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Found 270 results

  1. Possible Leptoceratops tooth?

    I found this little tooth crown at a conglomerate site in the Lance formation a couple weeks ago on my fossil hunting excursion with Paleoprospectors. I wasn't sure what it belonged to, at first I thought it was a small Triceratops crown but under further examination I think it could belong to another herbivore. I looked at @Troodon's post on Leptoceratops from hell creek and saw similarities to the maxillary teeth. I wanted to know what some of the dino people thought about mine. It broke when I was trying to prep it out so the sheen is from the glue I used to put it back together. The tooth is about half a centimeter in height.
  2. Why Does the U.S. Army Own So Many Fossils?

    Why Does the U.S. Army Own So Many Fossils? Turns out massive flood control projects are a great way to find dinosaurs. by Sabrina Imbler, Atlas Obscura, August 7, 2019 https://www.atlasobscura.com/articles/why-does-the-army-own-dinosaurs Yours, Paul H.
  3. I just wrapped up my awesome 3 week fossil hunting trip with Paleoprospectors and I'm excited to get home and share more of my finds with everyone. It was an ambitious undertaking on my part as I would be out fossil hunting in hot and dry conditions for such an extended amount of time with no parents within a thousand mile radius, that's not to say I wasn't looked after and I'd like to thank all of the staff and participants that accompanied me during this excursion. Tonight I'll share with you the pictures and stories from the last three days of my time in Montana. Wednesday involved a lot of hiking and not a lot of production in terms of fossil finds, my best finds included a shred of theropod tooth, a small fragment of theropod bone and some petrified wood pictured below- Here's a view of small portion of the area we were hunting My group decided to call it a day early as it was 105 degrees Fahrenheit in the valley at one point making hiking nearly unbearable.
  4. Hey everyone, I've entered the final week of my awesome 3 week excursion with PaleoProspectors! We finish in Northern Montana in the Judith River formation. Monday we started at microsite which was easily accessed and a location I had some success two years prior- in 2017 I found a Troodon tooth here among other nice fossils. It became readily apparent that this location was going to give us another productive day. Although I found no complete theropod teeth early on, I did find a number of partials and fragments, along with spit teeth and some crocodilian fossils. The beautiful view from where we parked. Piece of crocodilian osteoderm Some spit teeth, most likely hadrosaur. The tip of a tyrannosaurid tooth A view from the microsite And now for my big find of the day! A huge tyrannosaurid tooth. I was so excited that I had to prep it out that night and I was happy with how it came out. oh yeah I also found a lil croc tooth after this. Some more views of the site and who I'm collecting with
  5. I have four Ankylosaur and Nodosaur teeth for trade. Looking to trade for other dinosaur teeth. All teeth from the Judith River Formation of Montana Tooth #1 Likely Euoplocephalus sp. about 1/4"
  6. Hi everyone, I missed the updates for the last three days so here they are. I spent the last 3 days of the week fossil hunting the Hell Creek badlands of North Dakota- In those 3 days I found some of the best fossils in my collection so far. Wednesday was somewhat overcast which kept the exposures from being too hot. I spent the morning working a microsite with a few other people. My best finds here included a nice quality croc tooth, a likely bird bone and a bowfin jaw. Unfortunately the finds started to fizzle out after about an hour. The rest of the day was spent prospecting a wide open area which provided very little for fossil finds, the best being a croc vert. Here are the pics from Wednesday- Bowfin jaw section Croc tooth Likely a toe or limb bone A view of the microsite A croc vert A view of the area we prospected A rattlesnake in a burrow which I spotted at just the right time. I was moving closer to look at a large shed snake skin and saw this guy in a hole underneath the grass, he didn't rattle at me either which makes this a lucky encounter. (I didn't this close with my camera, I only zoomed in with it).
  7. I spent another great day in the Hell Creek formation of South Dakota (w/ Paleoprospectors) and found a lot of great fossils. It was a beautiful day, the temperature wasn't bad at all, helped by the occasional breeze and the bugs were tolerable for the most part. We started the day on a microsite which was eroding out of the side of a hill. The iron siderite pebbles were sharp to sit on and the slope was steep- being sure footed was certainly an asset along a good portion of this exposure. In spite of those factors, I still found some awesome fossils. A view of the microsite from the ground. My first good find of the day- A worn Richardoestesia tooth Most likely a Myledaphus vertebra A Champsosaur vertebra in situ An Amphibian vertebra- probably salamander. Probably my best find of the day- a claw whose identity is currently unknown. Two great anthill finds- Top: likely a marsupial tooth (Alphadon?)- Bottom: a multituberculate tooth (Cimolodon?) After these finds, I went to prospect with some other people but unfortunately came up empty handed. At least I got some pics of the cool looking exposures. After we returned from prospecting I decided to finish the day hunting the microsite where I started and spend some time at a channel deposit below which was also producing some solid finds (Another participant found a nice Acheroraptor tooth and a small theropod or bird claw there earlier) Center left: Myledaphus tooth A nice croc tooth. My last good find was a small section of theropod claw which I unfortunately did not get a pic of. Stay tuned because tomorrow we visit another Hell Creek ranch in North Dakota this time!
  8. I spent the day hunting the badlands of the Hell Creek formation in northwest South Dakota. It was beautiful outside. The sun was shining, the breeze was blowing and the insects were mild. The group started the day working the amber microsite- a spot where a phenomenal amount of amber is produced from lignite rich exposures mixed in with a deposit of smaller fossils. I spent several hours picking up amber bits along with a variety of other fossils. Here are some photos from the first few hours of the day Views of some of the collecting area A shot of the gravel where many of the fossils lie. Some pics of the amber- a small fraction of what I picked up. Several Brachychampsa alligator teeth. Left: A small Edmontosaurus tooth Right: A small digit, potentially turtle or crocodile Left: Small vertebra- amphibian? squamate? Right: Crocodilian osteoderm Left: One of my best Brachychampsa teeth to date Right: Awesome crocodilian tooth I left the amber microsite around noon to go prospecting with some other people, here is a view from atop a butte we found some fossils on. I found this awesome turtle claw after finding some shell pieces eroding from near the top of the butte. Since I found it among many pieces of softshell turtle shell I would assume it's a trionychid. As we moved away from the butte, we explored a dried creek bed which created a small valley with some exposures on the side. We found a few fossils including a champsosaur vertebra another cool claw. It belongs to another species of turtle, although I'm not sure what variety. I returned to the microsite to wrap up the day and was not disappointed by my finds. I found this Paronychodon tooth below the main amber site . My last big find of the day was this cool section of crocodile jaw. I found a ton of great fossils today and I'm crossing my fingers that tomorrow will be just as productive!
  9. A good read even for those who already are up to speed. https://www.theguardian.com/science/2019/jul/17/montana-fossilized-dueling-dinosaurs-skeletons-dino-cowboy
  10. Previtera, E., 2019. Taphonomic analysis of saurischian dinosaurs from the Plottier Formation (Upper Cretaceous), Mendoza, Argentina. Andean geology: Formerly Revista geológica de Chile, 46(2), pp.345-367. DOI: http://dx.doi.org/10.5027/andgeoV46n2-3161 http://www.andeangeology.cl/index.php/revista1/article/view/V46n2-3161 http://www.andeangeology.cl/index.php/revista1/article/view/V46n2-3161/pdf Yours, Paul H.
  11. search for shark teeth

    Hello, so next week i will be o vacation on an island in Greece and i was wondering if its possible to find shark teeth there and how to, i dont know a lot about searching for fossils and if sharks lived there to create them in the first place but i am willing to try so if you could suggest places that fossils could possibly be found like specific places in beaches, mountains or anything you have in mind i would be really thankful. Thanks
  12. Could proteins found in dinosaur fossils come from microbes? A new study continues the debate over whether or not scientists have discovered fragments of actual dino proteins by Laura Howes, Chemical & Engineering News https://cen.acs.org/analytical-chemistry/art-&-artifacts/proteins-found-dinosaur-fossils-come-from-microbes/97/i27 Evan T Saitta, Renxing Liang, Maggie CY Lau, Caleb M Brown, Nicholas R Longrich, Thomas G Kaye, Ben J Novak, Steven L Salzberg, and Mark A Norell. 2019. Cretaceous dinosaur bone contains recent organic material and provides an environment conducive to microbial communities. eLife https://elifesciences.org/articles/46205 Raphael Eisenhofer and Alan Cooper. 2019. Fossils: A new home for microbes. eLife https://elifesciences.org/articles/48493 An opposing open access paper is: Schweitzer, M.H., Schroeter, E.R., Cleland, T.P. and Zheng, W., 2019. Paleoproteomics of Mesozoic dinosaurs and other Mesozoic fossils. Proteomics, p.1800251. https://onlinelibrary.wiley.com/doi/abs/10.1002/pmic.201800251 Yours, Paul H.
  13. Hello everyone, I'm going to be in Alberta soon and I was hoping to do some fossil hunting. I read on a previous post to this forum that dinosaur fossils can be found in the Horseshoe Valley, but I was wondering if anyone has any other suggestions near Drumheller, or if they could provide any tips for this locale. I'm aware of the laws regarding fossil collection as well, all specimens will be catch and release. I'm just trying to fulfill a dream I've had since watching Jurassic Park 20 years ago haha. Any tips would be greatly appreciated.
  14. A new dinosaur book is now out online: https://www.amazon.com/Story-Dinosaurs-25-Discoveries-Amazing/dp/0231186029 https://cup.columbia.edu/book/the-story-of-the-dinosaurs-in-25-discoveries/9780231186025 This volume discusses in depth not just the first dinosaurs to be named, but also significant dinosaur discoveries that forever molded our knowledge of dinosaur diversity as we know it today, from Sinosauropteryx, the diplodocids, T. rex, Spinosaurus, Heterodontosaurus, Stegoceras, Triceratops, and Protoceratops. It also happens to include the recently described giant titanosaur Patagotitan, now seen as probably the biggest dinosaur that ever lived (after recognition that Maraapunisaurus is probably not as humongous as previously thought).
  15. Help Needed

    Any idea what these are
  16. I recently came across the young earth theory (the theory that earth is 10.000 years old and dinosaurs coexisted with humans and traveled with Noah and his ark) and of course i thought it was unfeasible but one common argument they keep having is why are we finding soft tissues, proteins and other biochemicals in fossils like triceratops, t-rex and other dinosaur bones of course that doesn't mean DNA BUT they shouldn't have been preserved because such biochemicals don't get preserved after so much time. Another one is that some old fossils are still close to the surface when they should be buried really deep. So what are your thoughts on these arguments, in my opinion this theory is ridiculous but i'd love to learn the answers. Thanks (PS sorry for asking that many questions these days its just that im new to the forum and have lots of questions)
  17. How are fossils formed

    Going really basic here being new on the fossil game i wanted to know how a fossil gets created because i have read that the bone gets replaced by rock or sediments and they take its original form but if that's the case then we are not holding teeth, we are holding rocks in the form of teeth when holding a fossilized tooth for example. I don't really know so if someone could please explain to me if the fossil is actual tooth like it was back then or it becomes rock and the general process it would be much appreciated.
  18. How to study fossils.

    So having a small fossil collection i have thought of the possibility of studying the fossils especially the dinosaur teeth but the problem is im not a scientist so i don't know how to study them so if someone could tell me if cheap fossils like these could be studied and how it would be largely appreciated. (Collection includes 2 spinosaurus teeth, a meg tooth, 2 mosasaur teeth, mammoth hair, carcharodontosaurus tooth) Thanks.
  19. Spinosaurus actual form

    So after following nizaar ibrahim's study in 2014 I learned that spinosaurus walked on four legs and it spend a lot of time in water being a good swimmer. But recently I saw that some new studies have been published and then some others and I have lost track so if someone could please inform me about the latest discoveries and tell me if spinosaurus was a good swimmer and if he walked on four it would be much appreciated.
  20. It's been almost four years since I last went out into the field to hunt for fossils. Been so busy these past few years but finally a one week window arrived this May, and I once again entered the ancient desert home of the dinosaurs. As advised by the admins, I now post this trip with humbleness and excitement after the VFOTM has ended (very nice Ptychodus tooth, btw!) As per previous posts and trips, I will have to leave out landscape photos and location details of the fossil sites, as these sites in China can unfortunately be prone to blackmarket fossil poaching and other negative operations/awareness. I have been joining paleontological expeditions with professional and national teams since 2012 to hunt for dinosaurs, but this time the location is relatively new, and many species have yet to be described (only one eusauropod mamenchisaur dinosaur is in the works of being published at the moment). This new locality is dated to the Middle Jurassic period (Bajocian stage, 170 million years ago), and was mostly a delta-river system that fed into fast and deep rivers. Therapod fossils, Sauropod fossils (mainly) and Thyreophoran fossils are known to have been found since the area's initial prospect 4 years ago. Without further due, I will begin the report (sit back, it might take a day or two to finish, getting late here now!)
  21. Dinosaurs in Greece

    Because i live in Greece i wanted to know if any fossils of large extinct animals (like dinosaurs or big mammals) have been found in Greece because when i search it i get no valid results so could you help me?
  22. Hi. This fall I will be teaching a paleontology class for 5th and 6th graders. We will meet once a week for 55 minutes. My plan is to teach up front for about ten minutes and then for the remainder of the class to be hands on activities. I have come up with some ideas, but would love some feedback on them and any other ideas that you all might have. The first session will be an introduction to paleontology, possibly including fieldwork methods, fossil prep, ichnology and trace fossils, adaptations, cladistics, plate tectonics, etc, while the second session will be more focused on the actual organisms that we find in the fossil record and how they changed through time. The second session will build a fossil kit as the session progresses to take home at the end. Here are the topics I have come up with so far: 1. What makes a dinosaur a dinosaur, addressing the dinosaur-bird connection 2. Cladistics- using either coins or candy or both 3. Fossils and sedimentary layers, layer cake stratigraphy (not sure about using food, depends on allergies) or could use colored sand and plastic cups with animal shaped beads to be the fossils 4. Dinosaurs and speed activity, have students learn to calculate their own speed over a given distance and apply that to dinosaur foot impressions 5. Plate tectonics and fossils, have the kids reconstruct the earth 220 million years ago based on fossils found on the different puzzle pieces that the land masses have been broken up into 6. Dinosaur teeth, learning the difference between meat-eaters and plant-eaters and discuss the size of dino teeth 7. Chocolate chip cookie excavation exercise, to teach how difficult fossils can be to extract from matrix and to prepare for study 8. Activity using a pant tray covered in dirt, rocks, and some sand. Sprinkle glitter (glitter= dead animal bones) over the dirt. Then gentle rain water out of a paper cup over your pretend hillside and watch the dirt absorb the water. There is a greater chance the glitter bones will be make it into the fossil record vs. the desert. Put plastic wrap over your hillside to simulate the desert. Sprinkle on your glitter and rain over it...glitter washes away into the arroyo, bones are separated, lost, broken, etc.... --> trying to develop into a way of showing how fossils end up getting in to the fossil record more easily in a forest environment vs. a desert environment. Still only just the beginning of an idea.
  23. Hi all, I'm planning a trip to Alberta this summer and am hoping to dig for dinosaur fossils somewhere. Our trip will take us to drumheller for a day, which puts us in close proximity to Horseshoe and Horsethief Canyons, both of which I've heard contain fossils. What I'm wondering is, where in the canyons can fossils be found? And is one of the canyons better for fossil hunting than the other? If anyone knows of any other fossil sites near drumheller that are open to the public, that would also be great. Thanks!
  24. Two New Thai Raptors

    Discovered thirty years ago in Thailand, two new carnivorous dinosaurs https://m.phys.org/news/2019-05-thai-dinosaur-cousin-rex.html
  25. Dinosaurs Excavated in Denver, Colorado.

    Dig continues after crew finds dinosaur fossils at Highlands Ranch construction site, Kieran Nicholson, Denver post, May 22, 2019 https://www.denverpost.com/2019/05/21/highlands-ranch-fossils-found-construction/ Construction crews dig up dinosaur fossils in Highlands Ranch Robert Garrison, Denver Channel, May 20, 2019 https://www.thedenverchannel.com/news/local-news/construction-crews-dig-up-dinosaur-fossils-in-highlands-ranch Yours, Paul H.