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I'd really like to say with 100% certainty that this partial jaw is from a Stag moose (Cervalces scotti) but I have never held one in my hand before and it would be the rarest most coolest thing I've ever had the privilege to find so I want to make sure. I found this a few days ago on a gravel bar in a river in the midwest that produces pleistocene material. I hadn't found a thing all day long and there were footprints everywhere (many of my hunts are like this :D) but I found this high and dry upside down concealed to look like a stick. At first the dirt-covered pale looking teeth made me think of another cow jaw until I picked it up and realized I was holding what looked to be a jaw bone with the teeth of a gigantic deer. Brushing it off as an elk jaw until I got home and compared it to a cast of a Cervalces M3 and it was a PERFECT MATCH. I've taken side by side pictures with the cast tooth from a Cervalces and the stylid, size, shape, and everything seem to line up perfectly to me. My teeth are slightly more worn down than the cast which is why the crown appears taller but other than that I don't see any differences but I am not an expert in the slightest so I would love to hear the opinions of others on this one because I want to make sure that I get this ID right. Thanks! (I also included side by side comparisons with a jaw from a medium sized Bison from the same site)

So I have been going through mountains of Pleistocene material from Iowa and classifying the material by species. I have a lot of Bison material, Deer, Elk, Stag Moose, Sloth, Beaver (Small and Giant), and much more. I did come across one sacrum that I can not classify. Not sure if it is small bison, Cervalces (Stag Moose), or large Elk. I am sure someone here might be able to help me out. I am much better at those pesky marine reptiles and dinos than the modern mammals. Thanks in advance. Seth

My son and I were at a creek nearby our home in Allen Co (NE Indiana) yesterday doing some rockhounding and panning, and I came across the big bone in the front of the picture just laying on the creek bank about 95% exposed. I suspected right off the bat that it wasn't anything wild of recent, given whitetail deer is the largest thing in this area and I've field dressed enough of those to know. I wanted to see if there was anything else and started digging behind the spot where it was laying and we found about 30 more bone fragments/pieces, including the almost full intact vertebrae pictured. This was all in a 1'x2' dig. Now, we had a record spring rainfall and this creek was out of its banks for more than a month this year, but we were finding bone fragments a foot into the bank and this was about 7' down from the top of the creek bank. If you're not familiar, this area was the Black Swamp area after the Wisconsin glacier, just until as recent as a few hundred years ago when they drained it off for farmland, and the original Great Lakes once had southern shoreline just about a mile from here. Boy, did the Native Americans love leaving their field points all along it. Anyways, I researched bones for comparison some last night and the closest that I could come up with was bison, or a stretch as Cervalces, the stag-moose. And I all but eliminated domestic cow and horse, but I could be wrong. Mastodon have been found in this county, but this seems way too small for that. No dinosaurs have ever been discovered in Indiana, to my knowledge. I'm hoping to get some answers to this, as we're planning on going back to dig more in the site this weekend. But I don't want to spend the time digging if it's some farmers missing cow from a hundred years ago. I can post additional pics/angles, if needed. Thanks!