Kingdom Animalia Suborder Pristoidea Phylum Chordata Order Batoids | Class Chondrichthyes Family Sclerorhynchidae Rank Genus | |
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Similar Batoids, Sclerorhynchus, Libanopristis, Micropristis, Brannerion | ||
Onchosaurus is an extinct genus of cartilaginous fishes belonging to the family Sclerorhynchidae.
Contents
These extinct fishes lived in the Cretaceous period, from 84.9 to 66.043 Ma. Fossils have been found in the Cretaceous sediments of Egypt, Morocco, France, Niger, Peru and United States.
Description
These sclerorhynchiform sawfishes 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:
References
Onchosaurus Wikipedia(Text) CC BY-SA