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Found 27 results

  1. Dilophosaurus ??? footprint

    From the album Dinosaurs & flying reptiles

    Eubrontes: Dilophosaurus ? Raised relief (footprint coated to stand out). 200 mya Triassic Erving, Massachusetts . Connecticut River valley. Clay sandstone **Sadly, something smudged the tip of the middle toe while still wet, and ruined the beautiful claw mark. Heel to middle claw tip = 10", & from tip of right claw to top of left claw = 8". The 2 main types you commonly see are Eubrontes and Grallator, but Eubrontes is different, as it is apparently understood to be pretty much dilophosaurus footprints. (Citation???) I know there are probably sometimes others' footprints that will fall under the name, but it seems to be to the point of Eubrontes almost being synonymous with dilophosaurus. (Citation???) I KNOW I'm going to take flak for labeling this as just "dilophosaur", and I understand why, but all in all, in this case I feel completely comfortable and safe using the name without a qualifier. I'm very sorry to all who are bothered and annoyed by it
  2. Hello everyone, I am in desperate need of help with a huge debate I have been having with a friend over fossils preserved in ironstone concretions. From some of what I had read to some advice from other members I it possible to find vertebrate bone among shells and other mollusks preserved in an ironstone concretion. Whether it leaves a trace of the organism, morphs the organic material into the structure of the iron concretion through the decomposition with preserving, or whatever else it may be it seems to be possible. So recently I have hunted a place known to have recorded marine cretaceous shell and other mollusk found in ironstone concretion as well as cretaceous plants in shale, it seems like not to vast of enough study has been done there only from what I know, but since no vertebrate material had yet been discovered there though there can maybe be the possibility. I found these two particularly distinct pieces in iron concretions that exactly mimic the scute structure of soft shell turtle and croc in my opinion, I know how iron concretions are famous for leaving psuedofossils and such but these two pieces look way to exact and since its possible for shells and mollusks to preserve why not scutes? So I am here looking to end this debate, I'm looking for your opinion, can these be labeled as fossils, traces, etc? Or are these among some of the world's best iron concretions and nothing more. Your input especially if you are very experience in this subject would be tremendously appreciated.
  3. Pennsylvanian footprint

    I bought this fossil the other day, a Pennsylvanian amphibian or reptile print from Alabama (Carbon Hill). I have a fern fossil from the same site. I'm going to try and mount it to my wall if possible. Maybe put a wood backing with silicone glue, as it is fairly thin.
  4. Trace in Md

    Trace in sandstone/ mudstone. Can anyone see more or ideas of source? About 4 inches across.
  5. Found this, and a ton more, with my daughter over the years. Found this on Lake Michigan, near South Haven - Coldwater Shale Formation/Mississippian/Devonian There are lots of braciopods, from what I can see. Some having an amber looking coating, others having a metallic coating. Can anyone help with this, before I start to polish it (and let me know if I shouldn't). I've always just picked up rocks and coral fossils at the beach, and just now have really started to get curious....so I'm new to this, forgive me if I've missed anything. There are some close up shots, with a tootsie roll for scale...only thing I could find lol.
  6. Worm trace?

    All-- On top of the ridge where we have built a home in the Missouri Ozarks, near Rockbridge, about 26 miles north of the Arkansas border, there are many, many fossils. Coral abounds. (Even I can identify coral.) There is a lot of other stuff, too. Here is a sample of that other stuff. I think it is a worm trace (is that the correct nomenclature?). If you have a moment, tell me what you think. It was found 300 feet about the level of a river. It was at some depth between 0 and 10 feet, doubtless closer to the 0 number than the 10 foot number. I discovered it on May 7, 2017. (Maybe I should make another GUESS just to be safe(r)!) Thanks. --Bill
  7. Show your trace!

    What tracks have you found left on slabs of ancient sea/forest floor? Show-off here! My Crustacean burrow from Stratford Hall's Calvert exposures (SH being Robert E. Lee's home, so you get a mix of prehistory and history): Entrance: And the tunnel into the ancient seabed:
  8. Tiny bubbles

    I found these in the creek back in September, this is the only pic I took (just now happened upon it in my files) and I can't find them to retake pics. The largest rock, the black one in the right of the frame, is no bigger than 2" at it's widest measurement, if that helps. I'm just really curious about what would make these little bubble-like formations printed on a rock like this. Bubbles?
  9. One more before my phone dies!

    Just an ID, please, there's a lot going on in this piece.
  10. I'm not sure if this is an impression or trace fossil, so educate me on the difference please, but it's definitely something. I enhanced the color only slightly so y'all can see it better.
  11. Hello, this is a part 2 of my last thread with some of my other finds that I've found this at a site in new jersey where some footprints have been found from the Late Triassic/Early Jurassic, I am unsure about if these are footprints of sorts, any help will be appreciated thank you!
  12. What's this trace fossil?

    Found this slab today. Early Pennsylvanian. The brown blotches are lepidodendron leaves I believe. They've stained the surrounding stone. Edit: I should probably add that it's from southern Indiana.
  13. Ichnofossil

    From the album Collection

    Unknown, any thoughts?

    © fruitoftheZOOM

  14. Ichnofossil

    From the album Collection

    © fruitoftheZOOM

  15. Last weekend decided to drive down to Missouri to catch the solar eclipse and look for some fossils in the Upper Cambrian Davis formation. My time was pretty limited so was only able to check out a couple different spots for short periods of time. Lots of worm burrows, disarticulated trilobites and weird trace fossils. The shale was pretty dusty so it was difficult to see what I was looking at in the field. I feel like I barely scratched the surface. Here's an interesting one with what looks like a long genal spine and water ripples (?). My understanding is this was a back reef lagoon surrounded by a microbial reef and the St Francois mountains were islands during the Cambrian. Not sure what's going here.... any ichnologists out there? Another plate with a lot going on. There are some small tracks on the middle far right.. Trilobite parts... Possible Cliffia lataegenae cephalon? Hard to tell for sure after half a billion years... Thanks for looking and for any insight!
  16. Trace fossil or jellyfish

    Hi, I'd appreciate some help with this one, it's got me completely foxed and I can't find anything similar online. The matrix is a mudstone, it was a loose rock in a stream, the rocks in the area are all Brigantian (Upper Visean) - Carboniferous Cyclothem deposits (Northumberland, UK). There were 3 of these, all about an inch long, oval shaped, but fairly irregular, with faint radial lines/corrugations from a central 'spine'. They are three dimensional about a quarter of an inch thick. Small spiriferid brachiopod shell fragments in the same rock are undeformed, so I think the irregular shape is original. They remind me of small jellyfish but I think that's highly unlikely to have fossilised so I'm guessing some sort of trace fossil. All three are similar in shape and size so I'm wondering if there's a specific name for these, and whether it's known sort of creature made them? Cheers Steve
  17. Can anyone with Devonian expertise chime in? I acquired this from sylvania shale. The fossil is about 4.5 cm in length total, and the tiny markings each measure anywhere from 1-2 mm. The markings vary in closeness and wideness. First thought was a trilo trail.
  18. Trace Fossils?

    Gettings, I was recently visiting the north coast of the Balearic Island of Menorca and what I found there was a moon like landscape formed apparently between the Cambrian and the Devonian period, the area of the island is called Favaritx in case someone feels interested and I saw this strange drawings at some rocks, which I suspect that may be ichnofossils or trace fossils from echinoids or molluscs... What do you think? Thank you very much.
  19. I have two Triassic coprolites from the Bull Canyon Formation, Quay County, NM. The first one has an impression/imprint that I have not been able to identify. The second has a protrusion sticking out of it. I had hoped that by prepping out the the protrusion, I would get lucky and it would match up with the marks on the other. Unfortunately, I now have two things that I can't identify. @Carl 1. Is there anyone out there that wants to take a stab at identifying the imprint in this one? It does appear that there are some remnants (white) of whatever it was that made the marks.
  20. Trace Fossil

    Came across this one along Hurricane Creek in Pope County Arkansas. At first thought it was a crinoid imprint but now wonder if maybe its just a trace fossil.
  21. Diplichnites gouldi

    From the album Ichnofossils

    This is a trace attributed to a myriapod athropod (centipede or millipede). It is on the obverse side as the Nanopus prints in the previous image.
  22. Possible Trace Fossil? Any Ideas?

    It's been a long time since I've posted anything. I've enclosed a few photos of a recent find. I'm thinking it could be some type of trace fossil, but I'm definitely not certain. Any ideas as to what it could be? If even a fossil at all?
  23. Silurian Fossils And Trace Fossils

    Hi guys, Just wondering whether you guys you help me identify some trace fossils and body fossils I observed within the Kilbride formation, County Galway, Silurian age. The formation derived from a shallow marine high energy marine sedimentary facies. The first is a trace fossil I first believed was man made - however it is not perfect spherical! It has a triangular hole positioned near the centre - must be some form of burrowing species? Another trace fossil I observed I believe to be simple sprieten - however it does not appear to be bounded nor does it appear to be u-shaped, I initially believed it to be an arthropod trace, however it was perpendicular to bedding. I also observed these two body fossils in an out of situ boulder, which I believe is the same formation. If not the same formation, the fossil will still be of Silurian age! Lastly (I swear), I experienced these unusual boudin like indents near the fossils, unsure whether biologically realted - any ideas? Thank you and much appreciated, James
  24. Deer Lake Devonian Trace Patterns

    Devonian Trace Patterns from Deer Lake PA (Hamilton Gp/Mahantango) This is just for fun but maybe someone will recognize some of these trace patterns. I saw these distinctive trace patterns at the Deer Lake site and took these photos. I didn't collect the fossils but photographed them because they look like some kind of crinoid or coral filaments. The first image seems to have the top of a tube with the filaments above it. Pattern 1 Pattern 2 Pattern 3 Pattern 4
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