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So today I found this horn while hiking. The place where I found it -called Castrillo del Val- is known for the great amount of potamides fossils found all over the ground; furthermore, bison priscus lived nearby. The place is pretty close to Atapuerca, a big deposit of homo antecessor. I think it might belong to a bison priscus horn core, I’ll post some pictures and let’s see what this is!

Found in Durham, Ontario, Canada, in limestone. Looks like some kind of shell, but am unable to find anything similar online. This specimen was loose but there are others nearby embedded in the limestones.

Can't figure what this is its heavy like stone

Found this in my back yard under a pile of rocks. I see scales, a skull with 2 horns, a mouth, the fossilized brain stem, and even a hole where the spinal chord would be.

Hey everyone, Staying on some private property with a river in central Colorado. While walking the creeks looking for anything of interest, I came across this. I am not familiar with the horned creatures! Is this bull? Buffalo? Bison? Antiquus? I don’t know, any information would be much appreciated. My wife wanted to get a picture and then looked a little peeved when I said, “Why? I’m taking it home.” Lol Sorry for the pics, don’t have anything to scale. Lemme know what you think. I can post better pics tomorrow. i thought it was driftwood at first, had that exact consistency and texture. -J

I'm not sure, but I found what I think is the top of a bison skull with the horns. I found it in central Iowa, sitting on a sand bank in the middle of a river/creek. Could someone tell me if it is? The horns are kind of straighter like an ancient bison, could someone estimate the age and tell me if they think it is? The horn spread is just over 21 inches. It seems pretty old and almost fossilized. Thanks for any help in figuring it out. I'm really interested in what you have to say.

Dear TFF members, I have bought these two on an auction - the seller says they were found in the sands of the Vistula river, in the area of Kraków (south of Poland). Could they be fossilised horns? I will appreciate any suggestions Kasia

Hi there! First time poster, so I apologize if I'm lacking information. Also, my phone died on my way to the location, so I couldn't take pictures of the area I found them in. I tried to doodle a picture, but I'm no artist. Today I decided to check out a beach I had heard about near Port Angeles on the Olympic Peninsula of Washington State. . On this beach, there is a section of mudstone/sandstone about 60 feet tall and 100 feet long. At the base of the slope was a boulder(also sanstone/mudstone) about 6 feet tall and 4-5 feet around. It must've recently fallen because it was crumbling more and more just from looking at it. Right in the middle of the clump there was some sort of long, lumpy fossil(thought it was, sounds like it's not ;)). I have no idea what it could be. I've googled "lumpy dinosaurs", "lumpy whale vertebrae", and a few more embarrassing amature terms, all to no avail. If anyone could help me identify these, I would be EXTREMELY grateful! I've definitely caught the fossil/rock hunting bug and am really excited about finding these. If any other pictures/measurements would be helpful, just let me know. The largest piece is about the size of a volleyball. Edit** forgot to add, it was found in either lower tertiary sediment, or quaternary sediments. Sort of on the border of the two according to my map Edit #2** Just did a little more researching on the area, and it is part of the Twin River Formation. "Upper member, massive to thin-bedded mudstone and siltstone. Olive gray to greenish gray mudstone, claystone, and siltstone are poorly indurated and contain thin beds of calcareous claystone and a few thin to very thick beds of massive calcareous sandstone. Spherical, cylindrical, or irregular shaped calcareous concretions common"

https://phys.org/news/2018-03-dinosaur-frills-horns-evolve-species.html

I found these on the Dry Frio River 4 miles east of Uvalde, Texas. Can anybody determine what these are. I thought they might be teeth.

Herbivore dinosaurs are every bit as interesting as the big, scary monsters that were preying on them. While herbivores may have been the more peaceful kind, their variety is what makes them so fascinating - Stegosaurs with large plates on their backs and spiked tails, Ceratopsians with their horns and bony frills, or Ankylosaurs with their impressive armour. It must have all been for defense, right? Perhaps not. Many scientists now believe that those structures (well, aside from Ankylosaur's thick armour perhaps) have been used primarily as means of display or intimidation. for example, Triceratops mainly used his large frill to attract a mate, possibly with flashy colors, and used its horns in duels with members of its own species. Apparently fighting off a predator was not an option, since the horns were located on its head, creating a possibly dangerous situation, when a mortally injured T. rex could have fallen on the Triceratops, crushing its head in the process, killing them both. But is this really possible? I mean, in modern times buffalos certainly use their horns against their lion attackers if neccessary. That may not be the primary reason for their horns to evolve, but the fact is that they do use their horns, and can inflict serious injuries to their attackers. We can observe this. Besides, is there any better place to have a weapon as dangerous as the horns of a Triceratops? By having them right above your eyes you can always see your enemy and strike precisely where you want. In my opinion this is not a flaw, but an advantage. Also, did Pachys really use their thick skull domes only for display? According to J. Horner the dome of Pachycephalosaurus consisted of bone that was not designed to do the job of head-butting and the animal would risk serious injuries doing so. But in modern times other head-butting animals also risk serious injuries, yet they still behave this way. Your thoughts on these theories?