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Found 138 results

  1. Marine Cretaceous fossil help ID

    Hello everyone! I found this fossil in Valencia, Spain. It's from the lower cretaceous but I cant be more accurate. I dont know what it is but I assume it's some kind of bivalve or gastropod but cant find the specie. I recorded a video and uploaded on youtube, hope u can see it well, if not let me know and I will try to show you better. Any help is appreciated, thanks.
  2. Possible permian insect wing?

    G'day, I was recently splitting some leftovers from the Belmont insect beds (Permian) from NSW, Australia and I found what appears to be an insect wing. Its preserved differently than the Glossopteris in the formation with a shiny surface (not visible in photos). But I thought it could also be half of a glossopteris leaf. So, any ideas? (I am referring to the dark shape just above the ruler)
  3. Hello everyone, I'm from Belgium and currently tasked with securing a secondary fossil collection owned by the grandfather of my husband. We are emptying an attic, and securing quite a number of fossils. Many of them already have an ID, some of them however lack one. Apologies in advance for the poor quality of pictures, there is little to no light/electricity inside the rooms we need to vacate, so picture quality will be appalling at first. I am aiming for a basic ID here, if possible I might be able to provide more detailed pictures once the fossils have been properly packed and moved. #1 : Could this be a dinosaur egg? #2: vertebrae of different sizes + plate of petrified wood in the background. Looking for possible ID on these vertebrae. #3: Petrified wood, which type? #4 : Small crustacean? #5: Fossilized shell from morocco? #6: Partial fossilized jaw? #7: Belemnoidea, the two in the front? (they seem to be very large).
  4. Is this a coprolite?

    Hello all, Thanks for letting me post my inquiry. I was wondering if any of you could give your input on a large "rock" that I found in my yard. I live in Menlo Park, California which is about a mile north of Stanford University in the San Francisco Bay Area. Please excuse my ignorance when it comes to the fossil world. I have zero knowledge in this area, but i must say that after only a few days of investigating websites and forums I find it quite fascinating. And also a massive black hole lol.. I have spent all of my free time looking into the topic the past couple days. so many hours!! (not complaining, its been awesome!) Anyways I will attach pictures below. The only reason I think it is a coprolite is because of the many other "rocks" that I have also found on the property, about 20 or so, that fit many pictures I have seen on the internet. But this one doesn't really look like any of the others and is quite large, at least double the size of the others. At first glance I thought it to be chunk of a wood round, as i have found petrified wood on the property, at least what I believe to be petrified wood. When I picked it up I noticed that it was very heavy, probably 30+ pounds, so definitely not fresh wood as this is way to dense to be so. Gave it a knock and its rock hard. On most of the outside there are small flakes of something shiny, some metallicy and some more clear, some faintly yellow/green.. I dont know if its crystal or something else but they seem to be thin pieces of something, some layered on top of each other. What struck me at first was the green that was viewable in some spots. This is the reason I picked it up in the first place to investigate further. The one green spot is mostly white now actually. After I noticed the green I had a piece of sand paper handy and I gave a quick rub on the white part to see if more green was under it and there was. However a day later the green has gone back to white. Not sure if thats from oxygen exposure or possibly the abrasiveness of the sandpaper causing scratches which turned white with time. The outraged just looks really really old is the best way I can sum it up. There was a small section that was slightly sticks out and cracked a bit so I knew it would come of easy. Gave it a wack with a chisel and it popped off. I will attach pictures of that as well. I have scraped at a couple sections, trying to see what was inside, and it seems to be green and brown in most. Parts have a serpentine look to them, which was my second guess after wood. But the rock just seemed to be to "living" if that makes sense. There are vertical and horizontal cracks throughout some with some sort of white lining in them. I really want to crack it open as I think it might be quite beautiful, based on the weight and density. Anyways I could go on but I will just post some photos and hopefully you can help me out a bit, because at the end of the day I really have no clue and don't pretend to. Also, another question I have.. Is it possible to have undigested chances of reptiles/fish/eggs inside a coprolite? not this one, but many of the other pieces I have found seem to have pretty clear inclusions of things like turtles and other things. I could be crazy also, but some of the inclusions seem to have something like skin still on them, which after research i noticed could be just lichen, but its strange that the lichen would just be on the inclusion and be a believable color as well. There also appear to be many many bite marks or teeth marks on them. My understanding is that my part of California would have been under water, and wouldn't be possible for dinosaurs to leave the coprolite. And based off the inclusions in the other rocks, it would seem to be a water beast anyways, or possible a large bird, ore maybe just something that lived by water. but not sure because like I said my area was below the sea back then. It just seems so large for it to be from a sea creature and I would have thought if something pooped in the ocean. would not most of it disperse and break apart in the water before it sunk and was covered up? Again, i have no clue haha Let me know if you want to see some of the inlusion pieces or more1 photos of this one. Photo #4 shows what i thought to be skin on this one, but other pieces are more clear. But again I have no idea Thanks for your time and I hope that a least one of you can help me out a bit! Have a great day!
  5. Few finds at big brook nj today

    Hey Guys needed a little help with few things I found today. I'm assuming shark or fish vert in the one pic. I'm most interested in the small...... im guessing bone not sure if its an older rodent bone or what. Funny I found a deer tooth today while sifting kinda freaked me out looked like a human tooth white. Thanks
  6. Brachiopod?

    thought id try another one since you guys helped so much on the last one, I found this in a draw on the bluffs id call it mudstone but the fossil stuck out, ive been told its just a brachiopod but I'm not sold just yet, what do you guys think?
  7. Hi there, I'm new to the fossil forum, and was hoping I could get help in identifying this jaw. It was found in Marmarth, North Dakota in the Hell Creek Formation. I don't have any more specifics on location besides that. I hope the pictures are detailed enough, but if not, I can post more. I am thinking it has to be some kind of fish, but I am not completely sure. Any direction or help would be wonderful! Thank you so much!
  8. Hello again! Finally took some pictures of the rocks I was referring to in previous posts. These are the reason I asked for help ID previous rocks. I never new what coprolite was until I tried to find a reason why these rocks look the way they do. In person, they look like they contain chunks of turtle/lizard/fish/eggs/shellfish/etc type stuff, I believe what is referred to as inclusions. But it could just be some funky conglomerate. Either way I’m hoping someone can explain why they look the way they do! There’s about 20 or so of these on my property, just grabbed some and snapped some photos. I wish I had better lighting/camera so detail could be seen. Thanks for your time in advance! And if you have any thoughts please let me know! Property is located in residential Menlo Park, California (between San Francisco and San Jose), very close to the San Francisquito Creek. some were just laying on top of the ground, others were below and found when doing some yard work digging. Easier to to see the individual parts when rocks are wet as the colors pop, as supposed to blending in as a slightly reddish brown mud. Some seem to have a “skin” if you will around them, like a layer that can be rubbed off, allthough i have noticed once i rub it off the inclusions, a couple days later the colors seem to have faded. Also many of The inclusions that stick out of the rock give the appearance that they have been scratched off or bitten off, possibly just from hitting other rocks as well. The black inclusions are the easiest to see in the photos, however they are only a small fraction of the reptilian/crustacean/fish/ i dont know shapes that you can see
  9. Crystal agate fossil?

    I found this today on the beach under a clay cliff, it is known for agate And chalcedony to be found on this beach, what would I call this, it looks like some sort of a bone maybe?
  10. Possible coprolite? #2

    Hey guys, thanks for all the responses and info in my first post! Here is another. Located in Menlo Park, Ca. Found in yard, have been doing yard work , digging holes, weeding, etc. This was originally covered in thick, what i thought to be brown mud. I havnt removed this layer completely, you can still see a bit of it as i left some on. Its the poo brown color mud still on parts of it, the second picture shows the most of it. (best description of color I have, sorry) The one side looked like a face actually and its the only reason I decided to pick it up. After looking at it for a minute I noticed what appeared to be a shell or something of the sort sticking out the one side. Got sidetracked, didnt think much of it and put it down for about a week before I came across it again. Decided to brush/scrub off some 'mud' to see what was underneath. This was not very easy, didn't come off very well, and it also had a slight unpleasant odor, a new smell for me actually, from the fine dust that was slowly brushing off in the air. I did get it wet at one point and gave a scrub with an old toothbrush as more was revealed, as I was trying to figure what the it was. The brown stuff was not nice when wet, very mucky, but not like mud. I probably should not have removed as much as I did but curiosity got the best of me and I kept "cleaning" as it started to reveal more. The one side started to show visible, what I believe to be, decay, with burnt reds, yellows, and browns. Although again apologies, as I really am a newb to all this stuff and really dont know anything to be honest with you. I dont know how it could be turtles or what the shell type thing is or how this would possibly be on my property. and from when it could possibly be from and still be in this condition. there are many different locations of what seem to be reptile skin, and also several roundish oval turtle shell looking pieces? Theres no turtles in the immediate area. and if it is poop, theres also nothing big enough to excrete this around here. Strictly residential area, biggest creatures being raccoons and dogs but this cold come out of them. But then again who knows. If anyone could help me with this I'd greatly appreciate any feedback or thoughts! I wish the pictures were better but its as good as I can do. Let me know if theres any spot I can take another shot or two of close up or whatever. I really am curious what this is, as there are many more pieces I have questions about as well. This one just seemed more "fresh" if you will, where as the others seem like rocks with inclusions. Thanks in advance! Also, please just let me know if Im crazy and seeing things haha.
  11. Seashell fossil?

    I have had this fossil since I was a child but have never had it identified. Now my son is curious about it so we thought we would see if we could find out something about it. It was found by an uncle near Praha, TX (between San Antonio and Houston) about 40 years ago if memory serves. The fossil in the middle is 1 3/8" x 3/8". The stone has a strange feel that's hard to describe. Maybe like clay or really old chewed-up chewing gum! Thanks for your help. (And sorry for the tags - I needed three so made some stuff up.)
  12. Dinosaur Egg

    Hello, I have found what I believe to be a fossilized egg? Would someone with more knowledge please help? Bottom of egg..
  13. Fossil found by Genesee River

    I know nothing about fossil, bunch of rocks and stones were looking like eggs and some have weird strips that drew my attention. This one looks like a tooth so I grabbed it for fun . Can anyone Identify it for me?
  14. Shark/fish tooth ID

    Hi all, Found this little tooth hiding in between my pycndont fish teeth from Balegem. I quickly realized that this wasn't in the right place, and it reminded me of something else. So, is it maybe a very worn Nebrius thielensi? Or is it something else? It's from Balegem, Belgium (closed location). From the Lede Sand Formation. From the Lutetian stage of the Eocene (45 mya). Thanks in advance! Max
  15. Help with Hell Creek Jaw ID

    I've had this jaw for some time now, but have no idea what it might belong to. It comes from Montana (Hell Creek Formation). At first glance I thought it was probably crocodile, but taking a closer look at the worn tooth in one of the sockets, I'm wondering if it's a piece of Edmontosaurus Jaw. I know it's hard to say from pictures alone, but I figured someone with a good knowledge of Hell Creek material might be able to help.
  16. help with Id

    My son and I found this in Milton Ma at the Blue hills reservation. Does anyone have any idea what it is? Thanks for any help! Jenn and Owen
  17. Please help ID

    Hi! My boys and I found this while exploring a river bed. Any ideas what it is? At first I thought we had found a tooth but researching suggests I may have found horn coral? Pictures I have found online are not that helpful so thought I would try here. So cool that we can find fossils right here where we live!
  18. Trying to identify some fossils...

    Hello everyone - I was recently on a camping trip North of Giddings, Texas and while out looking for fossils, my son and I found these along with lots of petrified wood. Someone has suggested that the two pieces with the "lines" might be either mammoth teeth or primitive shark pads. Can anyone help? They're relatively small for mammoth teeth, but they do look similar. Also included in the find was some kind of completely fossilized bone. It was laying right on top of some mud around a tank. love to know what that might be. And finally, we found a small rock with some interesting layers. This one is a mystery. Almost looks like bone as well. Thank you all for any help you can offer.
  19. Venice Beach Fossil ID Help

    Great trip with my daughter to Venice Sunday, she did pretty well. She found a good size bone and I'm unsure of what a few are. Thanks for the help in advance!
  20. non-nodule fossils from Mazon area

    I went to the Mazonia South Unit last week for my second ever fossil hunting trip in as many weeks. (I may be developing a problem). On my first trip I didn't find many nodules so I wanted to go back and try hunting in a different area. However I did find what I believe to be fossils in limestone and some pyrite (as identified in another submission-Thanks!). I will post the photo of the limestone sample in another submission as the pictures are too large. The fossil I am most curious about is pictured below. I credit my dog with finding this one as she led me to the place it was laying under an evergreen tree. The first photo shows the side with the fossil while the second photo shows the opposite side. It seems to have a stain on it that follows the same shape of the fossil. I don't know if that is a coincidence or relevant to the id. I'm assuming this is limestone solely based on its color, I could very well be wrong.
  21. By the title your probably skeptical about me actually finding a fossil in my backyard of course I didn't actually find a real fossil in my backyard as that would be quite fictional. I thought I would say that before beginning the fossil ID help... Because in reality I found 2 fossils in my backyard not one!!! In the lot beside my house is dense forest I live in Florida with very invertebrate rich soil in fact almost all soil in my area (suburbs near Indian river) contains hundreds of small shells Pleistocene to recent. However last year when I was looking for modern animal bones I was very surprised to see a white shard sticking up from the ground I tried the porous test with my finger but it was not positive so I concluded it was most likely not bone as most Pleistocene epoch fossils are much more reactive to the test than older fossils and since in my area there are only Pleistocene to recent fossils I assumed it was an invertebrate so I started to excavate the area. To my surprise I found a very large conch-like shell I actually had to cut the roots of a nearby tree as the roots were going through the shell. I later came back and found yet another specimen. It's quite the story to find literal fossils in your backyard but anyways here are the two specimens i'm curious to see your opinion on them please feel free to ask for different pictures and or questions. Thanks in advance, -RJD Yellow>First Specimen Orange>Second Specimen Blue>Modern Invertebrate IF YOU ARE TRYING TO ANSWER ID USE COLOR CODES PLEASE AND THANK YOU,
  22. Concretion or fossil?

    Hi! I found what may be a large -4-ish concretion at a creek in Crawford County, In. It is different than what I have encountered before. Any thoughts on prep or whether it is worth digging into?
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