Phoberomys pattersoni lived during a time when South America was isolated from the rest of the world. The isthmus of Panama had not linked the two Americas, and the southern animals evolved ...

The formal name of the rodent is Phoberomys pattersoni. The last term is in honor of Brian Patterson, a Harvard professor who led a fossil-collection expedition to Venezuela in the 1970s.

The rodent, Phoberomys pattersoni, is a member of a diverse group of rodents that includes guinea pigs, porcupines, rats and the South American capybara. Phoberomys pattersoni 6-foot-tall human.

Researchers first described Phoberomys pattersoni in 1980 but until recently had only bone fragments and isolated teeth to study. Despite that limitation, scientists suspected that the animals ...

Scientists have found fossils of what they say is the largest rodent that ever lived, a nine-foot-long, buffalo-sized creature with a long tail and powerful teeth that foraged along the riverbanks ...

The largest rodent that ever lived, Phoberomys pattersoni, weighed about 1,545 pounds (700 kilograms) - more than 10 times the size of today's rodent heavyweight, the 110-pound (50 kilograms ...

The largest rodent that ever lived, Phoberomys pattersoni, weighed about 1,545 pounds (700 kilograms) - more than 10 times the size of today's rodent heavyweight, the 110-pound (50 kilograms ...

Phoberomys pattersoni would have lived a semi-aquatic life, munching sea grass and dodging other strange, gargantuan creatures such as three-metre-long crocodiles, lion-sized marsupial cats and ...

Paleontologists estimate that one, Phoberomys pattersoni, may have weighed as much as 1,300 pounds. Another, Josephoartigasia monesi, was believed to be around 2,000 pounds, as big as a bison.

That's the picture scientists are painting of Phoberomys pattersoni, judged to be the world's largest extinct rodent based on newly classified fossils. The ancient creature, ...