Authority says a fossilized hip joint was discovered on May 16 in a layer of sandy clay 16 feet below a major thoroughfare where the new rail line is … Your email address will not be published. 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