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Found 55 results

  1. Newest Rex Tooth

    Good morning all, it has been a bit since I've posted here. I recently picked up a nice Tyrannosaurus rex tooth from the Hell Creek formation. This tooth has a lot of character to it. Even though it is not huge by any means, it has beautiful enamel and excellent serrations. I just wanted to get everyone's thoughts on it. Thank you!
  2. I post this as a reminder to Dinosaur tooth collectors that the Kem Kem Beds is not the only place that you need to be careful when you are looking to buy teeth but offerings from the States can be problematic. New collectors should to be especially mindful that sellers are not always accurate in what they are selling. Best to ask us B4 you buy. Here are a few examples: A beautiful Tyrannosaur tooth is being offered and sold as Albertosaurus from the Judith River Formation of Montana. Unfortunately this species is not described from this locality and currently only known from very late campanian, early maastrichtian deposits of the Horseshoe Canyon Formation in Alberta. You cannot distinguish between species of Tyrannosaurid teeth from campanian deposits. So this tooth is either a Daspletosaurus or Gorgosaurus tooth. Best identified as Tyrannosaurid indet. Aublysodon pre-max tooth is being offered from the Judith River of Montana. Unfortunately this species is no longer considered valid and teeth of this morphology are assigned to other Tyrannosaurids. In this formation, it's either a Daspletosaurus or Gorgosaurus tooth. Nice tooth best identified as Tyrannosaurid indet. An offering of a Nodosaurs tooth, Edmontonia rugosidens from the Hell Creek Formation. Unfortunately this species is not described from the Hell Creek Formation. Currently only Denversaurus schlessmani is the only described Nodosaur from the Hell Creek/ Lance Formations. Again a nice tooth. Be aware that other Nodosaurs may exist in these localities and this tooth is best described as Nodosaurid indet. but until those discoveries are made calling it Denversaurus is acceptable. The Ceratopsian Leptoceratops gracilis is being offered from the Hell Creek Formation. Again this species has not been described from this formation. The teeth are however identical to those L. gracilis and should be identified as: c.f. Leptoceratops gracilis. until we have a named species described. Daspletosaurus tooth being offered from the Judith River Formation. Similar comment as my first one. You cannot distinguish between species of Tyrannosaurid teeth from campanian deposits. Either a Daspletosaurus or Gorgosaurus tooth. Best identified as Tyrannosaurid indet.
  3. Not sure how many have see this Devian Art Representation of the Dinosaur fauna in the Hell Creek & Lance Formations. It's Paleop interpretation of what he believes exists. Download the image in the link to see it best. Not everything he shows has been officially described but the number and type look pretty good. It's pretty cool The image is the link
  4. A very brief article about the "Chicken from Hell" Anzu wyliei found in the Hell Creek Formation. Added some of my photos to get a better view of this cool Dinosaur. Carnegie Museum Article http://carnegiemuseumnaturalhistory.tumblr.com/post/165688152585/anzu-wyliei-perhaps-better-known-by-its-colorful/amp?__twitter_impression=true 5 feet high at the hips. Hand Claws reached 7 inches long
  5. Documented in this paper is baby hadrosaur that represents the first occurrence of an articulated nestling dinosaur skeleton from the latest Cretaceous (late Maastrichtian) of North America. It's from the Hell Creek of Montana, Garfield County. Edmontosaurus annectens Red... Scapula Purple.. Vert column Green..Pubis Blue.. Femur & Tibia Journal of Vertebrate Paleontology. ....Paywalled for non members.. A nestling-sized skeleton of Edmontosaurus(Ornithischia, Hadrosauridae) from the Hell Creek Formation of northeastern Montana, U.S.A., with an analysis of ontogenetic limb allometry Mateusz Wosik,Mark B. Goodwin &David C. Evans http://www.tandfonline.com/doi/abs/10.1080/02724634.2017.1398168?journalCode=ujvp20#.Wog2CXWObFg.twitter
  6. Troodontids certainly are one of my favorite dinosaur families. Intelligent and what a set of chompers to eat you with, all you can ask for in a cool dinosaur. Will start this with the Pectinodon teeth in my collection and will continue to add as I take photos. This species has some of the coolest teeth. Pectinodon bakkeri is the only named Troodontid in the Hell Creek and Lance Formations. This is a tooth taxon and its teeth are significantly much smaller than its big cousin Stenonychosaurus. Lance Formation Hell Creek Formation A couple of the teeth in matrix are partially rooted which is extremely rare since the teeth are so small Hell Creek Formation - Powder River County Hell Creek Formation
  7. BHI Oviraptorid Discovery

    The Black Hills Institute exciting new Oviraptorid discovery this year in the Hell Creek Formation is far far from completion but Pete Larsen has been keeping everyone appraised of its status. Its still mostly in matrix and the arduous task of preparation as just begun. A new species or a new Anzu wyliei skeleton, it looks different. Not as sexy as Tuffs Love T rex skull but scientifically import. Here is a good look at what it takes to extract one of thess raptors. The site a Hell Creek lake deposit Airbraide-airpen outside, slowly making progress to keep the dust down Screening clay filled "mud" collected at the Oviraptorid site and soaked in water for a week. Hoping for bone fragments. The mud is then scooped into a screen Sprayed with water to reduce the clay and mud Slowly the clay breaks down and washes away This is all that's left of 5 gallons of surface scrapings. Hopefully when finished screening the 20 gallons of mud, some bone will be found Cleaned up the tibia-fibula-astragalus-calcanium block with 5 gastralia Working on the Oviraptorid pelvic and neck block. Nice preservation, but some of the matrix is siderite concretion. Airscribe work. Hard tedious work to extract each piece. Lots of skull elements I've circled the lower jaw among skull elements
  8. A humorous, look at experiences on a dinosaur dig crew in the famous Hell Creek Formation of Eastern Montana. This short story is bound to bring a chuckle or two to those in the field of paleontology who endure it all in the name of science. Looks like only a Kindle version of . 99 cents by Richard Meyn https://www.amazon.com/Road-Hell-Creek-Volunteer-Dinosaur-ebook/dp/B078ZQ8J3C/ref=sr_1_1?s=books&ie=UTF8&qid=1516142474&sr=1-1&keywords=road+to+hell+creek
  9. Only two Ankylosaurs are reported from the Hell Creek and Lance Formation the Nodosaurid Denversaurus schlessmani and Ankylosaurid Ankylosaurus magniventris. I've identified my material to reflect these dinosaurs and if additional ones are discovered will change my identification. Material from these dinosaurs are extremely difficult to find with Teeth and Scutes being the most common. Bones are extremely rare. My Tail Club - also have a container full of isolated pieces that go to the missing portion. A few representative scutes from my collection. Most come from one area and are most likely associated. Have +30 from this site. One of my dinner plate scutes I call this my Bactrian Camel double humped scute. Different locality with a bulbous base.
  10. Hi all, I have a group of dinosaur teeth that needs identifying. They are either triceratops or hadrosaur teeth. They come from Hell Creek Formation of Powder County, Montana. All the teeth are roughly 1.5 cm tall 1) I am guessing hadrosaur 2) I am guessing triceratops 3) I am guessing triceratops 4, 5, 6) These 3 are extremely similar. I can't tell what they are.
  11. A member asked me to check out some auction offerings for Morrocan Dromaeosaurus teeth and I did and they of course they were improperly identified. Not being familiar with the identification of these teeth I tried to help him by checking around on different dealer websites and was appalled at what I found. What I refer to as key dinosaur suppliers, on the web, were selling Dromaeosaurus teeth from the Hell Creek Formation of Montana. What makes me more upset is that I told one of them that they do not exist. All the listings were beautiful teeth however they were not Dromaeosaurus but looked like Nanotyrannus. Reminder to all those that are interested in purchasing teeth or bones from the species Dromaeosaurus it does not exist in the Hell Creek Formation or Lance Formation or Morocco. That species can only be found in the States from the campanian deposits of the Judith River Formation and Two Medicine Formation of Montana. Canada also has a number of formations where it can be found also in Campanian deposits but you rarely see them offered for sale. The Hell Creek and Lance Formations have only two Dromaeosaurids described Acheroraptor and Dakotaraptor. So if your interested in purchasing a Dromaeosaurid tooth from those faunas it needs to be from one of those dinosaurs. Since domestic Dinosaur dealers don't seem to have their act together I suggest that you post any interest in these type of teeth here on the forum before you buy to be sure its properly identified.
  12. Bird and Pterosaur material is extremely rare in the Hell Creek and Lance Formations. Over the years I've purchased and found a few bones that I believe fit this category but not certain. Some may be mammal or reptilian. I'm not a bird guy so if you see something that does not seem right please let me know. Not a lot is published so I'm always open to learning. I showed this to a well respected theropod paleontologist and the potential ID's were his thoughts Troodontid?
  13. T-rex Skull Untombed

    The discovery of the Tyrannosaurus rex led by a team from the Burke Museum made news last year. I've attached some photos of the preparation of the skull provide by the Burke Museum to show their progress with this dinosaur They have named this animal "Tufts-Love Rex" after Jason Love and Luke Tufts, the two volunteers who discovered it. Lower Jaw is exposed from its tomb. What a beautiful set of chompers The Skull is next. Maxilla More will follow as work continues..... @Pagurus
  14. Only large bodied Ceratopsian have been described from the Hell Creek/Lance Formations like Triceratops and Torosaurus. Small bodied Ceratopsians do exist and isolated material similar to Leptoceratops gracilis is found. I believe the type specimen was discovered in Alberta part of the Scollard Formation which is Maastrichtian in age. Most of these finds are is in the form of isolated teeth however post-cranial material and skull elements are scarce but found. Dealers/auction sellers and collectors have a good understanding of what these teeth look like and the teeth are very distinctive from large bodied Ceratopsians with just a single root. Skull Elements: Isolated Teeth: Post-Cranial Elements
  15. Paper describes shell remains of eight fossils referable to Helopanoplia distincta from the Hell Creek Formation of Montana and North Dakota that, in combination, document nearly all aspects of the shell morphology of this taxon. Helopanoplia distincta is based on just two shell fragments from the Lance Formation of Wyoming. The new fossil material thoroughly supports the validity of Helopanoplia distincta. There is also a very informative map showing where the exposures are of the Hell Creek and Lance Formations. Joyce WG, Lyson TR. (2017) The shell morphology of the latest Cretaceous (Maastrichtian) trionychid turtle Helopanoplia distincta. PeerJ 5:e4169 https://doi.org/10.7717/peerj.4169
  16. Hello, where can I buy dinosaur fossils from the Hell Creek formation for fair prices? I am having trouble finding a website that offers some good dinosaur fossils.
  17. Hi there, I'm new to the fossil forum, and was hoping I could get help in identifying this jaw. It was found in Marmarth, North Dakota in the Hell Creek Formation. I don't have any more specifics on location besides that. I hope the pictures are detailed enough, but if not, I can post more. I am thinking it has to be some kind of fish, but I am not completely sure. Any direction or help would be wonderful! Thank you so much!
  18. Melvius thomasi Bryant, 1987

    This tooth was found on an anthill. It was donated to the U.S. Forest Service, Minerals and Geology Management Department., Chadron, Nebraska, in July, 2017.
  19. September 2017 was a busy month for me. Worked a day in the Thornton, CO Triceratops dig with other DMNS volunteers and staff. Then headed up with my son to hang out with my friend Walter Stein (Owner of Paleo Adventures), and some of his friends, to help dig at his Tooth Draw Quarry. Several good fossils were found. I found a Nanotyrannus tooth, a Thescelosaurus ulna, and other teeth and small fossils. My best find though, was a very well preserved left dentary from a mammal that may very likely be Didelphodon, or something closely related. Had a fantastic time and and made new and fun friends. Then this past weekend, I went back up to SD by myself, to help my friend Tom Caggiano (Owner of Lost World Fossils) to dig up Edmontosaurus bones at a monospecific bonebed, with some friends of his that have been collecting there for a very long time. Friday was overall a nice day. But we got rained out on Saturday. So we all headed out to Hill City, SD. First we visited with Sandy Gerken. I got to see her fossil prep lab. And several cool fossils she is working on for clients. Then we went to visit BHI and it's museum. Had the guys pose next to the bronze Triceratops skull out front. Also checked out some nice rock shops in the area. On Sunday, weather caused us to have a late start at the Edmontosaurus Bone bed. Worked on trying to fully expose an Edmontosaurus ilium I found on Friday. It turned out to be much larger than we thought. Only had a little more than a half day to work on it so unfortunately, I only got 3/4 of it exposed for removal. I was leaving Monday morning for home, so Tom Caggiano was going to try and finish pulling it out Monday morning before he also leaves. Unfortunately, they got rained out on Monday too. So Ken And Glenn said they would double foil it cover it up for us. I also found a partial Edmontosaurus maxilla, Edmontosaurus sqaumosal, cervical rib, Ischium, small manus phalanx, and a few Edmontosaurus teeth, some with roots. It was a fun trip. It was a pleasure meeting Ken Roblee, Glenn LaPlaca, and @Troodon. All three are very nice gentlemen. They made me feel quite welcome. @Troodon was a pleasure to finally meet up with. He and I spent a lot of time talking about all things dinosaur fossils. Great guy! All four individuals are, in fact, great guys!
  20. Hell Creek Coprolites

    Hi all, I just got back from a fantastic dig near Marmarth, ND. I was in coprolite heaven! I am wondering if anyone has any clues about the round inclusion in the first photo. It is phosphatic. I thought it was particularly interesting because I rarely see inclusions in this type of coprolite. I am also including photos of some of the more interesting coprolites I found along with a really cool ichnofossil found by another member of our group. What is interesting about this one is that it is furrowed on both the rounded and concave ends.
  21. Cretaceous ,seed - Hell Creek

    Out at a hadrosaur dig site and came across this seed. Can anyone identify it? Thanks for looking!
  22. This was found on an anthill in the Hell Creek Formation, SD. A few years ago, a paleontologist at the South Dakota School of Mines looked at it and thought it could be avian. Can anyone out there confirm this? If so, any ideas as to species? Thanks for looking!
  23. Small Vertebra (Hell Creek)

    Any help on the identity and position of this small (scale bar = 1 mm) vertebra from the Hell Creek Formation (Late Cretaceous) of S. Dakota, would be greatly appreciated. It looks like much of the neural arch and processes are gone. The centrum is a bit more dorso-ventrally flattened as compared to the turtle vertebra I posted the other day, and the ventral side (?) of the centrum has sinuses unlike the turtle vert (perhaps due to wear / breakage?).
  24. Richardoestesia isosceles?

    Is this a tooth of Richardoestesia isosceles? Scale marks on left side of tooth are in mm and on the right side are in 0.5 mm increments. Serration count ranges from about 6 to 8 per mm. What remains of the tooth is approximately 11 mm in length. Hell Creek Formation (Late Cretaceous: Maastrichtian), South Dakota.
  25. Hell Creek "Herptile"

    Could someone help me with the identification and position of this vertebra. I was thinking it was procoelous and maybe crocodylomorph? Scale bar = 1mm.
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