more robust stegosaurs

This biomechanical design indicates that Ophthalmosaurus icenicus was a fast and efficient swimmer

Longitud hocico-cola 55 mm

Stegouros' limbs were robust

Falcatus falcatus Variant:Primed more robust stegosaursFalcatus falcatus was a small but extraordinary cartilaginous fish that lived during the Early Carboniferous , approximately 325 million years ago , in what is now North America. It is an extinct species of shark belonging to the group of holocephalans, close relatives of current chimaera, although with unique anatomical characteristics that make it one of the most peculiar fish of its time. Its name, Falcatus , derives from Latin and means "curved