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 (album) Also included are: Mastodon (album) Mastodon is the only box set released by the American heavy metal band of the same name. It features all of their material released by Relapse Records plus "Blood Mountain" which was originally released on Reprise Records. The box set was limited to 1100 copies and all records were pressed on 180 gram vinyl. The box set was released by Relapse records with no input from the band. The box set contains the following audio: <nowiki>*</nowiki> Unreleased before this box set.<br> <nowiki>**</nowiki>"Leviathan" also includes the band's cover versions of Thin Lizzy's "Emerald", Melvins "The Bit"