トルヴォサウルスは草食？
Finally, the Late Cretaceous Period, the greatest abundance and diversity of dinosaurs of all time lived in North America. During the early part of the Late Cretaceous, the therizinosaur "Nothronychus" and the ceratopsian "Zuniceratops" lived. During the Campanian stage of the Late Cretaceous, an enormous diversity of dinosaurs is known. Theropods included the tyrannosaurs "Albertosaurus", "Gorgosaurus", "Daspletosaurus", "Teratophoneus", "Bistahieversor", and "Appalachiosaurus", and the dromaeosaurids "Dromaeosaurus", "Saurornitholestes", "Atrociraptor", and "Bambiraptor". Ceratopsians, such as "Pachyrhinosaurus", "Styracosaurus", "Centrosaurus", "Monoclonius", "Brachyceratops" and "Pentaceratops" also existed. Among hadrosaurs," Hypacrosaurus, Gryposaurus, Kritosaurus, Parasaurolophus", "Corythosaurus", "Lambeosaurus" and "Prosaurolophus" existed. During the latest Cretaceous, the Maastrichtian age, the diversity of dinosaurs saw a decline from the preceding Campanian stage. North American herbivorous dinosaurs from this time period include the titanosaur sauropod "Alamosaurus", the ceratopsians "Bravoceratops", "Regaliceratops", "Triceratops", "Leptoceratops", "Torosaurus", "Nedoceratops", "Tatankaceratops" (the latter two possible species of "Triceratops"), and "Ojoceratops", the pachycephalosaurs "Pachycephalosaurus", "Stygimoloch", "Dracorex", and "Sphaerotholus", the hadrosaurs "Augustynolophus", "Saurolophus" and "Edmontosaurus", the ornithopod "Thescelosaurus" the ankylosaur "Ankylosaurus" and the nodosaurs "Denversaurus", "Glyptodontopelta" and "Edmontonia". Predatory dinosaurs from this time period included the tyrannosaurids "Tyrannosaurus", "Nanotyrannus" (which may just be a juvenile of the former) and "Dryptosaurus", the ornithomimids "Ornithomimus" and "Struthiomimus," the oviraptorids "Anzu", "Leptorhynchos" and "Ojoraptorsaurus", the troodontids "Pectinodon", "Paronychodon" and "Troodon", the coelurosaur "Richardoestesia" and the dromaeosaurs "Acheroraptor" and "Dakotaraptor".
herbivorous