Clausocaris lithographica
Clausocaris lithographica is a species of extinct thylacocephalan crustacean known from fossils in the Jurassic Solnhofen limestone. It had enormous eyes, a feature shared by other thylacocephalans such as Dollocaris. That and their raptorial limbs remind me of a research submarine, which is pretty unique. This reconstruction is heavily based on that by Haug et al. (2014)