Mastodon have been no reports of currently recognized "Mammut" species outside of North America according to Paleobiology database (which does not recognize "M. borsoni"). However, the status of "Mammut" or "Zygolophodon borsoni" in the literature appears equivocal. "Mammut" is a genus of the extinct family Mammutidae, related to the proboscidean family Elephantidae (mammoths and elephants), from which it originally diverged approximately 27 million years ago. The following cladogram shows the placement of the American mastodon among other proboscideans, based on hyoid characteristics: Over the years, several fossils from localities in North America, Africa and Asia have been attributed to "Mammut", but
Mastodon (band) as downloadable content for "Rock Band 3", with Pro Guitar support also available at extra cost. "Leviathan" was followed by the 2006 release of "Call of the Mastodon", a remastered collection of the band's first nine songs, and a DVD of interviews and concert footage called "The Workhorse Chronicles" that includes material from the band's early days as a five-piece. The band has stated that ""Call of the Mastodon"" is their third studio album even though the album is a compilation album. These two releases were the band's last for Relapse Records, as they would later go on to sign