Science Were early dinosaurs herd animals? New discovery points to dino-gregariousness.

A fox-sized dinosaur unearthed in Venezuela lends support to the belief that dinosaurs lived in herds early on in their evolution.

By , LiveScience Contributor

© Mark Witton

The fossil of a new two-legged, fox-sized dinosaur relative of both Stegosaurus and Triceratops, which dates back about 200 million years, has been discovered in Venezuela. The find suggests that dinosaurs advanced quickly across the globe after a mass extinction claimed at least half of all species on Earth, researchers say.