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Showing results for tags 'bite marks'.
Found 14 results
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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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I was looking at this piece and noticed these marks... could they be bit marks from a predator? This bone was found on Venice Beach FL
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Hi forum! So, as I mentioned in my introduction post, back when I was a teenager I found what looks an awful lot like, to my untrained eye at least, a fossilised egg. A feature on this that kind of helped enforce the notion is what looks a lot like opposing carnivorous bite marks. I can't for the life of me remember where I found it as I moved around a lot between England, Wales, and to and from Jersey throughout my entire childhood and teens. I'm forever picking up interesting rocks and things so it could have come from a field, a river bed, or a beach, I have no idea. I know that doesn't help, so I'm sorry for that. I should add that now I've had a chance to take a closer look through the use of close-up photos, I think the likelihood is that it's actually a geode (I'm sure you've all seen this happen a hundred times or more; noob finds an egg-shaped rock and assumes 'fossilised egg'). To be fair, it is very egg shaped, it looks the same size as the fossilised quail eggs I've seen online while researching, and I'm still kind of hung up on those marks that look like they were made by teeth. The hopeful part of my mind says a hungry little critter could have found 'the egg' after it was sat for some considerable time and had a bite into it, but the more logical part of my mind says that if it was an egg and it was bitten, it would have likely been destroyed. I say likely because there's a chance that an egg left in the summer sun could go hard due to the protein within being denatured by the heat (think hard-boiled egg). Hey, I can speculate! Anywho, here's the photos; So what say you Fossil Forum, was I lucky enough to find a fossilised egg, or am I simply in possession of the most boring geode on the planet? Again, thanks for allowing me to join and many thanks in advance for any replies! Kind regards, Chris
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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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I have this anterior dorsal Spinosaur vert from the Kem Kem beds. But I noticed these small vertical marks on one side of the vert and figured they might be gnaw marks. They definitely seem pretty worn down so I don't think they are recent. Any ideas what could have made these marks? Vertebra overview. Scratch detail.
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Any ideas what animal? Appears to be bone. Found on beach on Manasota Key FL. Measures 3" wide by a tad over 2.5 wide, about 1/2" thick. Appears to have part of edge broken off in one area but then worn rounded as other edges. Also note 2 marks (indentions) Could these be bite marks? Could this be from a vertebra? Learning so much on TFF and enjoying so much!
