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I found some bone fragments up in some ogallala formation in Kansas. I also found this complete tooth I was hoping someone could identify for me.

I need help identifying this fossil, or eliminating possibilities. I found this while searching for Native American artifacts and other fossils. It was in a stream. Found in North East Nebraska. Geologic research says the area it was found is within the Ogallala formation from the Tertiary Period. Several members of a FB group think I might have a fossil fungi and have asked for samples,, which I am reluctant to attempt to chip off myself. Several of the photos show signs of fungi. I know that fossilized mushrooms are extremely rare in the fossil record, usually only being found encased in amber, and never in physical form. Thanks.

SO....many decades ago, the university i work for had a geology and earth science program. Sadly it is long extinct. The good news is we are busy resurrecting it. Long story short, we have CRATES full of geo and paleo specimens....and it is my job to sort and prepare them. Most were donated/acquired in the late 1980's. Many many more were procured from the science departments of various schools and colleges as they closed down. Better than 90% of the items are not labeled, identified, or inventoried, so guess what I get to do... I'm fairly skilled in the arts and fossil prep, but this morning I found one that I think is in need of restoration and I have no idea how to begin. This specimen is labeled as : which I believe translates to "yucca root calcium silicate nodule/ rhizolith Ogallala Formation Lake McConaughy Spillway Kieth County Nebraska" and looks like this currently: it is well over a meter long! and from the other end: I'm thinking I may need to do a bit of drilling and pegging in addition to some serious adhesives AND/OR build a nice display armature for it. There are some missing bits, and a baggie of smaller fragments that have broken off. I actually remember the old Physics professor using part of this as a door stop back when I was an undergrad! Our botany professor wants it ready for display by march of 21 so it can be used in his courses and in our spring ecology courses. He has also suggested I create a "fake plant" to top it off so that the display shows what it looked like when live. Before I start, I figured I would get input/advice/suggestions from you all, as this one is quite different from anything I have prepared/restored before. Good news is the budget will cover any supplies, so I'm willing to spend for the archive grade stuff. I just don't know what to buy. Any ideas greatly appreciated!