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Found 15 results

  1. bockryan

    Scapanorhynchus texanus

    From the album: Fossil Collection: DC Area and Beyond

    Scapanorhynchus texanus Big Brook, NJ Mount Laurel, Navesink, and Red Bank Formations Late Cretaceous
  2. Few years ago I found this nice small 1" goblin shark tooth fossil (Scapanorhynchus texanus) in the sand, and it had a very little second outgrowth tooth, like on the second picture. But this little tooth had broke off and lost (look on the first picture). So, is it a problem and will it affect on this fossil's value, or is it OK?
  3. Mikrogeophagus

    Scapanorhynchus texanus

    From the album: Ozan Formation

    Scapanorhynchus texanus, Travis Co. Campanian, Cretaceous Mar, 2022 The vertical banding present just above the crown is a useful identifier for the genus.
  4. Mikrogeophagus

    Scapanorhynchus texanus

    From the album: Ozan Formation

    Scapanorhynchus texanus, Fannin Co. Campanian, Cretaceous Dec, 2021
  5. steviefossils

    2020 best finds

    I was fortunate enough to find many nice teeth during 2020. These are some of either my nicest, favorite, or somewhat uncommon finds from my searching at Big Brook, NJ. These finds are late cretaceous (~65 million years old). Sources for identification: http://www.njfossils.net/cover.html Fossil Shark Teeth of the world, by Cocke The first picture are 4 of my largest and most complete goblin teeth (Scapanorhynchus texanus), all found on the same day! I think it had rained overnight, though there was no rain in the forecast. I think this along with unseasonably high temperatures led to bit of erosion. Picture #2: Mackerel teeth Left to right, first is Cretolamna appendiculata (lata?) and the latter two: Archaeolamna kopingensis. Mackerel teeth are some of my favorite due to their shape and cusplet size. Picture #3: A branchial tooth from an early drum fish (Anomaeodus phasolus). More photos will be uploaded in a comment.
  6. ThePhysicist

    Can you find the shark tooth (1)

    From the album: Post Oak Creek

    Tooth of S. texanus. Collected 6/21/19.
  7. ThePhysicist

    Can you find the shark tooth? (6)

    From the album: Post Oak Creek

    S. texanus tooth. Collected 7/18/19.
  8. ThePhysicist

    Fiery Scapanorhynchus texanus

    From the album: Post Oak Creek

    The teeth found in POC can take on a reddish and/or orange color. This goblin shark tooth was quite colorful! Collected 6/21/19.
  9. ThePhysicist

    Can you find the shark tooth? (4)

    From the album: Post Oak Creek

    Tooth of S. texanus. Collected 6/21/19.
  10. ThePhysicist

    Can you find the shark tooth? (2)

    From the album: Post Oak Creek

    Tooth of S. texanus. Collected 6/21/19.
  11. ThePhysicist

    Scapanorhynchus texanus

    From the album: Sharks

    A nice S. texanus tooth. (extinct goblin shark)
  12. After the Hybodontids, our program starts to transition toward the modern sharks. We introduce lamniform sharks and the cow sharks. We will not be able to spend much time at all on the Cow and Crow Sharks. They only get a brief introduction and a look at the teeth. Squalicorax is an important species for us even though we do not spend a lot of time on it. The students in first few classes we do presentations for will be going home with Squalicorax teeth from Morocco. We would like to spend more time on the Cow sharks eventually but we only have one tooth to show them and we will have to edit content to free up space for them but I will work on that down the road. The primary focus in this section is Scapanorhynchus. The first shark art Carter did was a Goblin and we do give them a lot of time in the presentaton. They look cool and have been around for a long time. We present the kids with a nice assortment of teeth and some cool science. The teeth were important adaptations for catching fish and the snout had the ampullae of Lorenzini for sensing changes in the electro magnetic fields around them. We compare this to the modern hammerhead which we do not cover in the program but gives the kids a sense of how the adaptations of hammerheads work. We also talk about fin structure and being able to tell they were slow swimmers. The extend-o-matic jaw is another adaptation we cover with this species. I am happy with the fossil representations for now though I really want to add more Cow Shark fossils at some point and Anomotodon would also be a good addition. The fossils for the presentation.. Pic 1 Hexanchus andersoni from STH. I know H. andersoni should chronologically fit later but Cow Sharks fit here and this is the only one we have for now. Pic 2- Squalicorax pristodontus from Morocco. This is our largest Squalicorax tooth. The kids will get these teeth to take home so while we do not spend a lot of time on them, the teeth are very important to the program. Pic 3- Scapnorhynchus texanus and Scapanorhynchus puercoensis. Our nice little Goblin Shark display with some of our best teeth. Two of the texanus teeth are over 1.5 inches and the puercoenisis teeth are uncommon I believe and pretty super cool.
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