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
Lesser Known Heaven" on January 11, 2011 and "Rio" on February 17, 2011. Boeldt worked with Elena Johnston in creating what described as the "pretty ominous" cover art for "Lesser Known", whom Johnston chose the pictures and helped him put the chosen images together on the artwork. Reviews from music journalists upon release were generally mixed. Some reviewers disliked "Lesser Known" for having the same main problem as Adventure's debut album, that it only focused on recreating old music that was already easy to access both online and retro 1980s music stations without trying to cross over any boundaries or taking any