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Found 10 results

  1. svcgoat

    Timurlengia?

    So when I purchased this tooth it was listed as Timurlengia, however I know there have been recent discoveries of both a large Dromaeosaurid and carcharodontosaurid from this formation. Is there any way to figure out if this is Tyrannosauroid for sure? Uzbekistan - Bissekty Formation @Troodon
  2. For those of you that collect material from Uzbekistan this is interesting. The attached "PAYWALLED" paper describes a very large Digit II-2 phalanx that belongs to a giant Dromaeosaurid. The article also raises questions around the recently described Ulughbegsaurus uzbekistanensis but need to read the publication if I can get my hands on it. https://www.cambridge.org/core/journals/geological-magazine/article/abs/giant-dromaeosaurid-theropod-from-the-upper-cretaceous-turonian-bissekty-formation-of-uzbekistan-and-the-status-of-ulughbegsaurus-uzbekistanensis/4543ABAB1EC19C84405EDF66A5F53124#
  3. A new alvarezsaurid theropod, Dzharaonyx eski, is documented by a variety of dissociated but well-preserved postcranial bones from the Upper Cretaceous (Turonian) Bissekty Formation at Dzharakuduk, Uzbekistan SVP- paywalled https://www.tandfonline.com/doi/full/10.1080/02724634.2021.2036174#.YioDnNOKB1s.twitter I have not seen any of these on the commercial market, has anyone?
  4. Theropod teeth from Uzbekistan typically are not seen for sale other than those from Tyrannosaurs. Opportunities always make themselves available so I decided to put a quick post out on those that have had some scientific research. I also think it's cool to see some of these teeth. We are looking at teeth from the Bissekty Formation, Touronian in age from the Kyzylkum Desert from the following two locations Dzharakuduk and Uchkuduk. There are younger and older deposits in this Desert but all of the teeth sold appear to be coming from those two localities. Changes to what is presented here most certainty will occur with continued research, understanding and new discoveries. Bissekty Tyrannosaurid: Tyrannosaurid indet. (in 2016 this was described as Timurlengia euotica) The Tyrannosaur from this locality has yet to be described. Once thought to be Alectrosaurus it is now viewed as a different Tyrannosaur. The Premaxillary teeth may or may not be serrated. They are your typically D shaped tooth. (17.5-27.5 denticles per 5mm) The scale bar represents 1mm. The Maxillary and Dentary teeth are typically very compressed (flattened) and recurved. Both carinae are serrated and have the same size denticles. Crowns can be quite different, some long and blade like others short and more stout. (12-22 denticles per 5mm on distal carina) The scale bar represents 1mm https://www.sciencedirect.com/science/article/pii/S019566711100187X Troodontid: Urbacondon sp. There are three taxa of troodontid dinosaurs recognized from the Kyzylkum Desert. Urbacondon itemirensis from the Cenomanian for the Dharakuduk Fm, an Indeterminate Troodontid from the Khodzhakul Formation and Urbacondon sp from the Bissekty Formation. The teeth are not common and only four teeth have been identified. A premaxillary tooth, anterior dentary tooth and a pair of maxillary or dentary teeth. Quite distinctive easy to identify. https://www.researchgate.net/publication/284813177_Troodontidae_Dinosauria_Theropoda_from_the_Upper_Cretaceous_of_Uzbekistan Therizinosauroid indet Therizinosaurs are among the most common theropod in terms of skeletal remains found. At least two undescribed taxa are present in the Bissekty Formation. Their teeth are small but easily identifiable. They are found with either conical and lanceolate crowns. The scale bar represents 1mm. https://www.sciencedirect.com/science/article/pii/S0195667115301117 Dromaeosaurid: Itemirus medullaris Dromaeosaurid remains are among the least common theropod found in this region. Teeth however are numerous. Like all Dromaeosaurid teeth there is a distinct difference between the size and density of serrations along the mesial and distal carinae. The distal denticles are always much larger. Anterior teeth have the medial carina twist. (3-6 denticles per 1mm on distal carina) If the serrations are identical it most likely is a Tyrannosaur or another Indeterminate Theropod. http://www.sciencedirect.com/science/article/pii/S0195667114001189?via%3Dihub
  5. Hello everyone! ive got three slabs of prints created by an unknown prehistoric animal (if it’s even created by an animal) that had been in my collection for quite some time now. Since I’m on the forum and still requires a proper identification for it any identification help from ichnofossil experts are much appreciated! Here are some pictures of the fossils but since the prints might not be that clearly seen I uploaded some other pictures highlighting the “lumps” or the pattern made by the print. Hope that helps.
  6. BellamyBlake

    Timurlengia?

    I have here two theropod teeth from the Bissekty Formation of Uzbekistan. I believe they're Timurlengia. Can that identification be made? First one is 1.08" long and 0.55" wide
  7. Hi dear all, i would like to have your opinion on this tooth for I am looking for a birthday gift for myself. ;-) Acording to the seller it is a Timurlengia from the Bissekty Formation in Uzbekistan. It was found in the Kyzylkum desert. I have seen some other Timurlengia from Uzbekistan here in the forum and they were much darker... What would you say? Thanks in advance!
  8. Kikokuryu

    Levnesovia transoxiana

    Stabilized with Butvar B-76; repaired using an unspecified cyanoacrylate. Identified by Dr. Alexander Averianov as a sacral vertebrae of a juvenile Levnesovia transoxiana. The specimen is either from Dzarakuduk or an excavation near the city of Uchkuduk many years back.
  9. Hi all, I have been staring at this tooth for quite a while now with question marks in my head. It was found in the Bissekty Formation, Kyzylkum desert, Uzbekistan. It's 27mm long (1.01 inch) and properly labeled as Theropod indet. However, the seller raises the possibility of it being a Dromaeosaurid. Serrations do look different in length and width, a count on screen gives me distal 13/5mm and mesial 16/5mm. What throws me off is the rather 'stout' crown and round cross section, more Tyrannosaurid in my view. However, I have no reference images and the only publication I found (Sues and Averianov 2014) is not exactly helpful. I posted available images - I could contact the seller if additional information is required. Any input is highly appreciated.
  10. Hello, I lack teeth in my collection from the Bissekty and a number of theropod teeth have popped up on a popular auction site from a seemingly reliable seller. None of them are super special but I am curious if I should pull the trigger or wait for better material? I don't see Bissekty material often and would have trouble doing a proper ID.. Thank you
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