Gamosaurus is an extinct genus of archosauriform, possibly proterosuchian, known from the Early Triassic (latest Olenekian stage) Yarenskian Gorizont of the European section of Russia. It contains a single species, Gamosaurus lozovskii. Gamosaurus was named by Vitalii Georgievich Ochev in 1979. Gamosaurus is known solely from fragmentary material ...