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Showing results for tags 'crab'.
Found 255 results
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Like all of us I pick up a lot of maybes/I don’t knows. I took this one home for a better look. With the loupe I think I see something and crab is my best guess. The whole piece is 1.5 inches. I don’t want to believe this is geologic. Your help greatly appreciated.
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- big brook
- new jersey
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From the album Fossil Crabs
A very nice Pulalius vulgaris from the Eocene Lincoln Creek Formation in Washington- 1 comment
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- eocene
- crustacean
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Hello all! I recently found a new spot that turns out is Walnut Formation. Finding lots of nice stuff there...big Echinoids - Phymosomas, a Tetragrmma and some little Leptosalenia mexicanas. But I've found a few things that I can't ID. @erose - I relooked at the presentation on Albian crabs you did for the PSoA last month and thought this one was in there, but now I don't see it? I thought you had collected one like this.. Thanks for any help, y'all! This little Bivalve looks like a Plicatula but those are not found in the Walnut? (According to the Houston Gem and Mineral Society Bivalve Book) And this other bivalve - closest I can come up with is Lopha, but again, not listed in the Walnut
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I was recently reorganizing my fossil collection and thought I would share some pieces I collected during Paleontology field trips in undergrad at Alabama. I'm glad I took thorough notes at the time! The demopolis chalk is a popular formation for finding Exogyra/ostrea/pycnodonte shells and shark teeth. We visited a site in Tupelo, MS many times for surface collecting. Some of the cool pieces I found were many fragments of a mosasaur jaw (top pic, top 2 slots), a Squalicorax kaupi tooth, a scyliorhinus(?) tooth, bony fish vertebrae, and bony fish teeth. I was told the dark fossils at the right of the third picture might be ray plates, but I'm not sure. Turritella in pic 1 are from a different formation.
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- bangor limestone
- athens shale
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Location: Missouri Time period: Pennsylvanian Formation: Muncie creek shale Hello! I was hunting in one of my favorite spots and saw a very weird structure coming out of a Muncie Creek Shale nodule and what I think it could possibly be is a piece of crustacean exoskeleton! If I'm lucky that is! I am not exactly sure why I know its different but it does not look like crushed shells from other brachiopods in the area and looks to be layered horizontally. My personal theories: Weirdly preserved Brachiopod, Crustacean Exoskeleton, Natural formation that I have not seen in the area before or something else entirely. I would love to know any information and would love to use this as a learning experience! Size: 3.4cm Images in their natural sizes (Not compressed): https://imgur.com/a/8c3o4Jd
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A year and some ago I bought a Krantz W 224 airscribe to start doing some mechanical preparation and promised to do a prep thread once I got started. Prior to this type of prep I have done a lot of silicone casting (which I might make a separate thread for) and on softer matrix used a mix of dental picks/tooth brushes. I have had several different setups over the past year, and the past 2 months or so can be seen on the following picture After spending a tedious amount of time with the rough matrix removal I decided to add a Cp9361 airscribe, which has sped things up a lot.
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Well I started my next project tonight, and compared to the last one, this one is so much fun (so far ). The rock is softer and it also peels off the shell beautifully. Things are going to get a bit more complicated I can see already as there is a thick layer of powdery calcite around the edges. I originally thought it was shell and I’d stripped off the shell the whole time But I checked with the scope and it’s calcite. Some before pictures. The concretion is 24 cm (9.5 inches) wide. The claws were already exposed like this, I found it wedged in between 2 rocks facing me like this! The big claw exposed section is 8 cm (3 inches) long, so the big claw will be at least 16 cm (6 inches long)!
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- preparation
- new zealand
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Hi, Another newbie here requesting help with ID. Found in Big Brook. Thanks
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Hey, I was wondering what you guys thought of these crabs they’re listed on fb and I don’t really want them because they’re pricey but I want to warn people if they’re fake and to me they look carved! TIA!
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Discovery of a new Eocene crab, Matutites collinsi
Rustdee posted a topic in Partners in Paleontology - Member Contributions to Science
Hello all, I was fortunate enough to find a donation worthy specimen last May (2019) during a North Carolina Fossil Club trip to a local quarry. I picked this up while walking along a quarry road and immediately recognized it as being a crab carapace, but I did not know the significance until some members of the NCFC (including our own @sixgill pete) informed me that it was very likely a new species. They then introduced me to Trish Weaver, the collections manager of the NCFC, and I donated it to the museum. Fortunately, Trish and Alessandro Garassino let me contribute to the writing of the manuscript that describes the specimen and let me be a co-author. I am incredibly grateful to all of those people that made this discovery and subsequent publication possible. Common or Scientific Name: Matutites collinsi Geologic Formation or Geologic Age: Spring Garden Member of the Castle Hayne Formation (Middle Eocene Region the fossil was found: North Carolina, USA Museum or University that received the fossil: North Carolina Museum of Natural Sciences Link to Publication: https://www.schweizerbart.de/papers/njgpa/detail/296/93733/Matutites_collinsi_n_sp_Crustacea_Decapoda_Matutidae_from_the_Spring_Garden_Member_of_the_Castle_Hayne_Formation_in_North_Carolina_USA- 21 replies
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- eocene
- north carolina
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Hello all i keep finding these and hope they are crab claws or similar and hopefully not just something off a tree. I attached photos of four although I have a number more. At least I’m pretty sure you won’t say they’re concretions. Thank you in advance
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Hi i am new to fossil hunting i found a few finds in the illawara region around coalcliffe looks like maybe 2 crabs and aome petrified wood id love some info from more expirienced people thanks a bunch
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Hi i am new to fossil hunting i found a few finds in the illawara region around coalcliffe looks like maybe 2 crabs and aome petrified wood id love some info from more expirienced people thanks a bunch
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HI all! I found a new to me crab leg! At least I'm fairly sure it's a crab leg! But I have not seen one like this. It's from Canyon Lake area in the Lower Glen Rose formation. I've looked at some of the literature but am not seeing anything that looks similar. Any help would be appreciated!
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Hello, I d like to know if someone would trade unpreped crab nodules. I mostly have french trilobites to trade. Some echinoid also . Some albian minicrabs carapaces. I post those 2 first. Ill post more later . The roller is Colpocoryphe rouaulti, the other one is a small Ectillaenus giganteus. Regards
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This fossil was found on a Gold Coast beach in 2019. I'm thinking Pliocene as it's like most of my beach fossil finds. It's a curiosity as it has some crystals inside the carapace. Any thoughts on this? Thankyou!
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guess what I found another brachiopod fossil today in the creek
matthew textor posted a topic in Fossil Hunting Trips
Hi everyone this is matt again guess what today I found another nice brachiopod fossil in the creek this time it is a big one here is a photo -
Good afternoon folks. I have a crab (Zanthopsis dufouri) from Spain that I've been prepping/detailing and came across something in it's claw. I am wondering if anyone can tell me if it was the crab's last meal or something I should remove? The crab still has one eye and one antenna so I'm thinking it's possible it could have been eating when it was covered. Comments are appreciated.
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So I have been sorting, cleaning, high-grading and cataloging while stuck at home. I have been concentrating on material from the Walnut Formation of central Texas. The Walnut is the lowest formation of the Fredericksburg Group (Albian). Lower Cretaceous or if you're old school Comanchean. I have fossils from the west side of Austin all the way north to near Gatesville, TX. There are numerous members but the main ones I have collected from are the Bee Cave and Keys Valley Members. The Bee Cave mostly near Austin and the Keys Valley further north. This little crab was found in between near Georgetown, TX in the Keys Valley Marl Member almost seven years ago while collecting with JohnJ. This site produced another really cool new crab: Cenomanocarcinus cookseyi (Osso, et al., 2015) named for Bob Cooksey, one of our fellow FF members. Bob and JohnJ made sure that awesome specimen got into the right hands and was described. Kudos to both Bob and John! But I digress... I had found this specimen and it was mostly buried under matrix (oops no pre-prep pic) but enough was showing to tell me there was something worth while to be exposed. And at the time I thought it would prove to be another C. cookseyi. Well as I slowly picked away at it I realized it was something different. The specimen isn't perfect. The rostrum and orbits are gone as far as I can tell and there is some compression on the left side. But otherwise it is in pretty good shape. Please take a look and let me know if you might know what genera or species it is. The closest thing I have found is Aetocarcinus muricatus Schweitzzer et al., 2016, which is known from the Upper Glen Rose Formation (a tad older...) But there are a bunch of species shared between both formations.
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Guys, I’m not sure what to do with this or about this, other than just keep it. I have since collected quite a few of this same specimen, all high-detail, but none that capture the full body like this. What would YOU do?
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- thisbadboyisawesome
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So-this collected yesterday in the Kansas City area again, but not sure what "layer" as the road cut was a jumble of mixed rock. My first thought was sea urchin spine, but I see only one row of spines, similar to what you see on many crustaceans; even though it is half-buried I thought sea urchin spines had generalized "points"?.... thanks again for all your patience reviewing these! Bone
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I just finished prepping this fossil crab, a tumidocarcinus giganteus I found here in New Zealand. Still using the one air scribe while I save up for a microjack I tried my hand at prepping both side this time, man that ventral takes ages to do!
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I searched a new stream outside of the normal haunts and found some oddly packed matrix orange brown and granular in coloring, where I found some gastropods I posted last week. This time, I found scattered orange flat pieces that looked like crab arms and when I broke one chunk of matrix open, the flat piece was accompanied by this bottom portion of claw. Anyone have any idea what species this may be? Ghost shrimp? It wasn't in the usual NJ Cretaceous streams so I am not sure what formation it might have been in. @The Jersey Devil (Sorry for some images did the best I could with focus on such small stuff)
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Hello, Went fossil hunting in a famous Swiss Jurassic Location, the quarry of Liesberg. While cracking some rocks found what seems to be a crab claw. Can anyone help me identifying it? I was not aware such fossils could be found there, is it common or rather rare? Thank you! Cheers, Romain
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