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With ALL the recent spinosaur discoveries, re-examinations, and namings,
are there ANY spinosaurs OR definitive material that has been assigned
to the spinosaurids, found in North America?
There is a record of an ungual phalanx from the Upper Jurassic of
Colorado which is referred to as spinosaurid, but it could also be more
megalosauroid, possibly from Torvosaurus.