caption: The image shows a pair of trilobites on a black surface next to a piece of paper with text written on it. The text reads "Acanthopoleura haddini, a species found in the cretaceous period". The trilobeats are a light brown color and have a smooth, glossy texture. They have a distinct pattern of ridges and bumps on their surfaces. The paper is white and has a few lines of text printed on it, likely providing information about the species.