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Found 193 results

  1. Coprolite Thailand

    Found this rock in stream bed gravels piled by dump truck next to Road #1013 in the Mae Win Sub-district area, about 50km south-west of Chiang Mai, Thailand. I've been rock hunting in the Intanon mountain area for five years, looking mostly for fossilized wood, but never saw a rock like this. It seems to be a fair match to Internet photos of fish dung ;-] Looks like there is a small bone fragment in the white colored area (see close up #122312) of the flat side. Appreciate any help with an ID> Regards
  2. My Aurora Pile

    Hey everyone! About 2 weeks ago, the VERY generous @AshHendrick gave a portion of his Aurora pile, straight from the mine! I put it around a wood frame in my yard, and have hunted it for hours almost every day. This will be an ongoing thread, I will prob not update every day, but at least weekly. This is the pile. It's bigger than it looks in this pic (about 5.5 x 5.5 feet [a little less than 2 meters i think]) What I do is I sift into the bucket, so I don't go through it twice. I dump it somewhere else. Day 1 Coral Fish vert I think this is coprolite, but I'm not sure Turtle shell Cool rock with turritella another turritella Big steinkern Sorry about the blurry pic, the only one I took of the ray teeth The shark teeth Find of the day shark tooth in matrix the shells. Appreciate ID's That's day 1. more coming
  3. Is this a coprolite?

    Do you think this is a coprolite? i found it at walton on the naze (essex)
  4. My first coprolite

    I originally thought it was very thin bone but i’ve been told it’s acually a coprolite. This is from near whitby. Would be interesting to know if it’s from a fish or marine reptile. Probably impossible though.
  5. Short NSR Hunt!

    I got in a 3 hr hunt before the rain and flooding. Once the water started coming up I had to make a quick exit but still got wet. I managed to find a few things.
  6. Awesome poo

    I just got an awesome coprolite. I generally hate those things, and would never pay money for one, but I came across this one and it has so many visible identifiable remains, I couldn't help being really impressed. Ive always wanted to see a coprolite that had clear remains in it. Sadly they're much smaller and harder to see in person than in these pictures, so I can only use these display pictures for the time being, until I take a magnified look. There's clearly fish scales, seemingly from different types of fish, and apparently squid hooks and such. I'm excited to find a good illuminated magnifying glass and really studying it up close:) Maybe even a microscope to take a closer look!
  7. I walked in tracks all day hunting but still managed a few finds. I really like the coprolite full of little fish bones and the Pleistocene horse ankle bone. I believe the little fish jaw is Saurodon.
  8. was out looking today found several ... I found this reddish stone and decided to look at it closer are those seeds in it?...or something else?....and it looks like it has veins in it.... is it petrified wood or some type of coprolite? Tue Sep 18 15-16-55 shows the blood veins looking markings best...they run all through the stone. I am rather new to all this and I must say it is like a scavenger hunt!
  9. What do you guys think? It's definitely fossilized material.
  10. Just wanting to know if these are worm burrows in this coprolite I know there are some coprolite and poop experts in this forum so thanks for looking. Thanks Matt
  11. I was a lucky recipient of a wonderfully CRAPPY package from @Nimravis a couple of months ago. Now I need some educating. 1. The only recognizable inclusions in this coprolite are plant fragments, most of which appear to be woody debris. There is one relatively intact "leaf?" that may be recognizable to some of you experienced Mazon Creek folks. My educated guess is it is from a lycopod. Can anyone confirm this. From what I have read, the only herbivores large enough to have produced a mass of this size are Arthropleura, the giant millipede arthropods. How exciting is that!?! 2. This one looks like some sort of stem fragment. Would this be from a lycopod as well?
  12. Here’s a small group of items I found in the North Sulfur River (Ladonia, Texas) over the weekend. I’m curious if A,B and C are coprolite? I’m wondering what species the shark tooth is as well. Thank you in advance!
  13. Green River Coprolite?

    I recently purchased this Green River Knightia plate at an incredibly cheap price. I got it because of what I was pretty sure was some coprolite on the back. I am sure you know more about this stuff than I do- so was I right? Also is that bone infront of the fish? Thanks!
  14. found in Hell Creek, MT

    Hi, I have no clue on this one. I was out on private land near Jordan MT. I found this rock which is unlike any other in the area. I spent two days on the property and found nothing else even remotely close to this. The land owner has had several Triceratops and Tyrannosaurus taken from his land. He didn't know what this was either. I thought it might be coprolite but I don't see any chunks of material. It looks like the core is darker with this lighter brown outside. It's relatively dense compared to most of the rocks I was picking up. It's about 7" long and 3.75" wide at base. I am thinking about cutting it. I'd be most appreciative if someone could help. Thanks!! Frank
  15. coprolite

    How can you tell if a coprolite comes from a reptile or a mammal or just a different mineral formation in general?
  16. As I was putting together labels with photos containing microscopic images of inclusions in coprolites, I came across something that I may have misidentified as a fish tail and vertebrae in a very small coprolite. After looking at it again, the tail looks more like a shrimp or crawfish tail than that of a fish. What I thought were fish vertebrae, look more like crustacean arm joints/elements. Can anyone please confirm this for me? Thanks a bunch! Formation: Oxford Clay (Jurassic - Callovian) Location: Orton Pit, near Peterborough, Cambridgeshire, England
  17. Penn Dixie oddity

    A visitor brought this item up front and I'm pulling the room to see if anyone has a definite ID on this piece. It's almost like coal, definitely seems like a carbonized something. Doesn't have the calcite to indicate plant, perhaps a fish coprolite? Thanks in advance.
  18. Is this a coprolite?

    I’m wondering if this could be a coprolite? I found it in a creek in middle Tennessee.
  19. Coprolite

    Lo ha cambiato alla mostra di Millau in Francia. Coprolite (cacca) ?? provenienza Utak USA Giurassico. È possibile una migliore indicazione? Grazie, Michele
  20. I apologize for the multiple posts. But so many interesting things I want to buy, and literature in our language is not always enough, as well as people who specialize in dinosaurs. We have a lot of specialists in unvertebrates, marine reptiles and the ice period fauna. But with beds of other countries is not very. Is it really a dinosaur caprolit? The seller writes that you can see the bony inclusions.
  21. Coprolite Identification

    Rather than writing information about coprolite identification on multiple threads, I thought I would post information about coprolite identification here so it can be referenced in ID threads (I'm getting lazy, I know). I was also thinking it might be fun for others to post coprolites in their own collections so others can use them for comparison. So here we go: IDENTIFYING COPROLITES: Not all rocks that look like poop have a fecal origin. Here are a few things to consider when trying to make this determination: 1. Location, Location, Location – If you haven’t guessed, the first and most important thing to consider is the location your rock was found. Don’t expect to find a coprolite unless you find it in geologic area/layer where other fossils are found. If you find things like bones, teeth and fish scales, or prehistoric tracks, you may just be in in luck. 2. Shape – While fecal matter can be rather freeform when exposed to the elements or when digestion issues arise, most coprolites are shaped like poo. As with modern extrusions, fossilized feces can be shaped like pellets, spirals, scrolls, logs, piles, etc. Their shape is dependent on shape of their producers intestinal and anal structure. Look for things like compaction folds and pinch marks. 3. Texture - Most coprolites are fine grained. If your specimen appears granular under magnification, it is most likely not a coprolite. There are some exceptions, such as marine creatures that feed on bottom sediments or coral. That is why knowing the location and geology of the area where it was discovered is so important. 4. Inclusions – Many times, coprolites will have visible inclusions. Things like fish scales, bone fragments, and teeth may not get fully digested, and can be visible on the surface. Some animals ingest stones for ballast or digestive purposes. These are known as gastroliths, and if present, are generally smooth. 5. Composition – Because herbivore scat tends to break a part and decompose rapidly, it rarely survives the fossilization process. So most fossil poo that is found is from carnivores. The reason for this is that their poo is usually high in calcium phosphate, the same mineral found in our bones. This mineral can appear in many forms. It can be hard and dense or soft and porous. If the potential coprolite appears soft and porous, there is a quick test that is often used in the field. If you touch to stone to the tip of your tongue and it sticks, chances are, it is high in calcium phosphate and could be a coprolite. If you are not that brave, you can also touch it with wet fingers to see if it feels sticky, but this is not nearly as fun. If the calcium phosphate takes a harder, denser form the “lick test” won’t work. In some instances, chemical analysis is required to definitively identify the mineral composition. @Carl do you have anything you want to add?
  22. Coprolite?

    Another one i found while hunting native American artifacts. Thanks for helping railguy
  23. is this coprolite?

    hey guys im new to looking for fossils i was just wondering if these two piece's could be coprolite the first (brown one) seems to have scales on it and high in calcium as my tongue sticks to it this one was found in a Tailrace behind a snarge, the second seems too have alot of bone fragments in it but do not stick to my tongue but i think its because it was found on a rocky beach and got tumbled both we're found in petty harbor Newfoundland, Canada
  24. Madagascan coprolite. Actually dinosaur?

    This is a small coprolite specimen from Madagascar. Just two questions: 1. Is this actually from a dinosaur or is coprolite just sold as "dinosaur" dung but in reality from any animal? 2. Due to its size surely its from a relatively small species or an infant larger species. Rahonavis too far fetched?
  25. Hello my friends! Good Morning! I'd like to know, please, if this fish died doing, what I'm thinking he was doing ... Is it really a coprolite? The coprolite is his? I thank you for all the answers!
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