Apatosaurus "Apatosaurus" may have been more solitary than other Morrison Formation dinosaurs. Fossils of the genus have only been found in the upper levels of the formation. Those of "Apatosaurus ajax" are known exclusively from the upper Brushy Basin Member, about 152–151 mya. "A.louisae" fossils are rare, known only from one site in the upper Brushy Basin Member; they date to the late Kimmeridgian stage, about 151mya. Additional "Apatosaurus" remains are known from similarly aged or slightly younger rocks, but they have not been identified as any particular species, and thus may instead belong to "Brontosaurus". The Morrison Formation records a
Back to the Known Back to the Known Back to the Known is the second EP released by American punk rock band Bad Religion. The name of the EP is a reference to the band abandoning the progressive rock influences of its previous album, 1983's "Into the Unknown", and returning to its punk roots. The album features the fan favorite, "Along The Way", which is a staple of their live show today. During a live show in the mid 1980s, they played the song twice in a row at a sped-up pace the second time. Frontman Greg Graffin partially brought Bad Religion back together