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'Following the paper’s publication in Cretaceous Research, an online campaign with the hashtag #UbirajaraBelongsToBrazil called for the specimen’s return, citing palaeontological colonialism, in which scientists from wealthy nations take fossils from low- and middle-income nations. Because it is the only known specimen of its kind and is well preserved, researchers consider the Ubirajara fossil to be a holotype — a gold-standard specimen used to describe a new species'
