Allosaurus fishes, frogs, salamanders, turtles, sphenodonts, lizards, terrestrial and aquatic crocodylomorphans, several species of pterosaur, numerous dinosaur species, and early mammals such as docodonts, multituberculates, symmetrodonts, and triconodonts. Dinosaurs known from the Morrison include the theropods "Ceratosaurus", "Ornitholestes", "Tanycolagreus", and "Torvosaurus", the sauropods "Haplocanthosaurus", "Camarasaurus", "Cathetosaurus", "Brachiosaurus", "Suuwassea", "Apatosaurus", "Brontosaurus", "Barosaurus", "Diplodocus", "Supersaurus", and "Amphicoelias", and the ornithischians "Camptosaurus", "Dryosaurus", and "Stegosaurus". "Allosaurus" is commonly found at the same sites as "Apatosaurus", "Camarasaurus", "Diplodocus", and "Stegosaurus". The Late Jurassic formations of Portugal where "Allosaurus" is present are interpreted as having been similar to the Morrison but with a stronger marine influence.
The Known Lands Lands was begun by two "Dungeons & Dragons" roleplayers who met at university. Their goal was to create a persistent world in "Neverwinter Nights 2" which was as close as possible to pen-and-paper style roleplaying. This is accomplished by grouping characters into parties, which participate in weekly sessions run by a dungeon master (DM). According to sages, the collection of islands, called by their inhabitants simply The Known Lands, is in its Third Age of existence. In the three thousand years since whatever cataclysmic event destroyed the Second Age – a time period whose knowledge is all but lost –