Anachronisms in the Book of Mormon 1000 years before the Jaredite record in the Book of Mormon begins. The main point of contention is how late these animals were present in the Americas before becoming extinct. Various Mormon authors have cited evidence that North American mound-builder cultures were familiar with the elephant. The oldest mound-builder societies date to around 2000 BC. The mound builder/elephant controversy did not originate with the Book of Mormon. In "The Mound Builders, Their Works and Relics", author Stephen Dennison Peet cites instances of exhumed mastodon remains and arguments given for why the remains were believed to be contemporary with mound builders.
Mastodon (band) Blackdiamondskye, a portmanteau of the three bands' latest albums ("Black Gives Way to Blue", "Diamond Eyes", and "Crack the Skye"). Film director Jimmy Hayward contacted the band during their 2009 tour of Europe and expressed how much listening to "Blood Mountain" had helped his creative process while finishing a screenplay, and he offered Mastodon a chance to score the film he had been working on - "Jonah Hex". In an interview with "Paste" magazine, bassist Troy Sanders said that Hayward "called us out of the blue as a fan. It was the most beautiful, authentic way to collaborate." Mastodon used