Pristiorajea Temporal range: Albian–Recent |
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Sclerorhynchus, a sclerorhynchiform | |
Green sawfish, a pristiform | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Chondrichthyes |
Superorder: | Batoidea |
Clade: | Pristiorajea |
Orders | |
Pristiorajea is a clade of rays containing the Sclerorhynchiformes and the Pristiformes. Members of this clade can be identified by their long, serrated rostrums; however, they are not to be mistaken with the unrelated but very similar-looking sawsharks. They have lived since the Middle Cretaceous period, with the earliest known member of this family being Onchopristis from the Albian period.