Fossils found under tons of Kitty Litter

From Bozeman, Mont., at the 61st annual meeting of the Society for Vertebrate Paleontology

Excavations in southeastern Missouri have yielded fossils of ancient aquatic reptiles, as well as evidence of the impact that scientists suspect killed off the dinosaurs.

When miners were digging clay from the bottom of a large pit near Artiola in 1999, they exposed three layers of sediment, each about a half-meter thick, says Carl E.