Allosaurus is one of the best known theropod dinosaurs from the Jurassic and a crucial taxon in phylogenetic analyses. On the basis of an in-depth. firsthand study of the bulk of Allosaurus specimens housed in North American institutions. we describe here a new theropod dinosaur from the Upper Jurassic Morrison Formation of Western North America. https://www.jmannino.com/quick-offer-Viqua-F4-50-Plus-Monitored-UV-System-Powered-by-UVMax-15-gpm-230-Volt-on-sale/