Diplodocus now common scientific opinion that "Seismosaurus hallorum" is a species of "Diplodocus". This genus of dinosaurs lived in what is now mid-western North America at the end of the Jurassic period. "Diplodocus" is one of the more common dinosaur fossils found in the middle to upper Morrison Formation, between about 154 and 152 million years ago, during the late Kimmeridgian age. The Morrison Formation records an environment and time dominated by gigantic sauropod dinosaurs, such as "Apatosaurus", "Barosaurus", "Brachiosaurus", "Brontosaurus", and "Camarasaurus". "Diplodocus" is among the most easily identifiable dinosaurs, with its typical sauropod shape, long neck and tail, and
The Known Lands once-proud race decimated and beaten. Now the Known Lands struggle with the repercussions of a dwarven-created plague gone awry, the 'Culling' of the halflings in their own land, and strange and unknown forces that have brought new challenges to the peoples of the world. Many strange and unique societies and organizations have sprung up. Many parts of The Known Lands remain unexplored, though legends of wild barbarian elves and halflings, strange draconic followers, people who sail the oceans, never stepping off their ships, are commonly heard in taverns and marketplaces of The Known Lands. TKL makes use of some of