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
The Hunter (Mastodon album) if Brent Hinds is again responsible for most of the initial songwriting, Dailor replied, "I think it's a little more collaborative, with everyone chipping in." In April 2011 Mastodon announced two of the titles from their forthcoming album: "Blasteroid", and "All the Heavy Lifting". On June 16 the band's website posted the names of three more songs; "Octopus Has No Friends", "Stargasm", and "Curl of the Burl". On July 25, a song from the album, titled "Black Tongue" was released - via iTunes, Spotify and Ovi Music. On August 12, another song from the album, titled "Curl of the Burl"