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Showing results for tags 'spinosauridae'.
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Machine learning identifies possible Deltadromeus tooth
BirdsAreDinosaurs posted a topic in Fossil News
By combining several analytical methods, including machine learning, to assess the diversity of a collection of theropod teeth from the Kem Kem beds, researchers found a tooth that could possibly be assigned to Deltadromeus agilis. https://www.tandfonline.com/doi/full/10.1080/02724634.2024.2311791 https://www.uu.nl/en/news/higher-carnivorous-dinosaur-biodiversity-of-famous-kem-kem-beds-morocco -
New paper out today that examines the Spinosauridae family. Unfortunately the paper is mostly in Portuguese. Google translate can be very helpful. Paper: "We conclude that out of these 20 taxa six can be regarded as nomina dubia (Ostafrikasaurus crassiserratus, Suchosaurus girardi, Spinosaurus maroccanus, Siamosaurus suteethorni, Sinopliosaurus fusuiensis, Suchosaurus cultridens)due to the lack of diagnostic material and autapomorphies." https://sbpbrasil.org/publications/index.php/paleodest/article/view/357
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- taxonomy
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I was given these teeth by a friend many many years ago and they were identified as plesiosaur teeth. They are from Niger, Africa. I looked and found no record of plesiosaurs ever being found in Niger. I also did a bit of compairing with other plesiosaur teeth and found no match. One of them looks to me to be from a suchomimus or some other spinosaur (judging by the grooves on the tooth). The other two look to be from some sort of crocodyloform, possibly stolokrosuchus.
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- suchomimus
- suchomimus tenerensis
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Hello all. I am looking to buy my first fossil, and found this Spinosauridae tooth for sale online. No repair or restoration work was listed but I would love a second opinion. Thank you.
- 10 replies
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- spinosauridae
- spinosauridae indet.
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From the album: My collection in progress
Spinosaurus aegyptiacus Stromer 1915 Location: Kem Kem Beds, Morocco Age: 95 Mya (Cenomanian, Upper Cretaceous) Measurements: 7x2 cm Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Reptilia Subclass: Diapsida Superorder: Dinosauria Order: Saurischia Suborder: Theropoda Family: Spinosauridae -
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://www.uni-bonn.de/en/news/078-2021 Paper https://www.researchgate.net/publication/349291782_A_spinosaurid_from_Thailand_Sao_Khua_Formation_Early_Cretaceous_and_a_reassessment_of_Camarillasaurus_cirugedae_from_the_Early_Cretaceous_of_Spain
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- spinosauridae
- khok kruat formation
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From the album: Dinosaurs
Species: Spinosauridae indet. Age: Cretaceous (Cenomanian), c. 95 million years ago Location: Kem Kem Formation, Morocco Probably the most common dinosaur fossil available on the market, a Kem Kem Spinosaurid tooth. At least two spinosaurid species are known from Kem Kem; Spinosaurus aegyptiacus and Sigilmassasaurus brevicollis. As there are no known teeth of Sigilmassasaurus, comparisons between the two are impossible and determining the genus which the tooth belongs to is also impossible. -
Hi everybody! Last month i saw this tooth on sale and it was love at first sight But from the beginning i understood that what it was and how it be presented are not on the same page... Luckily i know the seller pretty well and we trust each other...so i asked info before make the purchase...He told me that his provider (directly from Morocco) told him that the tooth was a Dyrosaurus phosphaticus but that he was not confident about the ID...the moroccan provider told to my friend/seller that was the first time that he saw a totth like that and its first idea of ID was D.phosphaticus. So provider was not sure, the seller just report the same ID given by the provider...and after hearing this story, i was even more convinced that i was on the good path...this is NOT a D.phosphaticus tooth...but for me, it was not a crocodilian tooth at all. Then i started to wondering what could it be...and i have reached two possibilities: 1) Spinosauridae: like Baryonyx/Suchosaurus 2) Pliosauridae: like Liopleuridon or Simolestes The specific features of the tooth (well conserved on labial side, damaged on lingual side, full carinae, intact root) are: - 2 marked, smooth carinae - 9 labial ridges - less evident lingual ridges - smooth enamel Other info: Origin: Khourigba - Morocco Age: Maastrichtian - Upper Cretaceous (doubtful) Lenght: 5.5cm / 2.16 inches What do you think about it? Someone can recognize it? Let me know and thanks to everybody!
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It's nothing particularly exciting, but I just wanted to share what is possibly the prettiest looking Spinosauridae tooth I've ever seen. The enamel patterning on it is gorgeous, and very different to what I've come across on run-of-the-mill Spino teeth before. Both carinae and tip are also beautifully preserved. There is a pretty smooth enamel texture and no fluting, plus it's even sporting an offset, short mesial carina for an extra bit of personality. (51mm) Anyone else want to share their favourite colourful teeth?
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- theropod
- spinosauridae
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I've spoken to Troodon a little elsewhere on the forum regarding this serrated Spino tooth; my main question is regarding the root - can anyone verify whether the root looks to originally be from this tooth? It's obviously been reattached, but sand has been used to fill a gap between the crown & root, which makes me wonder a little. For anyone wanting wider details around this little oddball: • Length approx 48mm long (including the root) • Very slightly recurved • Mesial carina naturally terminates at the midline • Denticles appear to be 2/mm on both carinae • Veiny enamel texture • Extremely minor fluting on one side The Interesting Features: Mesial Margin: Distal Margin: Enamel Texture: Apologies for the godawful photos. (I definitely need to get a better microscope for this stuff!)
- 20 replies
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- cretaceous
- spinosauridae
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Hi all, I have another fossil here for your inspection please. It seems to be a Spinosaurid partial neural spine but I cannot be sure. @Troodon @LordTrilobite
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- spinosauridae
- spinosaurus
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Hi all, I acquired a partial Spinosauridae caudal spine recently from the Kem Kem Beds. However, I was told that this is a dinosauria indet. rib. The digger who provided me the fossil is experienced and trustworthy. Still, I would like to hear your thoughts on this fossil. Thank you. EDIT: Two others suggested that this is part of a scapula
- 13 replies
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- kem kem beds
- rib
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From the album: Dinosaurs and Reptiles
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- suchomimus
- spinosauridae
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