Gemuendina stuertzi, ray-like Placoderm Stegosaurus Time period: Throughout the Pleistocene

Time period: Throughout the Pleistocene

About 125 million years ago

000 pounds

so it may represent an entirely new kind of dinosaur

Gemuendina stuertzi, ray-like Placoderm Stegosaurus Time period: Throughout the PleistoceneGemuendina stuertzi is a placoderm of the order Rhenanida, of the seas of Early Devonian Germany. In life, Gemuendina resembled a scaly ray with an upturned head, or a large finned stargazer. G. stuertzi is often invoked as an example of convergent evolution with its flat body and huge, wing like pectoral fins it has a strong, albeit superficial similarity to rays. Unlike rays, however, both Gemuendina`s eyes and nostrils were placed atop the head,