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Found 179 results

  1. Cretaceous crab pieces

    I believe these are parts from a crab I found in NJ, from what I see I think the large one is from the shoulder or bicep from a crab, is it possible to identify anything else about the animal?this side is fairly flat with the bottom edge protruding out.this side is round but in pretty bad condition.side view of the piece.
  2. Ok, this is actually yet another crab prep. I figure its a round rock so I named it the way I did cause so many folks think a round rock is a fossil dino egg. Anyways, I bought 27 crab concretions from a friend of mine just a short time ago and went through them today. I picked out this one just because of the size. Its a monster! Im used to the ones that are about the size of a baseball. This one is more like a soccer ball. Quite heavy too! I spent 2 hours on it already and have another 7 or 8 hours or so of removing rock. Quite boring, but I think I 'read' this one right and this way is better than 'WHACKING' it with a sledge hammer. Time will tell. If it turns out to be a dud it will be a huge waste of time but sometimes doing this is a gamble. Ive always said, "if you dont gamble, you dont win". These cost me $530. Believe me, Ive lost many many times. But with this crab prep thread you can go through all the ups and downs with me. Hopefully more ups than downs. Dont want anyone seeing me break down and cry. I cant prep like I used to and this is gunna take some time being soooooooooo much rock to remove, but once down to the crab, either the fun starts,,,,,, or the heartbreak starts? Gunna be interesting no matter what. So,,,,,, the count so far is: 2 hours I just looked at the first pic. Looks smaller than it actually is. this rock measures 6 inches across.
  3. Joeranina2.jpg

    From the album Cretaceous Vancouver Island

    Joeranina platys Haslam Formation (Upper Santonian - Lower Campanian) Saanich Peninsula, Vancouver Island, British Columbia
  4. crab 3.jpg

    From the album Cretaceous Vancouver Island

    ?Bicornisranina bocki? Haslam Formation (Upper Santonian - Lower Campanian) Saanich Peninsula, Vancouver Island, British Columbia
  5. crab comp 2.jpg

    From the album Cretaceous Vancouver Island

    Joeranina platys Haslam Formation (Upper Santonian - Lower Campanian) Saanich Peninsula, Vancouver Island, British Columbia
  6. Here is another 3D prepared Portunus monspeliensis that I'd like to trade. Size of the crab is around 9cm in a 13×13 nodule. I'm looking for: prepped/unprepped complete/incomplete crabs White River material English ammonites (Lyme Regis/ Charmouth and Somerset) USA trilobites USA dinosaur material Triassic ammonites Anything that you think is cool
  7. * I don’t want to trade, I’d like Just give him away * He’s pretty badly broken, but still really cool. one of you could save him? Anyone up for it?
  8. Hey everyone Weather and tides look good for Motunau and possibly Glen Afric this weekend. I'll be driving through from Ashburton, is anyone keen to join? I've never been to Motunau so this would be an exciting exploratory trip for me.
  9. I had a little bit of extra energy after getting orginizing and repacking and getting ready for my next upcoming trip and went through some of my rocks I just brought back from my last trip to Washington. When the guy showed me this rock, I knew instantly where it had come from and bought it immediatly!!! Sorry for my spelling. This crab concretion is an easy read and has a 99% chance of being a really nice crab. It should have some amazing color and should not be 'sticky' at all. As for completeness, only time will tell, but most of the crabs from this site, (all closed off now), are usually almost complete? This is a winter project and winter is just around the corner. This will be a very exciting rock for me! Oh, this rock is also the largest ive ever seen from this site too!!! Measures in at a wopping 6 inches! But no, not a dino egg. RB
  10. partial crab or?

    partial crab or ? it is a dark blue color..the coin is a quarter. mmmm look at the rich creamy center...lol...well looks that way anyway.
  11. My husband went to our special place with out me!!! I don’t know any more about the bone in the comments, than this picture, he just text me these pictures and can’t talk right now because he’s driving. I’ll find out later I guess, it’s still cool. Anyone know what lived there that it may belong to??
  12. I'm looking for as many as possible urchin spines all sizes to reconstruct an urchin. I would also like matrix to mount it on preferable from the same area as the spines. I can trade fossils from Washington a prepared crab or unprepared either of your choosing.
  13. Hi All, I am a rookie fossil hunter here in New Zealand looking and one of my goals is to find a crab. I always seem to come back with bits of bone but never a crab. I think the problem for me is identifying a round rock, amongst all the other round rocks on the beach that may hold a crab. I could go down to my local rock shop and buy a crab. However you can't buy the experience of actually finding one. I am hoping some of the more experienced can offer some tips and tricks for identifying possible fossil bearing concretions. When I go out hunting the things I look for are: • Round or Kidney shaped rocks. • Sandstone with no signs of metamorphosis. • Signs of legs sticking out. My questions are: • Are crabs more likely found in hard or soft sand stone or both? • Is there a particular colour matrix I should look for? • Are crabs often found with other fossils such as shells? Or a crabs generally covered in off shore sediments away from shells?
  14. Surface find concretion - crab leg cross section?

    I was wandering around a creek in the Lincoln Creek Formation yesterday, when I found a small concretion. After I got home, I noticed what looks like a cross section of a crab leg, possibly a merus from the claw arm? I won't be able to start prep on this for a day or so. I'll update you, when I get into it. 5mm x 7mm. Not super big.
  15. Here is a double (almost) concrection of Portunus monspelliensis (old name: Neptunus granulatus) from the Miocene of Bosa. The left claw is crushed as you can see, don't know if because of a predation. Tips of the pinchers are restored. Sorry for the bad quality pictures, if required I will try to make better. Anyway I'm mostly looking for other prepped/unprepped crabs, but any cool fossil could interest me. If you have any crab for trade but you aren't interested in that just let me know, we could find an agree in other ways. Thanks
  16. Fossils for trade

    Different fossils available for exchange. I'm looking in return for any kind of fossil that I do not already have in my collection.
  17. First crab prep!

    Well, I started my first Lincoln Creek Formation concretion prep. I'm hoping for a crab. I purchased a used CP 9361. I took it apart and checked the o rings and cleaned up the extra oil from the previous owner. It's missing the lock ring, but other than that it seems to work fine. I've been reading this forum as much as possible, and these are the other things I'll be getting or making: 1. I'll be calling Paleo Tools and ordering a new front end with a 2" chisel, as well as getting a Microjack 6 with a 2" point. 2. I have eye protection, but will be getting new ear muffs and dust mask. 3. And I'll make a frame to support and hold the concretion, while working on it. Any suggestions for additional items I might need or want? After removing my first 1/1000th of an inch of matrix, I can't wait for my next 15 minute work session!
  18. Y’all look!! Another crab concreation!! Yeah what a fun hobby!!!
  19. Bad Rock Crab

    A few months ago a friend of mine offered me this crab concretion for $30. That was for postage too. I knew this could be a fairly large crab, (a rather large conc), even knowing that the claws were a bit damaged I decided to buy it and see what happens? A concretions is almost always a gamble. As it sometimes happens, what he and I both thought was 'dorsal' turned out to be ventral. Dang!! Took me hours to find that out but turned it over and started again. This is a first for me, but im gunna prep out some of the ventral and all of the dorsal, with a bit of pincer repair. Lots of the front of the concretion is missing with some pincer damage, which I absolutely hate, (the reason I got it for $30), so this is gunna be another b-grade crab, but it should be a purty nice b-grade crab? Time will tell. RB
  20. Hey there! I'm back again, and again I'm on another continent I moved to New Zealand at the beginning of the year, and in between the incredible fishing and birding I forced myself to head out to Glen Afric (2 hour drive) for a stab at some crabs. The day started out with a couple belemnites, quite long and skinny. The concretions were various shades of khaki to black, some of them still more clay than rock. There were various shells encrusted in them. I kept my eyes peeled for a 'crab' shaped concretion, however this was easier said than done. After a full lap (about 400m) I was nearly back where I started when I picked up a rock, turned it over and holy moly it had legs! Please tell me they're crab legs and not belemnites trolling me haha!! If it's a crab, would an air scribe be safe in the hands of an amateur? Anyway I had to go, but I'll be back!
  21. My new little buddy needs some glueing it looks like. Can anyone tell what to use?
  22. Crab fossil maybe?

    Hello! My brother and I have gone to Big Brook in NJ a couple a times, and stumbled on this. My brother is convinced it is a crab, while I am still on the fence about it. I've done some searching online and never found any records of a whole crab shell, so it'll be nice to get some identification. Thanks!
  23. started prep on another crab nodule hope there's a big one in there fingers crossed
  24. A half of a crab...

    From the album Dretsend's findings

    One half of a crab, found by chance when I hit a rock picked from a brick factory debris...that day the truck driver led me to the quarry where I found most of the things I'll post.
  25. Crabby Concretion, Product of Texas

    I felt industrious a couple weeks ago and cleaned up the fossil barn, flushing a couple unprepped Maastrichtian Dakoticancer concretions out of hiding. I guess I went on a harvesting spree as houses dropped on the old site. Anyway, prep started with little exposed, and except for a chunk missing out of its butt, this isn’t a bad crab, esp ventrally. I didn’t take pics at the beginning, so this photo sequence starts somewhere in the middle. It’ll keep.