Onchosaurus


Onchosaurus is an extinct genus of sclerorhynchoid fish from the Late Cretaceous. Its fossils have been found in the Cretaceous sediments of Egypt, Brazil, Congo, Morocco, France, Niger, Japan, Colombia, Chile, Peru and the United States.

Description

These sclerorhynchid sawskates are only known by isolated vertebra and rostral spines. On the basis of fossil findings they are considered large, bottom-dwelling fishes, mainly inhabiting shallow marine habitats, but they were also powerful swimmers.

Species

Species within this genus include: