Paleontology Plot Twist: New Research Shows Nanotyrannus Is Separate Species‚ Not “Juvenile T. rex”
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Paleontology Plot Twist: New Research Shows Nanotyrannus Is Separate Species‚ Not “Juvenile T. rex”

Nanotyrannus was a smaller‚ longer-armed relative of T. rex‚ with a narrower snout. A new analysis of fossils believed to be juveniles of T. rex...