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Showing results for tags 'feeding'.
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Collected in Woodbine, so many different traces on both sides of rocks really curious what made them, esp the 'plowing', there's a single and double plow. There's an odd tube like thing with ' inards' coming out, and lastly a really random one, single trail with piece of something stuck in it. Hopefully someone recognizes some of them.
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- trace fossils
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Edestus heinrichi morphology and feeding habits - How could it eat ?
Siegchomimus posted a topic in Questions & Answers
Hello, I recently acquired an Edestus Heinrichi jaw fragment and wanted to draw an illustration of the animal. But all the images I can find on internet are so weird though.... How could it feed with such a jaw? It's so different from what we see today....From what I have read, it either used it's jaw like scissors or kind of like a hammer (like the sawshark ??) ? Also, how can paleontologist know how to reconstruct such a weird animal, no full skeleton can be found since they are mostly made of cartilage.- 4 replies
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I bought this Moroccan mosasaurus tooth in matrix some time ago. As you can see, it has a long scrape down the side. When I got it, I assumed it the tooth was damaged when it was discovered or prepared in Morocco. However, I saw a tooth for sale the other day on a website with a similar mark described as "feeding damage." What do you all think? Anyone seen this sort of thing before? Is there any way to tell feeding damage versus a more mundane type of damage?
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Hi all, I am thrilled to bring you an update on the object I posted not too long ago in the Fossil ID section. As advised, I brought it to the Calvert Marine Museum to be examined by expert eyes, but unfortunately the paleontology staff was not at the museum when I arrived, so I left the fossil with them along with my contact information and details about the location and age of the fossil. This was a few weeks ago. I just recently received a voicemail from the museum staff notifying me that an expert on marine mammals had taken a look at the fossil and rather easily recognized it as a dolphin periotic, a bone in the ear! When I called back and asked about the shark tooth that was buried in the bone, they said he must've missed that (I don't blame him; it's a small tooth!), but I asked if it would've been a result of feeding. They confirmed that the tooth undoubtedly wound up in the bone when a shark bit into the animal, but suggested that it is much more likely that it was a result of scavenging, not hunting. Because of the size of the tooth especially, it is most reasonable to conclude that a small shark scavenged the remains of the dolphin after it died, as a shark of that size typically would not pursue such large prey. Regardless, I think it's a spectacular find and it's certainly one of my favorite in my collection. A huge thank you to the experts at the CMM for their unparalleled expertise and willingness to help out an amateur. I'm very happy with my find, and can't wait to go pick it up next time I'm in the area. Thanks for reading this update! ~David (p.s. below is a picture of the fossil that I posted on the original ID thread. I'll post more detailed pictures once I pick it up from the museum)
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If this is truly what I suspect it is, it could be the most extraordinary fossil I've found to date. This was found at Bayfront Park, which is Calvert Formation. It appears to be some kind of bone, probably from a marine mammal. When I first found it, that's all I thought it was: a bone. It was only when I was back home from my trip and sorting through all my finds that I noticed something peculiar. There was something protruding from the bone. I couldn't believe my eyes. It was a fossilized shark tooth. I have always thought it would be incredible to find a fossil with tooth marks or even an entire tooth embedded in it, but I never thought it would actually happen! My best guess at the moment is that this is an ear bone from a small whale or dolphin that fell victim to a lemon shark, and when the shark bit the animal, its tooth was jutted into the bone. When the animal died, its bone fossilized with the tooth still inside it. My question for you is not whether or not the object protruding from the find is a lemon shark tooth; that is fairly clear. I am looking for confirmation that the fossil is indeed a bone, and would like to know what type of bone it is and from what animal. Since I believe this to be an extremely uncommon find, I am considering bringing it to the Calvert Marine Museum to be inspected by the experts there, and if they want to keep it I will gladly donate it. Thank you in advance. ~David (P.S. The tooth is only fully visible in the last picture)
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