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 discography second studio album, "Leviathan", in August 2004. In February 2006, Mastodon released two records — first, a compilation of their first two EP's, titled "Call of the Mastodon", and shortly after, the video album, "The Workhorse Chronicles". In the same year, Mastodon released their major label debut, "Blood Mountain" through Reprise Records, peaking at number 32 on the "Billboard" 200 chart. Mastodon then released "Crack the Skye" in 2009, "The Hunter" in 2011, and "Once More 'Round the Sun" in 2014, which entered the "Billboard" 200 at number 11, number 10, and number 6 respectively. Mastodon discography The discography of