Apatosaurus which Marsh had described "Brontosaurus". Most of the skeleton was found, and after comparison with both "Brontosaurus" and "Apatosaurus ajax", Riggs realized that the holotype of "A.ajax" was immature, and thus the features distinguishing the genera were not valid. Since "Apatosaurus" was the earlier name, "Brontosaurus" should be considered a junior synonym of "Apatosaurus". Because of this, Riggs recombined "Brontosaurus excelsus" as "Apatosaurus excelsus". Based on comparisons with other species proposed to belong to "Apatosaurus", Riggs also determined that the Field Columbian Museum specimen was likely most similar to "A.excelsus". Despite Riggs' publication, Henry Fairfield Osborn, who was a strong
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