#fossilfriday next up for #gomphtober2024 is the skeleton of Stegomastodon arizonae. Used to be on display at the Smithsonian National Museum of Natural History, Washington D.C.

#gomphtober #nationalmuseumofnaturalhistory #smithsonian #fossil #elephant #prehistoricarizona

Welcome to #gomphtober 2024. This is the month where I highlight gomphotheres and their cousins. Starting off is this lower jaw of Gomphotherium from the Mascal formation of Oregon. On display at the Thomas Condon Paleontology Center, John Day Fossil Beds National Monument.