This fossilized vomit is older than the dinosaurs
Meghan Bartels
Fossils are remarkable for their ability to viscerally connect us with long-lost life. The bulk of a Tyrannosaurus rex skull, the biting point of a shark tooth, the startling familiarity of a hominin footprint—and then there’s the charm inherent to any sample of regurgitalite, the paleontological term for fossilized vomit.
Okay, charm might be a stretch, but to the right scientist, the rare finds are “little treasures,” says Arnaud Rebillard, a Ph.D. candidate in paleontology at the Natural...