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  1. isurus90064

    Extraordinary Common Teeth

    Hey guys, I've been off the radar for awhile .. work you know .. been working on Siggraph for those of you who are familiar with software development. Just wanted to start a new topic here .. This one is right at 3.00" - 7.62cm C. carcharias Bahia Inglesa Formation South of Caldera Provincia Copiapo III Regio de Atacama Chile
  2. So - saw the newly resurrected Alopias Grandis thread, and looking through I found the Elasmo guide. Anyway - one of my threshers, that I had labeled A. latidens - doesn’t quite seem to fit latidens. So… is it latidens? Grandis? P. benedini? It’s got a much more curved crown, and a very slightly different root. It measures 18mm in slant height.@hemipristis @Al Dente So here it is on the bottom - my other threshers are on top and look quite different: And pics of just it:
  3. Hastalis

    Alopias exigua tooth?

    Hello, this is my very first find of thresher shark tooth over here in southern Slovakia (Lučenec region). Age: early Miocene/Eggenburgian (Central Paratethys). I have made some pictures from different angles to make the identification easier. It looks like Alopias exigua tooth to me., but since this is my first thresher shark I have some doubts... Have compared it to the extant Alopias superciliosus too (looks very similar), but this species appeared later in Middle Miocene, so I have exluded this option... If it is the Alopias exigua, I can add the first thresher
  4. ThePhysicist

    Alopias hermani

    From the album: Sharks

    Eocene Threshers from Kazakhstan - an early appearance of the genus.
  5. fossilsonwheels

    Some shark teeth in need of ID help

    I have a few shark teeth that require second opinions on the IDs. All are East Coast of the US. First up, a Pungo River micro. 4mm or so. This is a familiar tooth form to me as I’ve seen this exact tooth in STH micros. I had put teeth of this exact form in with Cetorhinus teeth because it’s so common in STH micro mix. I could be wrong about the ID on the STH teeth plus Pungo River is different as I believe Cetorhinus teeth are quite rare in that fauna. Both STH and PR have Cetorhinus and Alopias teeth. I believe there is a close familial relationship between those genera so I figu
  6. sixgill pete

    Alopias latidens

    Originally described from the Oligocene of Belgium (préliminaire sur des poissons nouveaux de l'Oligocène Belge, Leriche 1909) this tooth conforms well to the description. It is a rarely found tooth in Castle Hayne Deposits of North Carolina. Very similar to the Miocene A. vulpinas, I believe they cannot be the same with such a small sampling and a 25-million-year separation. Reference: Fossil Fish, Volume 3 of 4. North Carolina Fossil Club. Richard Chandler, 2015 pgs. 58, 59
  7. HoppeHunting

    Thrilling Threshers!

    The genus Alopias, commonly known as the Thresher Shark, has been around for millions of years. These sharks use their abnormally long, whip-like caudal fin to stun their prey. This fin can grow to become more than half the length of shark's entire body. It is a strange and fascinating creature, and has been one of my favorite sharks ever since I was a little boy. Today, we fossil hunters can find the fossilized teeth of Thresher Sharks. They are typically rather small, and relatively uncommon. They look really cool in my opinion, and they're among my favorite types of shark teeth that are on
  8. ThePhysicist

    Alopias latidens

    From the album: Sharks

  9. ThePhysicist

    Alopias supersciliousus

    From the album: Sharks

    Alopias supersciliousus "Bigeye thresher" Ashley Marl, SC, USA
  10. Hi all, I went out for a quick shark tooth hunt this evening in Charleston, SC and had some awesome luck! I found these two Alopias grandis teeth right next to each other! They measure at 1.575 inches and are much larger than the other ones I have found. I also found a small lower Great White with a fully in tact root for the first time which have been hard to come by in Charleston. Love the dark blue crown and light colored root on it. Of course my phone died after I took the in situ picture of the Great White so I couldn’t get any in situ pictures of the two Alopias g
  11. Bails

    Shark Tooth ID

    Hey all, I had a fun haul today in Charleston, SC (full haul in the first couple pictures). I was wondering if anyone could ID the first two teeth (pictures 3, 4, 5, 6) and let me know if they are A. grandis or a lateral Isurus tooth. Also, could anyone ID the mako tooth (picture 7)? Is it C. hastalis, I. desori/oxyrinchus, or I. retroflexus/paucus? Thanks in advance!
  12. Bails

    Shark Tooth ID Request

    Hey all, I found these three teeth on a shark tooth hunt last week and a shark tooth hunt today in Charleston, SC. Just wanted to make sure I have the ID correct on them. Is the first tooth Galeocerdo mayumbensis or is it Galeocerdo cuvier? Is the second tooth Alopias grandis? Is the third tooth Alopias grandis? Thanks in advance for the help.
  13. OK, these shouldnt be too hard. I have hunches, but not really strong on these types. First is from Belgrade mine, NC. Thinking alopias... These three are from Lee Creek. Not at all sure... Fairly certain these guys are alopias...
  14. PrehistoricWonders

    Alopias Palatasi?

    Hey, I saw this tooth and I’m considering asking if they’ll trade it to me... first I want to know, is it a palatasi, if it is I’ll ask, but before I ask I want to know. It was found in SC and looks to be about an inch. TIA! @digit @Harry Pristis @MarcoSr
  15. Hey all, I just found a great Alopias grandis tooth today In Charleston, SC that I thought I would share. I have found a couple partial ones, but never a full one with the root.
  16. Ludwigia

    Alopias exigua (Probst 1879)

    From the album: Pisces

    15mm. Lateral Burdigalian OMM Miocene Found near Billafingen, Germany
  17. Chase_E

    Alopias grandis

    From the album: Misc. Cenozoic Specimens

    Alopias grandis.
  18. WhodamanHD

    My Giant Alopiid Collection

    Hello Everyone, I’m rather fond of Giant Alopiids, and I have taken to collecting them. I find it strange that such a wonderful, yet mysterious creature remains relatively unknown and scantly studied. I may have space in my high school schedule for an independent study senior year, and I’ve considered using it to make a poster or paper on their morphology, taxonomy, phylogeny and such for The Rostrum or something. However, I’ve heard tell that there is already a comprehensive paper on giant alopiids in the works. We’ll see if there will be anything left for me to discuss. Anyw
  19. britishcanuk

    SC thresher tooth ID

    Hi, i have this thresher tooth that was found in the same area as some typical A. grandis teeth from South Carolina. I’m leaning towards grandis for this one based on size, bit it has a symmetrical shape that none of my other grandis teeth have. I am not familiar with grandis anterior teeth, perhaps it that? Thoughts and opinions appreciated. cheers!
  20. This was apparently published in September 2018, but it slipped past me and I’m posting it here in case it slipped past my fellow thresher lovers. The allusive serrated giant thresher has been named Alopias palatasi. Of course if you like Trigonotodus better, it is Trigonotodus palatasi. Now when I add one to my collection in the far far future, I can finally put a good label to it! Here is the description: https://www.researchgate.net/publication/327871783_Kent_Ward_2018_Alopias_palatasi
  21. Brett Breakin' Rocks

    Alopias sp. 01

    From the album: Sharks and their prey ....

    Alopias sp. (Thresher) Summerville, South Carolina

    © Matthew Brett Rutland

  22. Found this beauty last weekend and wanted to share it with you guys ^^ posterior Alopias Grandis (Antwerp, Belgium)
  23. Brett Breakin' Rocks

    The Fall Creek Crawl

    Hello everyone, since school has let go I've had an opportunity to get back in the water and do some quiet and relaxing hunting. The leaves are falling in the bucket fulls so that does tend to clog things up a bit at this time of year, but the weather has been warmer than usual and the spouse gods have been in my favor. I've had a time documenting some of the more interesting finds. I usually give the haul a good single flatbed scan to archive everything by date and then concentrate on anything interesting. Some color about, which means they haven't been sitting on the creek-b
  24. Brett Breakin' Rocks

    Summerville, South Carolina - Mako sp ?

    Hi There, I'm curious about this small tooth that popped up in my sifter from a creek bed in Summerville, SC. I've looked at references for Mako shark species (elasmo) to try and figure it out (retroflexus ?). It isn't the usual shape I'm used to, the root is not as robust as I'm accustomed to and the tooth in proportion to the root feels too squat. Does it just have an odd pathology or abnomality ? Or is just not an Isurus sp. at all. Thanks, Brett
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