Tyrannosaurus rex and Triceratops horridus from Hell Creek, 68–66 million years ago, to scale beside a human, in Bonobo Brain's own drawing. A switch shows their skeletons instead of the living animals: 89 parts from the head, teeth and horns to the femur, vertebrae, chevrons and hooves. Hovering…
A drawing of dinosaurs as palaeontologists know them today – the living animals and their skeletons. Hover any part to see its name, click to answer the quiz question.