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Hi everyone! I have my eye on an interesting set of associated verts from the Cloverly formation of Carbon County, Montana. I have zero experience with this formation and was hoping for a second opinion on whether or not they are dino and if they can be IDed. The seller is leaning towards Tenontosaurus. What do you all think? (I know that the last couple verts have some resto, the seller was open about that). Any insight is appreciated as always!
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Hi all, Any thoughts on the legitimacy of this deinonychus rib fragment? There's no further locality information than the Cloverly formation, Montana. Is it possible to identify fragments like this down to species? The structure of two ridges running down the outside of the rib seems common to dinosaur ribs in general. There is a bit of "honeycomb" structure where it's worn - is that suggestive of it being theropod? Even then, could you distinguish it from ornithomimid or juvenile acrocanthosaurus remains? I've asked the seller for extra details on ID - I'll update the thread if they reply.
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Hi all! This is a piece of fossilized bone from the Cloverly Formation of Montana. I thought that the structure of the trabecular bone looked very similar to that of theropod bones but needed a second, third, fourth, or how ever many more opinions. Thanks! (Theropod bone cross section for reference)
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I recently acquired a bunch of matrix from the Cloverly Formation of Carbon County, Montana. And came across a few scutes. I’m not fully sure if they are turtle, crocodile, or maybe both, which is why I thought I’d share them here.
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Stegosaurus tooth and unknown sauropod teeth from Morrison and Cloverly Formation
-Andy- posted a topic in Fossil ID
Hi all, I have 3 teeth here I need help with The first is a Stegosaurus tooth: It comes from Wyoming, USA. Morrison Formation. It looks like a Stego tooth to me in terms of size and morphology, based off this thread > --- Next, a supposed Barosaurus tooth: It comes from Sundance, Wyoming. Morrison Formation. I cannot find any good literature on Barosaurus teeth. This tooth doesn't seem to have the spade-like shape I usually associate with Camarasaurus teeth. --- Lastly, there is a sauropod tooth from the Cloverly Formation: It comes from Montana, USA. Cloverly Formation. I presume it is a Titanosauriform indet. based off these two papers: https://www.researchgate.net/publication/254315252_The_Beginning_of_the_Sauropod_Dinosaur_Hiatus_in_North_America_Insights_from_the_Lower_Cretaceous_Cloverly_Formation_of_Wyoming https://www.researchgate.net/publication/236886285_Vertebrate_Paleontology_of_the_Cloverly_Formation_Lower_Cretaceous_I_Faunal_Composition_Biogeographic_Relationships_and_Sampling Can I have your thoughts on these 3 teeth? Thank you. - Andy- 3 replies
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Red Flag on Some Dino Material
Troodon posted a topic in Is It Real? How to Recognize Fossil Fabrications
Some very nice dinosaur material is being offered for sale but their identifications need some massaging. This beautiful tooth is being identified as Gorgosaurus from the Judith River Fm. Its a "Tryannosaurid indet. " since we cannot distinguish teeth between Gorgo and Daspletosaurus.. Looks like an anterior dentary position. This gorgeous rooted hadrosaur tooth is being identified has Lambeosaurus also from the JRF. Most seasoned collectors know its very difficult to distinguish teeth between different hadrosaur species. Quite a few are described from the JRF not sure if Lambeo is one. Best identified : Hadrosaurid indet. A Majungatholus tooth from Madagascar is also offered. Unfortunately the tooth is clearly not an Abelsaurid so it cannot be Majungatholus or properly called Majungasaurus. What is it I really do not know since very little is described from the Maevarano Formation. It also brings to question if the locality is correct. "This tooth was already posted on the forum" From the Judith River Formation the seller is offering this Troodon foot Claw. Only two photos were included in the listing so it was difficult to tell but initally it does not look like one more like an Oviraptorid claw. If you are interested I would ask for more photos so we can have a better look. From the Cloverly this bone is being offered as a humerus from a Tenontosaurus. I do not believe its one and have included the arm of a Tenontosaurus from my collection to see what one looks like. Its the bone on the left. Could be an ulna but not sure.- 3 replies
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From the album: Dinosaurs and Reptiles
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Hi all, I am interested in getting a gastrolith from the Cloverly Formation. It measures 2.2" by 1.2" As I understand though, the "typical" gastrolith comes from the Morrison Formation. Are Cloverly Formation ones common? I've read the various gastrolith threads here. This stone seem to fit the criteria of having certain smooth edges, and unevenly rough sections as well (the smoothness comes from rubbing against the dinosaurs stomach along with acid, rather than being evenly worn by water). Still, I would like your thoughts on this. Does it look like a genuine gastrolith? Thank you.
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Video on Aquilops americanus - Cloverly Formation
Troodon posted a topic in General Fossil Discussion
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