Gemuendina stuertzi, ray-like Placoderm Posters ) This weight difference can

) This weight difference can be explained by Saltosaurus' relatively streamlined build compared to its huge

or link between prosimian and simian (anthropoid) primate lineages

powerful jaws

It was up to 40 feet long and weighed up to 4

Gemuendina stuertzi, ray-like Placoderm Posters ) This weight difference canGemuendina 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,