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  1. I was just going through my unread on the forum when I found the show us your rarest shark tooth thread. As I was scrolling through this thread I noticed at least two different species of Parotodus, which I found strange, as I was only aware of Parotodus Benedini. So what are the other species of the genus Parotodus and how do you distinguish between them?
  2. I was just wanting to show off my biggest hemi in 2 years of amateur fossil hunting. Its a 1.7 inch hemi from a dredge system in georgia, its been cleaned up alot since the root was fully covered in matrix still slightly unstable however. Im pretty happy with the condition and colors I was wondering whats the biggest hemi ever found or biggest personal hemi anyone else has found.
  3. Michael1

    Georgia shark tooth ID

    I found this tooth a while back on a dredge system in georgia. I was wondering on its ID since im not too familiar with the area.
  4. Hello again, dear forum users. At this point in time, we began to study a point with a Cretaceous (we believe that this is Campanian based on the fauna of shark teeth and lithology) fauna. These are mainly shark teeth and fragments of cartilaginous fish. But there are also such mysteries. The main version is that this is either a fragment of coral or fragments of sea urchin needles. Particularly interesting is the strange formation on one of them, as if something had attached itself and was about to grow - a brachiopod? The third question is about the tooth of synechodus, is it a tooth of synechodus lerichei? I'm right? Best regards, Anton.
  5. Slow Walker

    Articulated shark spine?

    Found them lined up like this in Pierre shale sd. Never seen verts like this before but heard shark vert are flat like this. Any insight would be great!
  6. fossilfuel1988

    Chubutensis

    I've just found what Im sure is a petrified 9.5" chubutensis if I'm measuring correctly if anyone is interested in having a look please, I'm super inexperienced with shark teeth
  7. Fin Lover

    angustidens

    References: Cicimurri, D. J., & Knight, J. L. (2009). Late Oligocene sharks and rays from the Chandler Bridge Formation, Dorchester County, South Carolina, USA. Acta Palaeontologica Polonica, 54(4), 627-647. Gale, B., Gale, P., & Gale, A. (2020). A Beachcomber's Guide to Fossils. University of Georgia Press. Miller, A., Gibson, M., & Boessenecker, R. (2021). A megatoothed shark (Carcharocles angustidens) nursery in the Oligocene Charleston Embayment, South Carolina, USA. Palaeontologia Electronica, 24(2), 1-19.
  8. ebfossilhound

    ID for shark teeth from Purse state park

    Hi all, I have a ton of teeth gathered from Purse state park and I’m not sure how to ID. Can anyone please help with these few? Hoping to learn how to do it myself eventually
  9. Brevicolis

    Can someone identify this tooth ?

    Hello , I have this Basilosaurus tooth in my collection and found today something very interesting in the surrounding matrix : a tooth ! But from what ? I've prepped it a little bit to have a better Look at it . Can someone identify it maybe ?
  10. Michael1

    South carolina shark tooth

    I know its small but I found this tooth a while back and had forgotten about it so while looking through my trips smaller teeth I found 3 Carcharoides totuserratus which i didn’t know were rare until watching one of blackriverfossils videos. So I was wondering what kind of tooth this is and if anything rare? The last photo is the Carcharoides totuserratus I was talking about.
  11. Today I took a spur of the moment trip up to the Canyon Lake area for some hunting in the lower Glen Rose. My first venture into the region took place last year and was only a limited success in that I scored a measly two micro echinoids. The plan for today was to try some new spots in hopes of striking the perfect layer of echinoid diversity. The first site was a complete bust, but the second immediately showed promise when I noticed the ground was littered with broken bits of thin echinoid test. Because I had arrived so close after the recent rains, the ground was still a sticky slop of Glen Rose mud. The combination of running along the slopes and frequent crouching set my calves on fire, but the scent of urchins kept me on the chase. Very quickly I was lucky to encounter some really nice crab claws from Pagurus banderensis. A couple had both pincers still preserved. Surprisingly common was also the tiny crushing dentition of Pycnodont fish. They aren't all that interesting to look at, but the simple fact that vertebrate material was present gave me daydreams of finding an elusive Glen Rose shark tooth. I tried to shake away such a hopeless goal, but it continued to sit in my mind. After a couple hours, I found an Amiid fish tooth and some star-shaped Isocrinus annulatus columns. For whatever reason, I could not find a single echinoid spine, let alone a complete test. I was searching the ground very closely, so my thinking was it may be more to do with the site than myself. As I was doing the usual close inspection, I snuck up on a black figure nestled securely in a pile of Glen Rose matrix. It took a moment to register that I wasn't looking at just another chunk of black bug. I safely stashed the two pieces of Polyacrodus. Sadly, the third fragment was nowhere to be seen despite my best efforts. After finding some more crab claws it was time to head out. On the trek to the car, I spotted a Trigonia whitneyi? clam, maybe from the upper Glen Rose. I'm not sure what species this is. I see Polyacrodus aff. parvidens is described form the Texas Albian up north. Other than that, there doesn't seem to be much info. I've seen some discussion on Polyacrodus brevicostata being a possibility as well. Top L to R: Trigonia whitneyi? and Pagurus banderensis Bottom L to R: Amiid tooth, Pycnodont teeth, Isocrinus annulatus It seems my streak of urchin unluckiness has continued, but I'll take a Polyacrodus any day of the week!
  12. From the album: Miocene, Maryland and Virginia, USA

    Calvert formation Calvert co. Maryland.
  13. From the album: Virgilian Series

    aff. Agassizodus corrugatus, Jacksboro Finis Shale, Graham Fm Feb, 2023
  14. Mikrogeophagus

    "Deltodus" sp., Strawn Group Undivided

    From the album: Desmoinesian Series

    "Deltodus" sp., Central TX Strawn Group Undivided Sept, 2022 This was my first Pennsylvanian shark tooth.
  15. Tolmanbridge

    Unknown Moroccan Shark Tooth

    I just got a package today of fossils from Morocco. Most were just your common mosasaur and otodus teeth, etc. But this one just doesn't look right. Can someone please help me identify it? It looks like a rather wide Otodus tooth but has a prominent ridge running down the middle. It also has a very large root and the tooth sits on quite an angle from the root. Appreciate any help. It is 2 1/2 cm across at the root.
  16. Hi all, For a few months now, I occasionally go searching for shark/ray teeth in an old industrial area in Aruba. I found hundreds of smaller shark teeth (probably carcharhinus) and a handful of very cool & much larger teeth (likely otodus angustidens). This morning, I went walking the dogs there and stumbled upon a chunk of a much larger tooth! Could it be the megalodon? it could be a larger specimen of an O. Angustidens but the proportions are not quite the same… I'll let the experts judge for themselves. The (almost) complete O. Angustidens tooth in the middle is 2’1 inches (5,3 cm) long.
  17. Hi all, I have probably around 500 shark teeth from Purse in Maryland. I’d really like to try to ID and categorize them, but I can’t seem to find a comprehensive source and a lot of the internet sources don’t have very good pictures. Does anyone know of a good resource to use for this? A book would be great.
  18. joecool1000

    Shark vertebra? Tybee Island, GA

    Found walking the beach, Google lens says shark vertebra but the people at the science center didn't know.
  19. Length and width is about 1.5 cm Collected from midra shale member, middle eocene age
  20. Josh_irving

    C. Hatalis teeth?

    Found these teeth from Batesford Quarry which is late Oligocene to middle Miocene. I am confident that they are C. Hastalis but would appreciate a second opinion.
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