Scientific American2d
The Horned and Armored Dinosaurs Were the Gladiators of the Mesozoic
Studies of the horns, spikes, plates and clubs of dinosaurs could help settle a long-standing debate over their function ...
lpm3d
Fossils of chipmunk shark, an ancient species with an adorable name, found in Mammoth Cave
“This is everything from our brachiopods and crinoids and sharks from the limestones we have here, to plant fossils that we have from our sandstones, to the short faced bear and saber toothed cat and ...
WKMS4d
Fossils of chipmunk shark, an ancient species with an adorable name, found in Mammoth Cave
“This is everything from our brachiopods and crinoids and sharks from the limestones we have here, to plant fossils that we have from our sandstones, to the short faced bear and saber toothed ...