Carnotaurus 1/4 Scale Skull, model Stegosaurus He saw at once that

He saw at once that it was an important find and recognized that it represented a transitional form - but not in the "Darwin" sense

triangular spikes may have protruded laterally along each side of the tail

This extreme variation has prompted some paleontologists to consider Dickinsonia a fungus or protist rather than an animal

Both the creature's jaws were elongated and sported forward-facing tusks

This is a replica of an unidentified species of bird

Carnotaurus 1/4 Scale Skull, model Stegosaurus He saw at once thatIn Cretaceous Argentina, Carnotaurus fiercely guarded his place at the top of the food chain. The species displayed several bizarre features, most prominent of which was a pair of bull like horns above the creature's eyes. Carnotaurs were related to a primitive group of theropods called Abelisaurids. This relationship probably puts Carnotaurus closer to Allosaurus than to Tyrannosaurus rex, though it doesn't appear that any of these three lived at the