Cretaceous Period Gondwana Spinosaurus Discovery Bayanshiree Formation Ankylosaur Fossils Spinosaurus fossils Khankhuuluu Discovery Bonebed Discovery Stegosaurus Isle of Wight Joaquinraptor Fossils Spinosaur Fossils Spinosaurus Fossils Tyrannosaurus rex Spinosaurus mirabilis Patagonian Fossils Spicomellus afer Lago Colhue Huapi Formation Egg Fossils
A partial shoulder and forelimb suggest a gliding four‑winged predator that extends confirmed microraptorine fossils into northwestern China.