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  1. Bringing Fossils to Life

    Mystery Devonian Fish

    I found this mysterious fossil in Richland, Michigan, and don't know what to make of it. It appears to have a fish scale and lots of bone fragments, as well as a piece of coral, in smoothed (Devonian?) sandstone. I don't know my fish very well; can anyone help?
  2. I'm a collector from michigan and have a large amount of specimens to prep. I am starting this topic to help others and myself on the ID'S of criniods and blastoids I commonly find in michigan. I'll start this with a worn, but otherwise nice criniod my sister found last summer up in partridge point. I believe it is one of 3 species of Megistocrinus. Im waiting for my sister to send me the specimen so I can get a better look at it and add photos to this post. I'm leaning towards an M. regularis due to its shorter height than the other two examples. Just under 6cm in length and width
  3. andoran

    Northern MI Coral Fossil

    I found this in with a bunch of Petoskey Stones from the Alpena area, but I'm not quite sure it is one too. It seems like the calyxes are further apart than they are in Hexagonaria. Does anyone have an idea what this is? I'll go ahead and tag @TqB myself. Thank you for the help.
  4. I need help identifying these white fossils in this pale green rock. It was found in the northern Michigan Gravel Pit near Charlevoix.
  5. Nuquella


    Found this in a dirt road ditch washout in Northern Lower Michigan. Appears to have fossilized bone on the right side of the "footprint".
  6. I found these three fossils I’m pretty sure one of them is a coral but the other two I have no idea. Thanks in advance! Found in Grand Marais MI.
  7. acetabular

    Trilobite Impression?

    I just found this piece in a parking lot in Ann Arbor, Michigan. The stone was taken from some quarry and dumped here, so there is no geographic or temporal control, but I was wondering if it was a trilobite (since that's what it looks like to me). Thanks!
  8. While doing security rounds at work, I stumbled across a nice slab chocked full of brachiopods, tucked in dock-side rip-rap from Northern Michigan. It's pretty dark outside, so the pictures aren't the best, but I do see several types in it. Better pictures will follow once I get it home.
  9. Found this stone awhile back, very smooth and round, and perfectly shaped like an egg! I live in the Thumb of Michigan, and found this in the rocks by some shrubs. All the other rocks were definitely not like this. Any ideas what it actually could be?
  10. Mastodon tooth found by 6-year-old on a hike. He’s donating it to the University of Michigan Michigan Live, September 30, 2021 Rare mastodon tooth found in Michigan creek by 6-year-old boy By Megan Woods, WDIV, October 4, 2021 4:06AM Six-year-old boy discovers rare 12,000-year-old Mastodon tooth in Michigan creek Firstpost News, October 06, 2021 6-year-old boy finds historic mastodon tooth in Rochester Hills creek Tooth will be donated to University of Michigan’s Museum of Paleontology for research Yours, Pau
  11. MadeinMichigan

    The Best and Weirdest from my Summer Hunt

    Hi From Michigan! I had a great time finding fossils along the Northeast shoreline of Lake Michigan (in the Leelanau Bay, just outside of Charlevoix) this summer. Along with my usual haul of horn corals and crinoids (and two intact bivalves!!), I found these two pieces interesting. Fossil A is a real soup, and I'd like help identifying pretty much anything you see in the picture, especially the thing that looks like an insect. I'm not sure if Fossil B is actually a fossil or a geological formation; otherwise, my best guess is a type of coral? Thanks in advance!
  12. Ursula_Peterson

    Weird Thing from Lake Michigan... HELP

    Hello, everyone! This is my first post here (and I actually joined this forum for help with this, though you all seem like a fun bunch and I'd like to stick around). So, I found this thing on a Lake Michigan beach last Thursday (near the Point Betsie Lighthouse). I have never found anything like it, yet it seems so familiar... it's just asymmetrical enough to be throwing my guesses off. It has a little hole and was once hollow, and is now filled with tiny sand-grain-sized crystals. Honestly it reminds me of part of a crab claw, but I have no idea. Please share your knowledge!
  13. Any ideas what type of fossil/mineral this may be? Found on the beach just south of charlavoix Michigan.
  14. Hello everyone - I have a (hopefully) interesting find from the Lake Michigan shoreline around the Leelanau peninsula in Northern Michigan, which I think is likely Devonian in age. It might be difficult to see from the pictures, but there are some small crystals within some of the gaps. Coral? Crinoid? Mollusk/brachiopod internal mold? Geologic? None of the above?
  15. Bill Hoddson

    Michigan brachiopod question

    I have a piece of limestone found in a gravel pit. It contains two brachiopods I'm having a hard time identifying. Both appear to be the same species, just differing states of preservation. The larger is about 3/4" wide.
  16. Bill Hoddson

    Petrified Wood In Michigan

    Please help settle a debate on a Facebook page - Can petrified wood be found in Michigan? Considering that at least 95% of our state is recent overburden on top of Paleozoic or older rocks, is it possible to find naturally occurring petrified wood? It seems many swear that their finds are petrified wood, but looking at the geological history - predominantly shallow seas depositing sediments during the Paleozoic, followed by the glacial bulldozing during the Pliestocene would make petrified wood and impossible prospect. Thoughts?
  17. Bill Hoddson

    Looking for someone with a trim saw

    I have a coarse grained limestone piece I'd like to remove a couple of horn corals from. Anyone near Cadillac/Traverse City with a trim saw who could help?
  18. Bill Hoddson

    First Serious Prep

    This is going to be my first serious attempt at removing a fossil from a rock, and cleaning it for display. It's a solitary horn coral found in a parking lot in Traverse City, Michigan. Base rock is a rather coarse grained limestone, so it should be easier that a finer, densely grained matrix. The only tools I have currently are a Dremel with a flex attachment, carbide cutting disks and diamond burrs, as well as various dental tools and muriatic acid. My plan is to try to safely cut the specimen out of the main body of the rock, and then proceed with th
  19. Birthgiver

    Help I'm new here

    I made this account because I was hoping someone could help me identify my rocks/fossils I'm not sure if this is the site to do that but Ill go ahead anyway. I found all of these at the same site. Approximately a quarter mile from Lake Charlevoix in Michigan. I am most interested in knowing about the tooth and the one, with what looks like multicolor scales. I'm a novice but I'm assuming the third set of photos is honeycomb coral. It was a good haul. we found many Petoskey stones and other little fossils. Thanks in advance for your help. I'm curious what you all think. I'm a compulsive rock ho
  20. Jmeister

    Is this a tooth?

    Hey everyone, Any ideas about what this could be? We found it on a beach shore in Acadia Michigan. It has so many features that makes me think it's something special. - Triangle shape - possibly single root lobe and root line on top? Was thinking shark tooth but doesn't have two root lobes or v shaped root/gum line. Also seems very old. Was also thinking dinosaur, but It's my understanding there are no dinosaur fossils in Michigan, so possibly very old? Curious to know what you think! Thank
  21. Blakeg

    Mid Michigan coral ID help

    Picked up while beach combing. Thoughts?
  22. Bill Hoddson

    Subsurface Lake Michigan salt deposits

    Looking for information on the subsurface salt deposits under Lake Michigan, between Manistee and Ludington, primarily as to their age. I have some (limited) access to core samples from the wells, and while I've seen some beautiful halite crystals, I've wondered what sorts of fossils I might find. I'm told the cores, taken in 1989, are from ~2500ft. I can't find anymore information than that. Maps and stratigraphic charts for that area are too large of scale, and too generalized. Anyone have information?
  23. Picked this up while looking for Petoskey stones, any idea what it is?
  24. Cassandra Tiensivu

    Actinocrinites Plate or Echinoderm?

    After cracking open this packstone, I happened upon this odd little fossil. I did a bit more excavating to uncover the extra lobe. So far, the speculation is leaning heavily toward some sort of Actinocrinites plate. There are a few people pondering echinoderms. What are the general thoughts here on this piece? From South Haven, Michigan. Mississippian Coldwater Shale.
  25. Hello, I found this as well as several more in different sizes in the woods near my home in Northern Michigan. Can anyone give me a clue what it might be? It is hard to tell from the photos, but many parts of this appear to be crystalized. Mostly inside the "holes". I have looked ALL over the area on hikes and have never come across anything even similar to this. They seem to be in just the one area.
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