Gemuendina stuertzi, ray-like Placoderm Stegosaurus and few museum replicas are

and few museum replicas are more beautiful or intriguing than the Berlin specimen of Archaeopteryx

About 125 million years ago

Beaufort Series

The white circle on the image at right shows the region of the eggs

Gemuendina stuertzi, ray-like Placoderm Stegosaurus and few museum replicas areGemuendina 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,