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Found 19 results

  1. This was my first winter fossil hunting in NJ (or anywhere, as a matter of fact). Definitely a different experience from summer and fall. Less people, and much better fossils! Although the people I have run into were pretty devoted, which I can appreciate. Thought I would document my 4 hunts between December and this past weekend. First up, 12/16. On of my favorite Cretaceous brooks. Found an awesome variety of fossils, one of which turned out to be a Theropod tooth! Group Shot Devonian glacier erratic with Crinoids, Bryozoan and Brachiopod or Bivalve impressions. Gastropod Steinkern Ammonite Steinkern Crustacean claw piece A. phasolus Crusher Tooth Enchodus sp. Tooth w/Jaw fragment Squalicorax sp. (Crow Shark) A. kopingensis (Mackerel Shark) Theropod Tooth
  2. Hi everyone! Online I found this tooth for sale, the seller presents it as Afrovenator abakensis tooth from Tiouraren Hill in Niger. In my limited experience I know that it is not always easy to identify which species or genus the found teeth belong to. In this case, from the photos, is it possible to understand if it is really an Afrovenator or maybe another species?
  3. ThePhysicist

    Tyrannosaurid vs Dromaeosaurid

    From the album: Hell Creek / Lance Formations

    As a theropod tooth aficionado, I thought it useful to compare two families present in the Hell Creek Formation. They become increasingly difficult to distinguish as they get smaller, but this graphic presents some features which may be used to differentiate them on two similarly-sized exceptional specimens. Keep in mind there is some variability due to position, ontogeny, etc., so it's beneficial to study more than one tooth for each family.
  4. Zapsalis

    Possible Dromaeosaurid Tooth?

    Hello, So I came across this seller offering a “Dromaeosaurus tooth”, and I was wondering if it was properly ID’d. The serrations are pretty worn up front, so I’m unsure. The only locality that I can get is Judith River Formation, Montana. (IIRC, Dromaeosaurus isn’t found in the Judith River Formation.) The dimensions of the tooth are 1.3 inches long, 0.2 inches wide, and 0.1 inches thick. It’s been a little while since I’ve last posted here, because I was busy with life and university. Hopefully I did things correctly.
  5. ThePhysicist

    Theropod tooth terminology

    From the album: Hell Creek / Lance Formations

    Terminology and conventions from Hendrickx et al. (2015)
  6. Dino Dad 81

    Rex? DR? (nano?)

    Hi, This one is a real kicker for me and I'm eager to hear what you think. Before studying it, I thought it might be a small T Rex, but the serrations are too fine. I don't believe it can be Nano for a few reasons, base shape being a big one (zero pinch). But it'd be unusual for a DR I think too, mostly for the mesial carina, but not sure. I wonder if much of the oddity is due to it possibly being an anterior tooth...? It's: From the hell creek formation CH: 16.6mm CBL: 8.8mm (1.88 ratio) Mesial serration density: about 6 per MM Distal serration density: about 4 per MM Serration shape: Hard to tell with the level of wear, but the stumps are perfectly round--not boxy or rectrangular, as I'd expect if chisel Base cross-section: Oval, no pinch whatsoever Mesial carina: Here's a tough part--it's very offset to one side and it hard for me to tell whether that means twist or not. Both the distal and mesial carina are fairly extremely to opposite sides (anterior?). So the mesial can look like it has twist, but, from the right sideways view, the two carina are both visible and parallel from top to bottom--they don't seem to converge with a twist at the lower mesial portion. THANK YOU!
  7. ThePhysicist

    Theropod tooth fragment

    From the album: Aguja Formation

    Finally, a theropod! It's just a fragment, however.
  8. Is it really from Carcharodontosaurus or some other theropod? Information I got with it, Carcharodontosaurus saharicus Kem Kem Beds, Morocco
  9. Brad84

    Acrocanthosaurus Tooth

    Good morning! I wanted to share this beautiful Acrocanthosaurus tooth I was gifted by one of my dear friends family after he passed away. It was found in Texas and it is by far my favorite in my collection. I hope you enjoy it as much as I do!
  10. ziggycardon

    ID requested: Kem Kem tooth

    Hi everyone, I am currently eyeing this Theropod tooth from the Kem Kem beds in Morocco which is listed as a Deltadromeus tooth. Now I know that no teeth can be attributed to Deltadromeus as no cranial material has been found yet and I know that most teeth sold as Deltadromeus are in fact Abelisaurid teeth but this tooth seems way to curved to be Abelisaurid which could my eye instantly. So I was think if this might be a Dromaeosaurid tooth which while rare (and not yet officially described from Kem Kem) are somethings found and sold as Deltadromeus. Or might this be a small anterior tooth of a Carcharodontosaurid, I would appreciate your thoughts and imput on this tooth before I commit to buy. These are currently the only pictures I have, I am not sure if they suffice to give a proper ID whether these are Dromaeosaurid or Carcharodontosaurid, so I also asked the seller for some photos of the base of the tooth and if possible some close ups of the serrations. Thank you in advance, Ziggy Cardon
  11. Jaimin013

    French theropod tooth

    Hi there this little tooth is being advertised as a Nuthetes Destructor from the Dromeasauridae family Location: France - Champblanc / Cherves Size: 1.5cm I have my doubts about the ID as ND teeth are known for a depression in their crown (see below) although this tooth does have serrations. The person's reasoning for ID'ing the tooth is that the seller is a paleontologist ! 100% guaranteed. I don't really think that is a valid reason (a few months ago I may have said this was as I would take anybody's word for anything but now that I have been collecting teeth for less than a year I don't think it is!) Even paleontologists can get ID'ing wrong) Please let me know your thoughts, thanks everyone.
  12. ThePhysicist

    Abelisaurid tooth

    From the album: Dinosaurs

    Beware, these are commonly sold as "raptor" or "deltadromeus" teeth.
  13. Is this a real T-rex tooth? this tooth belong to someone i know. He claimed that he got a big rex tooth from USA (no more specific locality). Here are Three pictures I have. What do you guy think??
  14. Hi ! This tooth is in my small collection for quite a while...original owner Label this tooth as Nanotyrannus tooth from carter country , Hell creek formation Size: 0.75 " , Distal serration count about 9/ 2 mm and for Mesial serration mostly worn off but some still visible as photo attached . Any help on ID this tooth is much appreciated !!! and sorry if the photos are not good enough i try my best with my phone camera
  15. Came across this tooth labeled as an abelisaurus belonging to chinanisaurus barbaricus from the Maastrichtian supposedly found in the phosphate mines of the Ouled Abdoun basin. Looks pretty thick to be abelisaurus and comparable to an extent to some carcharodontosaurus teeth. Is there a way tell the difference or will there need to be more specifics involved.
  16. Guns

    Theropod tooth ID

    This tooth is listed for sale from dealer in my country as Tyrannosaurus Rex tooth. Info from dealer : 0.53" from Carter country, Hell creek formation, Montana. To me clearly it is not T-rex tooth.I think it may belong to Acheroraptor tooth.Please confirm&correct me if im wrong. thank you. Guns.
  17. Alex Eve

    Albertosaurus tooth placement

    Hello. I found this 7.5 cm Albertosaurus tooth in the Bleriot Ferry area of the Horseshoe Canyon Formation last month. Based on the wear mark on the end, whereabouts would the tooth be placed within the mouth? (top or bottom?). Is it possible to tell?
  18. 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.
  19. Jaimin013

    Tyrannosaurid indet.

    From the album: My Collection

    Tyrannosaurid indet. (Likely Daspletosaurus horneri or Gorgosaurus sp.) Two Medicine Formation Browning, Montana
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