TIEFENZEITNews from deep timeMesozoic
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DinosaursBones and bird-like tracks document a recurring presence in Late Cretaceous Mexico, but footprints alone cannot securely identify biological species.
DinosaursA new Proceedings B study reveals a broader pattern: in at least five theropod lineages, reduced forelimbs were associated with more robust skulls and gigantic body size.
DinosaursDoolysaurus huhmini is small, probably young and scientifically significant: the new paper describes the first studied dinosaur skull remains from Korea.
DinosaursYuanmouraptor jinshajiangensis is a new metriacanthosaurid from China. Its skull and cervical vertebrae help us better understand a poorly documented early phase of these theropods.
DinosaursA new study describes *Nagatitan chaiyaphumensis* from the Lower Cretaceous of Thailand. The find expands our picture of Southeast Asian sauropods—and shows how large some titanosauriforms there became.
DinosaursA new study in *Cretaceous Research* suggests that the fossils behind “Asiatyrannus” and “Raptorex” probably belong to juvenile or subadult specimens of *Tarbosaurus bataar* – with implications for the known geographical range of this tyrannosaurid.
DinosaursStegosaur skulls are extremely rare. A find from Spain now provides new clues about Dacentrurus armatus and the evolution of armoured dinosaurs.