Very large American #mastodon tusk from West Feliciana Parish, Louisiana. LSU Museum of Natural Science collection. #fossil #paleontology #DailyMastodon #TuskTuesday

A Pacific #mastodon right astragalus (ankle bone) from Hemet, California. @westernsciencecenter collection. #DailyMastodon #paleontology #fossil

Pacific #mastodon lower jaw from Santa Barbara Co., California. Santa Barbara Museum of Natural History collection. #FossilFriday #DailyMastodon #paleontology #fossil

A Pacific #mastodon lower 3rd molar, from the Tar Pits at Rancho La Brea. #DailyMastodon #paleontology #fossil

American #mastodon right maxilla fragment with the upper 2nd & 3rd molars. Columbia Co. FL, Florida Museum of Natural History collection. #DailyMastodon #paleontology #fossil

Ouch! Closeup of a healed injury to my lower jaw. They tell me another #mastodon might have tried to stab me in the face with his tusk. #MastodonMonday #DailyMastodon #paleontology #fossil

An American #mastodon upper right 3rd molar from Cass Co., Nebraska. State Museum of Nebraska collection. #DailyMastodon #paleontology #fossil

Lower right 3rd molar from a Pacific #mastodon from Los Angeles. This tooth has an unusual large “cusplet” between the first two lophids, a feature that occurs in <1% of mastodons. Natural History Museum of LA County collection. #DailyMastodon #paleontology #fossil

Oblique ventral view of a large American #mastodon skull from Allen Co. Indiana. Only the 3rd molars remain, indicating this was an elderly animal ~60 years old. Natural History Museum of LA County collection. #FossilFriday #DailyMastodon #paleontology #fossil

An extremely worn American #mastodon molar from West Feliciana Parish, Louisiana. The roots have mostly been resorbed; this tooth had probably been shed. LSU Museum of Natural Science collection. #DailyMastodon #paleontology #fossil