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  1. Troodon

    Utahraptor Project

    Trapped in an 18,000-pound block of quicksand now turned to stone is a hidden treasure of well-preserved Utahraptor fossils. Utahraptor ostrommaysorum is a large (around five meters or 18 feet long), feathered, predatory theropod dinosaur from Utah’s early Cretaceous (~124 million years ago). Utahraptors sported huge sickle claws on their second toes, with the largest specimen measuring at 22 cm (8.7”) long. Utahraptor is a dromaeosaurid dinosaur — popularly called “raptors” based on the Jurassic Park movie franchise shorthand for it's sickle-clawed stars. The illustration below s
  2. Creek - Don

    Pholadomyida / Slipper clam top view

    Found near Alliance Airport, Highway 170, Denton County
  3. Creek - Don

    Pholadomyida or Slipper Clam side view

    Found near Alliance Airport, Highway 170, Denton County
  4. A new paper is out online: Forster, C.A., de Klerk, W.J., Poole, K.E., Chinsamy-Turan, A., Roberts, E.M., and Ross, C.F., 2022. Iyuku raathi, a new iguanodontian dinosaur from the Early Cretaceous Kirkwood Formation, South Africa. The Anatomical Record doi:10.1002/ar.25038. Iyuku was first reported in an abstract presented at the SVP 2012 conference, and it is not only the latest addition to the dinosaurian fauna of the Early Cretaceous Kirkwood Formation in South Africa, but also the second ornithopod dinosaur to be described from the Cretaceous of South Africa (the ot
  5. Creek - Don

    Neithea

    Weno/PawPaw Formation. Very large Neithea bivalve. Measures 58 mm x 46 mm / 2.23 x 1.81 inches.
  6. Here are two recent publications that provide additional information of Thailand's Dinosaur Fauna This paper describes the fossil assemblage from the Khok Pha Suam locality of northeastern, Thailand from the Early Cretaceous Khok Kruat Formation (Aptian-Albian). We currently see material coming out of this region including Laos so it can be beneficial to those that collect this region https://fr.pensoft.net/article/83081/ The presence of multiple Spinosaurids in the Sao Khua Formation is discussed. Article https:/
  7. Some good news for those that collect dinosaur material in Texas Multiple localities in the Lewisville Formation of the Woodbine Group have been studied and researchers have been able to identify a few taxa. https://peerj.com/articles/12782/
  8. A new early Cretaceous Spinosauridae has been described from the Papo Seco Formation of Portugal. Iberospinus natarioi https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0262614
  9. Troodon

    Acrocanthosaurus Teeth

    A good number of Dinosaur collectors, on this Forum, have Acrocanthosaurus on their wish list and its one of the holy grail of teeth to acquire. I saw this post by Jim Kirkland and thought I would increase the drool factor. He does not state what formation it came from but have to believe its the Cedar Mountain Formation.. Enjoy His comment "Acrocanthosaurus serrations are so fine you can barely see them"
  10. val horn

    ?is it a footprint?

    My rock was found in Elk Ridge Maryland an area of potential early cretaceous fossils and footprints. It may be a footprint, it may be nothing, I have kept it for awhile as I just cant dismiss it. I can talk myself into believing and disbelieving it. It is only one inch by one inch
  11. Kikokuryu

    Elrhaz Crocodylomorph Fang?

    While I was sorting through my collection of croc fossils, I came across these Elrhaz Formation teeth I bought 6 months ago and never did figure out what they were. I assume they are croc and not some kind of fish, though I could be wrong. I've never seen these apart from the one source I purchased them from. I've been told they were Sarcosuchus, then Kaprosuchus, then Suchomimus. Pretty sure it's not Sarcosuchus, and the images I can find of Kaprosuchus don't seem to match. Suchomimus, I don't know, but my gut feeling is, no, I've seen dozens of Suchomimus and fake-Sucho crocs, an
  12. After our two-day fossil hunt in NW Queensland, Australia we collected a few specimens and fish mash material to sort for micro fossils at home. I collected a pieces of mudstone/siltstone with a few lizard fish teeth sticking out I didn't think much of it at the time. Once home I washed and started to prep the fossil, I was happy to find and expose a large section of its jaw. While lizard fish fossils are extremely common, I was happy with the result. Please let me know what you think of the prep and what else I can do this has been a weak point of my fossils collecting ,the fossils are of Ear
  13. Went out to the Central Texas Coryell County and looked for some Early Cretaceous fossils. I recognize most of these fossils like Exogyra Texana, Gastropods, and clams I found before, but I can't seem to ID one long elongated bivalve that looks a modern razor clams.
  14. Creek - Don

    Central Texas fossil hunt

    I took a advantage of the cool weather today (low 90's) and headed out to Central Texas near Waco. This was first time hunting in the Texas Paw Paw formation ( The Paw Paw Formation is a geological formation in Texas whose strata date back to the late Albian stage of the Early Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation). I didn't find any dinosaurs , but found plenty of ammos on the cliff and in the creek bed. It was an interesting experience finding few ammonites. Here are few photos that I snapped today. Bea
  15. StevenJD

    Dinosaur Tracks

    Thought I would share some of my Acrocanthosaurus tracks in my collection from Texas. These are from the Glen Rose Formation. Anyone who has dino tracks, please feel free to post them here on this thread too...would love to see them! The associated pair are big...both over 20 inches long.
  16. Hello Fossil Friends, Saw this in the news today so thought I’d share: ******************** World's smallest dinosaur egg fossil discovered in Japan Source Link A team of researchers said Tuesday it has discovered the world's smallest dinosaur egg fossil, measuring about 4.5 centimeters by 2 cm, in western Japan. The fossil of the egg, estimated to have weighed only about 10 grams more than 100 million years ago, was found in a stratum dating back to the Early Cretaceous period in Tamba, Hyogo Prefecture, according to the
  17. blackmoth

    Early Cretaceous dragonfly wing?

    Here is a piece from the one of the Early Cretaceous formation in West Beijing. I could not find any clues for ID. I spliced the closeups .
  18. Creek - Don

    Heteromorph ammo?

    Found these next to the creeks in nearby Lake Texoma. I'm thinking this maybe the heteromorph ammos, but not quiet sure. Thing I have noticed are tight coil patterns that are not present on these ammo pieces.
  19. DD1991

    Altispinax paper

    Does anyone have a copy of the following paper to send me: Michael W. Maisch (2016) The nomenclatural status of the carnivorous dinosaur genus Altispinax v. Huene, 1923 (Saurischia, Theropoda) from the Lower Cretaceous of England. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 280(2): 215-219 DOI: http://dx.doi.org/10.1127/njgpa/2016/0576 http://www.ingentaconnect.com/content/schweiz/njbgeol/2016/00000280/00000002/art00008
  20. A new pterosaur-related paper is available online: Rodrigo V. Pêgas, Borja Holgado & Maria Eduarda C. Leal (2019). On Targaryendraco wiedenrothi gen. nov. (Pterodactyloidea, Pteranodontoidea, Lanceodontia) and recognition of a new cosmopolitan lineage of Cretaceous toothed pterodactyloids, Historical Biology, DOI: 10.1080/08912963.2019.1690482 Targaryendraco constitutes a distinct form of Anhanguera-like pterosaur, being united with Aetodactylus, Aussiedraco, Barbosania, Camposipterus, and Cimoliopterus in the new clade Targaryendraconia. It's quite ironic that Targ
  21. A news article about the first Early Cretaceous avialan from Japan is available at the following link: https://www.smithsonianmag.com/science-nature/newly-discovered-fossil-bird-fills-gap-between-dinosaurs-and-modern-fliers-180973551/ Fukuipteryx is the first Early Cretaceous non-ornithothoracine avialan to be described from an Asian locality outside China or Mongolia. Since Fukuipteryx has a pygostyle and is recovered as basal to Jeholornis, it is unclear whether some non-pygostylian birds had a pygostyle. Link for original description of Fukuipteryx:
  22. For those of us fortunate to obtain specimens before the ban was put in place here is a study published earlier this year that looked at a fair number of teeth. The blog provides a good read for collectors plus other readings in their references.. Blog http://rexmachinablog.com/2019/09/04/thailand-spinosaur-teeth/ Paper https://www.researchgate.net/publication/332698408_Spinosaurid_theropod_teeth_from_the_Red_Beds_of_the_Khok_Kruat_Formation_Early_Cretaceous_in_Northeastern_Thailand Wongko et al. found in the
  23. Manticocerasman

    Our fossil hunting holiday trip

    Natalie81 and I are back from our fossil hunting holiday. On the 20th of july we left for a long camping and fossil hunting week in the UK, we took the ferry in Calais to Dover, drove to Porthsmouth and the 2nd ferry to our 1st stop: 5 days on the Isle of wight. the 1st day on the Island, we prospected the beaches on the the south west of the isle where the Wealden cliffs could deliver some dinosaur remains.We had no luck this time. the 2nd day we went to the southern part of the Island where we could find some cenomanian ammonites in the chalk. T
  24. Troodon

    New Theropod from Brazil

    Noasaurinae represents an enigmatic group of small-bodied predatory theropod dinosaurs best known from the iconic Masiakasaurus knopfleri, from the latest Cretaceous (Maastrichtian) of Madagascar. This paper describes a new species from Brazil, Velocisaurus paranaensis . This paper might be a good reference source for material found in the Kem Kem of Morocco since Deltadromeus agilis or may be possibly related to Noasaurinae. Systematic: Abelisauroidea (Bonaparte and Novas, 1985) Noasauridae Bonaparte & Powell, 1980) Noasaurinae (Bonaparte & Powell, 1
  25. Does anyone have a copy of the following paper: MARTIN V. & BUFFETAUT É. 1992. Les iguanodons (Ornithischia – Ornithopoda) du Crétacé inférieur de la region de Saint-Dizier (Haute-Marne). Revue de Paléobiologie 11: 67-96.
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