Acrocanthosaurus: the high‑spined theropod of the Lower Cretaceous Acrocanthosaurus Acrocanthosaurus was a large high‑spined theropod from Lower Cretaceous North America, notable for tall neural spines, robust forelimbs, and its likely placement among the carcharo…
Allosauroidae: the allosauroid theropods Allosauroidae Allosauroidae were a diverse clade of large theropod dinosaurs known from the Middle Jurassic to the Late Cretaceous. This article outlines their traits, history, notable genera, a…
Bicentenaria: a small coelurosaurian theropod from Late Cretaceous Argentina Bicentenaria Bicentenaria is a genus of small carnivorous coelurosaurian theropods from Argentina, known from early Late Cretaceous (~90 Ma) deposits. The type species is Bicentenaria argentina…