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  1. ThePhysicist

    Otodus symphyseal

    From the album: Sharks

    A rare symphyseal from Otodus obliquus. ~ 2.5 cm max. slant height.
  2. ThePhysicist

    Hubbell Megalodon

    From the album: Sharks

    Hubbell (juvenile) megalodon, likely from the East Coast. I don't understand the hype surrounding megalodon, but this one was cool enough for the collection. It has good preservation, and the tip is spalled-off from feeding.
  3. Jerrychang

    Big Otodus obliquus teeth

    Got a cheap Otodus obliquus teeth with matrix. It’s quite big (7.5cm).
  4. This new site I’m going to is kind of starting to grow on me! I really love the abundance of well preserved shells and the sharks teeth that come out of here (if I don’t break them) are in superb condition. I arrive at this site, however, with some disappointment. Footprints everywhere, and discarded rocks piled in a pile i know I didn’t leave with a bunch of broken shells. It looks like someone took the liberty of smashing rocks with a hammer and leaving the place a mess for others. Not a good look to be honest I always try to clean my area and make it look better than where I left it. The go
  5. Hi, I just saw these articles, and I wanted to make sure they are real. The vertebrae of Onchosaurus seem correct, but I am concerned about Otodus' teeth, and that of Mosasaur. Mosasaur 2.2 ctms.(Just the tooth ). and Otodus 5 ctms.
  6. Hey all I came across these 3 shark teeth today and I believe they're all in the Odontidae family. Even though they all have cusplets, the size of these teeth rule out juvenile O. megalodon teeth so they must belong to a shark earlier than O. megalodon and the question I have is, what species? I can have a couple of guesses after looking at a lot of different photos of O. angustidens, O. chubutensis, O. auriculatus (I'm doubting it's O. sokolovi) teeth though google, through dealers etc but I'm also a little confused because some I'd think are one species and they're labeled as anot
  7. Hey all Shark teeth confuse me.... it seems the more I know, the less I know! The small rock and fossil shops I visit (when I can get near them - no shops near home) often sell shark teeth labeled Otodus (O. obliquus, these shops usually just give the Family name - Mosasaur, Spinosaur, Otodus etc). This is the only shark tooth I've been commonly exposed to "in the flesh". I've done a bit of digging on the net and now I'm not sure all teeth I have seen (and purchased) are Otodus - which is fine with me, I just like to be accurate. I have one which I was told is Cretalamna, it def
  8. Hey all... I thought I'd put up some pics of my fossil collection - well, the sharp end of it. I have a few other fossils (fish, ammonite etc) but for now, I'll put up my fossil teeth. I started collecting fossils almost by accident a few years ago, I was in a small rock and mineral shop, in a small town 2 hours from home, this shop had a small selection of fossils too and the Otodus teeth they had in stock grabbed my attention, I bought one and my collection has been growing ever since. The Otodus obliquus teeth below were my first and second fossil purchase
  9. RickCalif

    Otodus obliquus

    From the album: Morroco Fossils

    Otodus obliquus is an ancient predecessor to the megalodon shark. Otodus obliquus lived from the Paleocene to the Eocene time period, roughly 40 to 60 million years ago. Real Otodus teeth in a mix that is à try to look like in the field matrix
  10. Ludwigia

    Megatooth Sharks

    From the album: Sketches

    The meg is from the Miocene in Wrightsville, N.Carolina. The angustidens from the Oligocene in S.Carolina. The obliquus from the Eocene in Qued Zem, Khouribga, Morocco.
  11. It's been a long while since I've had the opportunity to go hunting - indeed, trips have been far and few between. But the few I have had have been lucrative. There's been quite a bit of new material, ending up with some new finds (for me, at least.) One of these was a complete ray mouth plate. A couple Otodus jumped into my hands as well, including this perfect one, about an inch. The wildlife was out in full, including a dog that must have been born into the hobby Thanks, FA
  12. giannisergente

    Shark Tooth ID (Otodus Appendiculatus?)

    Hi everyone. This is my first post (the second one actually, after greetings:). I was wondering the correct identification for these two shark tooth. They come from Balegem (Oosterzele, Belgium), I don't have any other information about the period. I bought them on a market oline as "lamna appendiculata" (it should be a synonim for "Otodus Appendiculatus" (Agassiz, 1843) (??)). Size: 2/2.5cm. I'd appreciate a lot your opinions about that. Thanks in advance. gian.
  13. Bought this otodus. But i know there are restorations on the roots but i wonder if its fake pieces or not? The shop owners are very nice and Most of the time in expos they have the best stuff to Buy. I just wanted to know if it was a real one
  14. Taxonomic debate over extinct lamniformes remains a big thing, but I've noticed that it seems like there hasn't been any studies that use modern phylogenetic techniques (i.e. maximum parsimony) to resolve issues with extinct taxa (i.e. Carcharodon, Isurus, Macrorhizodus, Otodus). Is there a reason for this absence, or perhaps I simply have not come across one that already exists? I suppose it's possible that dental characteristics alone as character codes for a phylogenetic matrix may not be viable...
  15. While this tooth is obviously damaged, the cusplet sticks out to me. It is a decent sized tooth around 3 and 3/8" (84MM) long. Serrations are evident, although have been eroded. This tooth came from the James River, South Carolina. I cannot decide whether it looks more like auriculatus, chubutensis, augustidens, or megalodon. Carcharocles/Otodus... take your pick. I'd appreciate any input - thank you.
  16. HemiHunter

    Purse 2/25 - So-so finds

    Managed to get out last week to Purse to collect the low tide. After talking to a couple of nice game wardens at the lot, I headed down to the river. Turns out I had the place to myself. Conditions were very good and the sun came out after a week of nasty winter weather. My hopes were high! Well, being in no particular hurry, I was able to look at every square inch of beach and every slump pile. But I didn't find a lot, and nothing I found was spectacular. I did collect a few pretty teeth and some bits of bone, but nothing big. Just one of those days. I did share some teeth with a lady and he
  17. It’s around 1 cm in length
  18. Free Access pdf link: https://www.tandfonline.com/doi/pdf/10.1080/08912963.2020.1861608?needAccess=true Shimada, K., Bonnan, M. F., Becker, M. A., Griffiths, M. L. (2021). Ontogenetic growth pattern of the extinct megatooth shark Otodus megalodon—implications for its reproductive biology, development, and life expectancy. Historical Biology. Abstract: The extinct megatooth shark, Otodus megalodon (Lamniformes: Otodontidae), is known primarily from its gigantic teeth in the late Neogene marine fossil record. It is known to reach at least 14.1‒15.3 m in length, but its r
  19. Praefectus

    Otodus sokolovi

    L1: 7.6 cm L2: 6.2 cm W: 6.0 cm
  20. Merry Christmas to everybody! I am just catching up posting some cool finds from a few short trips I've made recently in Maryland--going back through time--Miocene, Eocene, Paleocene. (In the interest of time, I'm only posting the highlights, not everything I found, and not all of what my kids found.) Miocene-- After some heavy rains I snuck out early on a Friday for a quick solo trip to the Calvert Cliffs. Conditions were actually not great, as the water was still a little muddy and the waves were pretty rough due to blustery winds. After a couple of hours I was not finding much
  21. Got to Douglas Point early today and was the first on the beach. Came across a heartbreaking large Otodus root that gave me some hope, soon after I find a large whole one! After a bit more surface collecting I ended up with a few nice sand tigers (one of my largest), three whole Otodus Obliquus and the heartbreaking root, and the icing on the cake two beautiful croc teeth!
  22. I have seen several names for megalodon all with a different genus, which is correct? Edit: Another question, is cretalamna appendiculata the ancestor of otodus obliquis? Is there anything in between those if they are related? Do we know megalodon ancestry past C. appendiculata if it is directly related to O. Obliquis?
  23. Andy123

    Shark tooth id :)

    Hi guys just after an Id on this tooth, has no serrations thanks was purchased from a museum.
  24. DatFossilBoy

    Bite marks of vertebra?

    Hey guys, Saw this Moroccan Otodus vertebra that appears to have some marks across it. Not sure if it’s bite marks or scratch damage. Can anyone tell? Regards
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