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  1. Hi Folks- Any thoughts on the attached. I've always thought it was a burrow of some sort. I also think there is something else to the right of the burrow shapes on the first nodule (that is white and looks fauna like)- the same fauna-like item is above the "burrows" on the second nodule (on the right). Any thoughts?
  2. Any thoughts? Braidwood location from Mazon Creek....if I had to wager a guess I'd say coprolite. Others?
  3. evannorton

    Mazon Creek - Neuropteris Leaf

    Hi Folks- This is one of my favorite finds of 2012. I found this already split. It is a large sized leaf for the area....my guess on exact species is Neuropteris vermicularis. Enjoy. Evan
  4. Hi Folks- Having a hard time identifying this one....if I had to wager a guess...I'd say Mariopteris next to a branch. Evan
  5. evannorton

    Hind Wing Of Herdina Mirificus?

    Hi Folks- I had another nodule split open from the same location (Braidwood/Mazon Creek)- where I found the roachoid wing. It appears to be wing-like - but the preservation is not as definitive. Part of the detail is on each nodule. Please take a look and let me know if you agree with my ID. Thanks in advance. Evan
  6. Based on Richardson's Guide - I peg this as a roachoid wing. Do folks agree? Evan
  7. Attached is a nodule opened using the freeze/thaw technique from an Essex location known for aquatic life (jelly fish, clams, etc.). After reviewing this a number of times over a few months, it now looks to me like a crustacean fossil. When I look at it I see a shrimp facing the center of the picture (or the two nodules staring at each other ) - and a body with tail that wraps around the outer portion of the nodues. Do folks agree - or is my mind playing tricks on me?
  8. evannorton

    Mazon Creek Mystery

    Hi Folks- Been opening a number of nodules of late and came across this - which I think is likely nothing - but I thought I'd poll the forum. The nodule was collected at a Braidwood location - where I typically find fauna - I have found one edmondia clam (but I am assumming it is fresh water variety). Any thoughts on this? Sorry in advance for the poor quality image....I haven't invested yet in better camera equipment.
  9. Just got a few mazon creek nodules. Ive heard that the "freeze/thaw" method works the best, but does anyone know any specifics on the process (amounts of time)? Thanks, Peco
  10. araucaria1959

    Mazon Creek: Coprinoscolex Ellogimus?

    Hello, I bought that specimen labeled Coprinoscolex ellogimus. I'm not really convinced that this ID is correct. Maybe it is compressed and distorted and thus not as worm-like as usually. I show pictures of both sides (counterpart). There is a second question. There are small wormlike structures on the surface of the specimen. However, they don't look like tubeworms. Maybe they are some kind of coprolite, or the sandy content of the intestine of the animal that left the intestine at several places due to injuries. If so, there must have been multiple injuries which may indicate that the an
  11. araucaria1959

    Mazon Creek: Sea Cucumbers?

    Hello, here are two purported sea cucumbers among some Mazon Creek material I purchased some time ago. The first, better preserved specimen (with counterpart) was labeled without genus, the second specimen was labeled as Achistrum sp. when I got them. Is this correct? The second one looks like some Achistrum material depicted in the net, though my specimen is small (about 2 cm) and possibly only a fragment. However, I don't see anything specific in this specimen that reminds me of a sea cucumber, but the specimens "in the net" (google picture search) are of similar "structure" (except that t
  12. araucaria1959

    Mazon Creek, Worm?

    This is a Mazon Creek nodule (with counterpart). It looks worm-like, but it is longer and looks different from other worms I have (e.g., Astreptoscolex). There are no defining features present such as bristles or so. It doesn't seem to be completely preserved over its full original length. Scale = match = 45 mm. Any help would be appreciated. (The last two pictures are from the other half of the nodule). Thanks, araucaria1959
  13. Just joined a few minutes ago and i must say i am impressed with what i have seen so far. I have the privilege of living smack dab in the middle of some of the greatest fossils in the world. during one my treks around Morris/Coal City/Diamond, IL i discovered the usual ferns and such but then i came across these 2 beauties. The first one is odd shaped with a lump coming out of the top and bottom with a nearly perfectly round object in the middle of it with tons of that white stuff, I am a noob and do not know much about such things yet, just where to get them. Please also elaborate on this wh
  14. plankton

    Mazon Creek - Fossil Or What?

    I found this recently in Mazonia state park (Illinois). It's odd looking, but has a different texture and imprint on the one side (pic 1). Is this a fossil of some sort or just a unique piece of rock? Thanks for any feedback!
  15. Crinoid Queen

    Help Help I Need Friend

    Is any one on here going on the club trip to mazon creek 5/18 and 5/19 I was gonna ride the bus up to Joliet from here in urbana but Rob's Son decided he wanted to go to prom after all lol. Any one heading by this way or mind picking me up at the bus station of they are in the area the night before. I would help with gas and/ room/food. I have been reciently diagnosied with epilepsy and cant drive yet and I realllllllllly realllllly wanna go. Thanx -CQ
  16. snakebite6769

    Fossil Prep

    What is the best way to prep siderite fossils from Mazon Creek. Can tou clean them with hydrogen peroxide, or vinegar? Is the ph or acidity to volatile? Any and all help is greatly appreciated!
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