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  1. Bob Saunders

    Mako shark teeth

    Tailgate show finds. as tagged. Species Carcharodon hastalis (Isurus) hastalis Extinct Mako Shark Miocene-Pliocene (~2.6 to 15 million years) Hawthorne Formation Beaufort County, South Carolina my added if correct. I would like more information such as upper or lower and which side is showing. Is this an extinct great white shark and type? large 1 3/8th in. long small 1 1/16th inch This is a 1 3/8th inch long, nicely colored tooth of Isurus hastalis, an extinct giant mako shark.
  2. fossil_lover_2277

    Aurora Dig Pit Fossils

    Soooo a few days ago new material was dumped at the Aurora Fossil Museum. Well, I made the trip there before the Saturday crowds, and was well rewarded!!! These were the best finds of the day =p btw the stuff underneath the shark verts are 2 stingray spines, a filefish vert, a burrfish bone, a beat up dolphin jaw bone, and what I think is some type of fish skull cap
  3. steviefossils

    Calvert Cliffs trip 1

    Took my first trip out to Calvert cliffs state park this weekend. Got there as early as I could, which started me at high tide. Beach loaded up with people throughout the day. And from what I saw, nobody else found any teeth. So I consider myself lucky with the hastalis I found. The roots were just barely showing, I think a wave may have just uncovered them. It was a long day round trip from NY but worth it. Also found some scallops.
  4. Wanted to share my finds from a quick shark teeth hunting trip in Florida. Found a very nice Mako, definitely the coolest tooth I've found yet.
  5. Fossil_Adult

    Calvert cliffs

    Recent trip to Calvert cliffs, finally was able to get a boat out on the water after years of planning. Did pretty well, I’m hoping the haul is a little bigger next time because it’s a lot of paddling. Here’s the haul. This is a large whale vertebra I found. All the shark teeth I found at Calvert. The large mako was in a fall and I was hoping it was whole but alas, the time was broke. Oh well. Still a not bad day.
  6. My 11 year old found this on Naples Beach in Florida, and are trying to identify the type and approximate age. I can’t seem to find anything definitive- I’m guessing an extinct white shark, but would love some expert eyes. Thank you- this is more exciting than the masks, medical waste and needles floating to shore on our NJ beaches currently.
  7. Hello, I just found this shark tooth in my collection. Unfortunately I don't know anything about fossil shark teeth, so I wanted to ask you for help. The tooth measures about 38mm on the longest side, but I don't know where the tooth was found. At the first look, it looks like a Mako shark tooth to me, but what species? I only know the modern ones... Maybe you can help me. Thank you in advance and best regards from Germany
  8. ThePhysicist

    Macrorhizodus praecursor

    From the album: Sharks

    Macrorhizodus praecursor Extinct Mako shark Samlat Fm., Ad-Dakhla, Western Sahara This is one of the last common ancestors to the lineages that spawned the modern Great White and Mako.
  9. Rowboater

    rapp beach hunts

    Too hot to get out much and lots of competition on the beach (or at least footprints). More beach glass than teeth lately. Here's from several trips: Drum and angel (side one): drum and angel, side 2: Shrimp coprolite burrows (evidently those looking for teeth ignore these): Some teeth (rootless mako and sand tiger symphyseal), skate spikes, broken vert:
  10. 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!
  11. Cabin fever made me stupidly ignore the weatherman (another institution I no longer trust) and head out into the 100% chance of rain and cold. Tried to avoid getting wet, as it WAS cold. Tried a very old spot, and was surprised at the results (the beach where I normally hunt has lost all its sand (?) and I've found no teeth their my last three trips). No rain, Birds were uproariously singing, Spring on the way! The creek was high and icy, saw no aquatic life. Anyway, found a bunch, showing the most interesting. Although big makos are nice (and I like the piebald one better though the 2" black one is nice!), I'm always excited by the little ones (which is a good thing, since mostly what i find)-- four angel shark, a couple broken cowshark and symphyseal/ parasymphyseal sand tiger tooth, and lots of drum teeth (turned one on the side as it apparently still has the attachment as well as the glossy "cap"):
  12. Rexofspades

    Fossil ID Matoaka trip 2

    Hi Again! for Easter this year I decided to go to the Calvert cliffs for some Easter egg fossil hunting. it was a lovely day out got to talk with some nice folks. I wanted to share some of my finds and my IDs of them to check if I got them right before I put labels on them in my collection. 1) Stingray teeth, most likely eagle ray, although the grayish one looks to me like a duck billed ray. 2) Mako Shark Isurus hastalis upper 3) Hemipristis Serra upper 4) Extinct tiger shark Physogaleus contortus 5) Extinct tiger shark Galeocerdo (I think the one below is a lower) 6) Crab claws ( is there any resources on specific crabs, some of these don't look like they belong to the same species) 7) Turritella plebia 8) Scallop shell (Chesapectean?) 9) Fish jawbone fragment (looks like sockets on the top) 10) Bone shard (there seems to be two divets below)
  13. BellamyBlake

    Cosmopolitodus hastalis - Bite mark?

    I have a 2.96" Cosmopolitodus hastalis from Beaufort County, South Carolina. It has a cut across the root. It looks similar to bite marks I've seen, however those have been on parts of the tooth that make sense like the blade. Is this a bite mark? If so, how would it get on the root? Best, Bellamy
  14. BellamyBlake

    Bone Valley Makos

    Hi, I have 3 teeth here from Bone Valley, Florida. They appear to be Mako, but I'm not sure if they're Hastalis. Size range is 1" - 2". Could anyone confirm for me? Thank you, Bellamy
  15. RAlves

    Dagger-like teeth

    My 7 year son spotted this gem the other day. Such a beauty isn't it?
  16. Hey all - I had a great week of shark tooth hunting in Charleston, SC and wanted to share my top favorites from each day Tuesday - Friday. Got to appreciate when it goes right!!
  17. Praefectus

    Aurora Shark Tooth ID Help

    Hello. I found this tooth about a year and a half ago in the spoil piles outside the Aurora Fossil Museum. I was wondering if anyone could help me identify it? I think it might be a mako tooth (Isurus oxyrinchus?). Also, does anyone know why one side of the root is much smaller than the other? Is that damage? Or maybe due to jaw position? Thanks for your help.
  18. JLittlejohn

    Shark Tooth ID - Florida

    Please help ID any of these sharks teeth that were collected from the west coast of Florida (near Venice) this past weekend. Based on my research, the top two rows look like Sand Tiger and the bottom two look like Lemon. Would this be correct or are there any that look out of sorts?
  19. JLittlejohn

    Shark Tooth ID - Florida (Part 2)

    Please help me ID these shark teeth that were found on the west coast of Florida (near Venice) over the past weekend. My belief is that the top row could be Great White and/or Megalodon (very nice serration on the largest/first one), the second row is either Bull or Dusky, and the third row is Hemipristis (Snaggletooth). As for the fourth row... the jury is still out. I am most intrigued by the third/tiny one (from left to right). It looks different from anything else I have ever found. Very compact, lots of detail, and oddly shaped. Any ideas???
  20. I have here an alleged Carcharodon hastalis from Chile. It is 1.85" long and 1.12" wide. After receiving the tooth, it looked a lot more like Isurus planus to me. The other party insists it's Carcharodon hastalis. At the very least, they insist it comes from Chile. To the best of my knowledge, Isurus planus isn't found in Chile. I've never heard of it anyway. Two questions, then. Is this Hastalis or Planus? And if it is Planus, might it be Chilean? Thank you, Bellamy
  21. Bob-ay

    Calvert County Trip

    Took a trip down to Calvert County this past weekend and did some searching around the Matoaka Cabins and just outside of Flag Ponds Park. Think I did pretty well for a two day search!
  22. My daughter had off from "school" Wednesday, so we took advantage of the opportunity and perfect weather to hit the cliffs for a few hours. After several days of rough water and winds, the Bay was calm with a favorable tide and pretty empty of boat traffic as you'd expect on a weekday. Arriving around 11:00 a.m., still a few hours before low tide, we thought we had the place to ourselves. But we soon came across the fresh boot prints of another collector who had already been through looking for the low-hanging fruit at the high tide line. A little disappointed, but undeterred, we went about our searching business knowing we would just have to work a little bit harder. The receding tide was dropping off some decent hemis, here and there, with the occasional tiger thrown in, but nothing huge. Rolling over clay chunks finally paid off, though, with a beautiful mako (or c. hastalis?) which was pristine and looked like it just came out of the cliffs. As we continued on, we picked away here and there in the wash zone, but found nothing else remarkable. Kind of at the end of the beach, I told my daughter we needed to wade over to one last little area that is usually hard to get to, but where I've found a few great teeth before...
  23. bthemoose

    What kinds of makos are these?

    The three shark teeth below are all from the Calvert Cliffs (Miocene) in Maryland. I have the two on the left (A. and B.) tentatively identified as Isurus desori, but I'm still learning my mako IDs, including the differences between true makos and Carcharodon hastalis. Hopefully these are identifiable despite their root conditions. I don't know if the tooth on the right (C.) is identifiable or not. Thanks in advance for any help!
  24. Where do i go to find the grey clay layer and big teeth. Dont want anything small
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