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I have some pieces of dinosaur bone from the Hell Creek formation with curious divots. Is there a nice guide on the forum (or elsewhere) for assessing whether these might be bite marks? I realize that IDing the biting species (if there even is one) can be difficult/impossible. But I would love to read an explainer that lays out the principles for assessing the likelihood that particular marks come from predation/scavenging. I have used the search tool, but only found discussions around specific specimens.
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Hi TFF friends, how are you? After reading, Caleb M. Brown, Philip J. Currie, and Francois Therrien, Intraspecific facial bite marks in tyrannosaurids provide insight into sexual maturity and evolution of bird-like intersexual display I decided to see if our Tyrannosaurus rex replicas (MOR 555) had any visible facial bite marks. I noticed it had 2 big scars, one on the maxilla and one on the dentary. Does anyone know if they are actually Intraspecific bite marks (MOR 555 is not cited among the Tyrannosaurus rex studied for the previously cited study)? Thank you ?
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Curious about a couple of the fossils I found today, the first one I’m not sure what it might be, second one a hadrosaur vert but I’m wondering if the damage to it isn’t simply from erosion. Maybe bite marks or some pathology? dinosaur park fm
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I had found this piece of bone and I think that it might have bite marks. It's from the Lance fm. Here are the pictures. Thanks for any help
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Sorry for the loooong post. I am a science and natural history illustrator, and I work part time at a fossil shop. We have various, easily identifiable specimens that come through our shop every day. But I've recently stumbled across a specimen from the depths of our collection that has puzzled me. Unfortunately, I do not know its origins so identifying it as belonging to a particular species is probably all but impossible (?). I've taken as many detailed photographs of it from every angle as I can, in hopes that a more knowledgeable mind might be able/willing to shed some light on it. Firstly, I'd like to just confirm that it is indeed fossilized bone & not a rock. Secondly, I would love some insights as to some of the particular features. There are some exposed, whitish areas inside the specimen. I'm wondering, assuming this is a bone, if this might be fossilized marrow? When dampened with a sponge, the white areas reveal red and blue micro markings. The largest of the exposed white areas has a distinct gash alongside it (which I've circled in red). I'm wondering if anyone thinks that this might be a tooth mark of some sort? There are also some distinct red markings on the exterior surfaces. I've seen examples where fossilized protein such as blood or soft tissue can manifest themselves as reddish marks. I'm not sure if that is what is being exhibited here (?). Lastly, and as I mentioned - this is probably a longshot, is there anything discernible or recognizable about the specimen to anyone? Obviously, knowing its geographical origins & knowing more about the rock in from which it was excavated would go along way. Unfortunately, I simply don't have this information. I appreciate anything that anyone might be willing to offer. Thank you in advance!
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I recently got this rather nice Edmontosaurus annectens braincase from the Lance formation. But what's interesting, it has this large hole in the top of the skull. The seller has told me that the hole is not the result of any collecting or prep damage. The seller found the piece themselves and apparently it was found upside down in the field. I've bought from this seller before and they always have high quality fossils so I'm inclined to believe the seller when they say that this hole is old damage. So then my first thought would then be, could this be a big tooth mark? Although I don't want to jump to conclusions. It's a large gash on the top of the skull. On the top there are a few pieces of bone that kinda seem like they were pushed in and on the side there are some bone fragments that seem to be kinda push out. Something pushed in from the top and then ripped out to the side maybe? I have some T.rex replica teeth and one seems to fit fairly decently. So I'm wondering, how plausible is it that this is a T. rex bite mark? We know T.rex ate Edmontosaurus of course, and we know it can crush bone. Opinions? Braincase overview. Hole closeups.
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https://www.bbc.com/news/blogs-news-from-elsewhere-46513790
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From the album: Sharks and their prey ....
Carcharocles megalodon Bone Valley, Florida Bite damage with marks visible ....© Matthew Brett Rutland
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From the album: Dinosaurs and Reptiles
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Anterior dorsal vertebra of a Spinosaurid (likely Sigilmassasaurus) with series of scratches on one side. It is likely that these scrathes are gnaw marks from different animals due to the different sizes of the marks.
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