Falcatus falcatus desmatosuchus Estos ambientes estaban dominados por

Estos ambientes estaban dominados por ríos

Isisaurus compartía las características típicas de los titanosaurios

and river systems

lo que situaba a Pliosaurus entre los depredadores ápice de estos ecosistemas jurásicos

Height 900mm

Falcatus falcatus desmatosuchus Estos ambientes estaban dominados porFalcatus 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