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 World The Known World The Known World is a 2003 historical novel by Edward P. Jones. Set in Virginia during the antebellum era, it examines the issues regarding the ownership of black slaves by both white and black Americans. The book was published to widespread acclaim from literary critics, with much praise directed at its story and Jones' prose. In particular, his ability to intertwine stories within stories received great praise from "The New York Times". The narration of "The Known World" is from the perspective of an omniscient figure who doesn't voice judgment. This allows the reader to experience the