Megalonyx - Wikipedia
Megalonyx is notable for having been originally described by future U.S. President Thomas Jefferson in 1799 based on remains found in West Virginia; the species M. jeffersonii was described later, named in honor of him.
Facts About the Giant Ground Sloth | Live Science
2016年11月5日 · Megalonyx jeffersonii was the largest of the ground sloths in family Megalonychidae, reaching the size of an ox when fully grown, said Ken Wilkins, an associate dean for sciences...
Weighing Over 2,000 Pounds, Giant Ground Sloths Once Roamed …
2024年2月7日 · But the largest of the land dwelling giant ground sloths, Megalonyx jeffersonii, could grow up to an astonishing three meters long (9.8 feet) and may have weighed up to a ton (2,205 pounds). Where Did Giant Ground Sloths Live?
Megalonyx Jeffersonii Fossils | Monticello
2021年11月10日 · In 1804 Jefferson was credited as the discoverer of the Megalonyx, an animal that is indeed related to the sloth family, and in 1822 the French naturalist Anselme Desmarest gave the extinct animal its formal name: Megalonyx jeffersonii.
Jefferson’s Ground Sloth | Explore the Ice Age Midwest
Jefferson’s ground sloth, Megalonyx jeffersonii, is a Megalonychid ground sloth and one of two types of ground sloth that have been recovered from Ice Age sites in the Midwest. You can read about the other type, Harlans' ground sloth, here.
Giant Ground Sloth (Megalonyx): Facts and Figures - ThoughtCo
2019年2月26日 · The prototypical prehistoric sloth, the Giant Ground Sloth (genus name Megalonyx, pronounced MEG-ah-LAH-nix) was named by future American president Thomas Jefferson in 1797, after he examined some bones forwarded to him from a cave in West Virginia.
Megalonychidae - Wikipedia
Megalonyx jeffersonii skeleton cast produced and distributed by Triebold Paleontology Incorporated. Megalonyx, which means "giant claw", is a widespread North American genus that lived past the close of the last (Wisconsin) glaciation, when so many large mammals died out.Remains have been found as far north as Alaska and the Yukon. [9] [10] Ongoing …
Jefferson's Ground Sloth (Megalonyx jeffersonii) - iNaturalist
Megalonyx (Greek, 'large claw') is an extinct genus of ground sloths of the family Megalonychidae endemic to North America from the Hemphillian of the Late Miocene through to the Rancholabrean of the Pleistocene, living from ~10.3 Mya—11,000 years ago, existing for approximately 10.289 million years.
Megalonyx jeffersonii (Jefferson's ground sloth) - The Recently …
First record of the extinct ground sloth, Megalonyx jeffersonii, (Xenarthra, Megalonychidae) from New York and contributions to its paleoecology. Quaternary International. https://doi.org/10.1016/j.quaint.2018.11.021 [ Abstract ]
Paleobiology of Jefferson’s Ground Sloth (Megalonyx jeffersonii ...
2022年11月1日 · Megalonyx jeffersonii was the size of a modern ox, Bos taurus. The species first appeared (McDonald, Citation 1977) in the late Irvingtonian (250–300 ka) and is the only species of the genus recorded during the Rancholabrean.