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Found 6 results

  1. 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.
  2. After stuffing my face into tons of scientific articles on Late Cretaceous Lamniformes, I decided that I'd want to draw some sharks. Here's a drawing of the two infamous sharks of the Niobrara Formation Cretoxyrhina mantelli and Squalicorax falcatus as partners-in-crime. I've made the Cretoxyrhina ≈6-7 meters and the Squalicorax ≈2 meters. As 2 meters would be the same size as a very tall 6'6" human, you could imagine the Squalicorax as the tallest ordinary human and see how much bigger Cretoxyrhina is. I've always felt like Squalicorax would commonly accompany predators like Cretoxyrhina to "help" strip bare the latter's kill (Crow sharks are indeed inferred by scientists as opportunistic feeders or scavengers), almost as if Ginsus had them as little cronies. Also, the common name Crow Shark sounds somewhat similar to crony. Now what if we started a new nickname for Squalicorax as a crony? That would be hilarious and maybe realistic. EXTRAS
  3. Our trip to GMR

    So we finally made it out to GMR to do some hunting. We left Greensboro about 7 am and arrived around 9:15. We walked around for a little bit to scout some areas, and finally found a good starting point. It was slow at first, but we started making really good progress when I found a 2" goblin shark tooth. We continued on throughout most of the day finding tooth, after tooth, after tooth... We found several Meg fragments, some super nice great whites, mako's, 3 mosasaur teeth (the smaller round one might possibly be a crocodile but were not 100% sure), and quite a few belimnites. After we finished for the day we stopped by @powelli1's house so he could check out some of our finds. He's a great guy and has an absolutely amazing fossil collection. When I say he has 15,000 fossils in one room, I'm not exaggerating whatsoever... He helped confirm the ID's of some of our finds, and was kind enough to give us a tour of his collection in the process. After heading home we decided to photograph some of the nicer finds and count everything we brought back. All together we had 944 shark teeth, 3 mosasaur (except if that smaller round one is not a mosasaur tooth), 1 unidentified fish tooth, and 59 belimnites. Here's some photos of everything we found today.
  4. Crow Shark

    A nice example of a Campanian aged S. pristodontus. Though not as large or as nicely preserved as many of the Maastrichtian examples, a nice tooth.
  5. GMR last week

    Finally made it up to GMR last week. Was greeted by this as soon as I entered the stream/ditch. Once I got around this mess it was not too bad. Hunted pretty hard with not much to show for it. For me my favorite finds were the crow shark teeth, nice tiger shark and a dolphin tooth.
  6. My First 2 Pieces Arrived!

    My first 2 pieces arrived today and I could not be more pleased! The Crow Shark tooth was a free little surprise with my Megalodon.
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