Ancient Fossil Reveals a Surprising Truth About Dinosaur Size Indian Defence ReviewArgentine fossil rewrites evolutionary history of a baffling dinosaur clade NatureA chicken-sized dinosaur related to T. rex debunks the hypothesis that its lineage shrank EL PAÍS English90-Million-Year-Old Patagonian Fossil Reveals Missing Chapter in Evolution of Alvarezsauroid Dinosaurs Sci.News'Tiny' dinosaur, big impact: A 90-million-year-old fossil rewrites history Phys.org