However, just like people some dinosaurs had big teeth and others small, so these discoveries are only a clue to their actual size.
They date to the Early Cretaceous Period about 125 million years ago.
The term velociraptorine describes a group of dinosaurs that are similar to the deadly velociraptors, made famous in Steven Spielberg's 1993 film Jurassic Park.
The finds are described in an upcoming issue of Cretaceous Research.
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