Mastodon largest male specimens, the 35-year-old AMNH 9950 was tall and weighed , while another was tall and weighed . Like modern elephants, the females were smaller than the males. They had a low and long skull with long curved tusks, with those of the males being more massive and more strongly curved. Mastodons had cusp-shaped teeth, very different from mammoth and elephant teeth (which have a series of enamel plates), well-suited for chewing leaves and branches of trees and shrubs. Based on the characteristics of mastodon bone sites, it can be inferred that, as in modern proboscideans, the mastodon social
Mastodon (band) on the "Adult Swim Presents" tour along with Converge and High on Fire. On October 17, 2009, they recorded a DVD documenting the tour at the Aragon Ballroom in Chicago. Mastodon played the alternative music festival Big Day Out, touring across Australia and New Zealand in January and February 2010. On October 29, 2009, they performed "Divinations" on "Late Night with Jimmy Fallon". On November 4, 2009, Mastodon released their second EP, entitled "Oblivion". Teaming up with bands Deftones and Alice in Chains, Mastodon went on tour in September 2010 in the United States and Canada. The tour was called