The central focus of this vibrant prehistoric scene is a large, orange-brown Tyrannosaurus rex striding forward with its mouth open, positioned in the middle of a dusty, earth-toned plain. Surrounding the T-Rex are various other dinosaurs including a blue-toned Iguanodon, a green-tinted Stegosaurus, a pinkish-grey Triceratops, and a small Coelophysis. In the distance, a long-necked Brachiosaurus towers over the landscape near an active volcano emitting smoke into a pale, overcast sky. Two Pterosaurs are shown in mid-flight above the terrestrial creatures.
The composition is framed by a decorative border consisting of circular vignettes containing close-up portraits of the species mentioned. Each portrait is paired with a rectangular label identifying the dinosaur, such as Allosaurus, Parasaurolophus, and Archaeopteryx. The artwork utilizes a detailed illustrative style with realistic shading, depicting lush prehistoric flora like ferns and palm-like trees in the foreground to create a sense of depth.
The colour palette is earthy and warm, dominated by terracotta, ochre, and muted greens, contrasting with the cool blue tones of the distant mountains and sky. The lighting suggests a bright, hazy day, casting soft shadows beneath the dinosaurs as they move through the arid environment. The overall mood is active and adventurous, capturing a dramatic moment of life in a primordial world.