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  1. DrKrenobli

    Petrified Mushroom?

    Greetings. Location: Southern Washington State, in the Cascade Range, by a river. Geologic studies of the area suggest there was a massive landslide at this location over 1 million years ago. Present day it is a very wet area with lots of fungi. Material density and hardness appear identical to the petrified wood found at the same spot (highest concentration of petrified wood I've come across in the Cascade Range. I first thought it was wood until I noticed the direction of the lines seem to be perpendicular to how I'd expect tree rings to be. Reminds me of som
  2. Suzrusk

    Petrified Mushroom Question

    Hello all, my dad acquired this item. He was told it was a petrified mushroom. Has anyone seen one of these or can confirm? thanks for your help
  3. We see a steady stream of "petrified mushrooms" here on the forum. Mostly they are pseudo-fossils which are the result of pareidolia. Sometimes they have a more rational explanation being things like worn down rugose (horn) corals with the coral septa being mistaken for the gills of the mushroom cap. Mushrooms are of course the fruiting body of a fungus which are largely composed of water (85-95%). The remaining solids are a few percent proteins and a similar amount of carbohydrates with less than a percent of minerals. Contrast this with bone material that is around 60-70% calcium
  4. henry david

    Potential Polypore Mushroom Fossil

    MAH01344.MP4 This is an interesting one, it has the structure of some modern polypore mushrooms, but with larger pores, the growth pattern on the top seems similar to the layer underneath the outer shell on a ganoderma applanatum, and the size and shape is consistent with that mushroom. Any ideas or identification tips? I appreciate any response.
  5. Grimpuppy

    Fossilized mushroom?

    I recently ordered some decorative stones for my garden when one of them happen to catch my eye. Is this a petrified mushroom it is hard like a rock but has very defined gills.
  6. Hello ,we go to the callovien stage in october it was a good days we find some ammonites and mushroons
  7. Me and my wife found this rockhounding together in some railroad tracks. It looks like a mushroom cap and I've done some research and I am 80% confident it is a mushroom cap, but at the same time I'm a little doubtful being that mushrooms are so fragile. What would a mushroom have to over come and the middle, things would have to be just right I'm assuming to become petrified.
  8. Diggler2380

    Is this a petrified mushroom cap?

    I found this in in. Grove heights , MN. Where a huge amount of land was dug up and now is a construction site. I found it right after the ground was initially turned up . I believe it may of been old farm land or just unused land prior to the dig.
  9. DaveB

    Another Coral Specimen?

    Hi all. I spotted this in a load of 1 inch gravel I purchased from a landscaping company in Cincinnati, Ohio. My first thought was that it is a fossilized mushroom, but I'm no expert in identifying mushrooms or fossils. After reading through some of the other posts in this forum, I've learned they are extremely rare and are usually identified as coral. I now suspect that I have an eroded solitary rugose 'horn' coral based on the "A Mushroom??" topic also in the Fossil ID forum. The appearance is similar and it was found in the same'ish area, but I didn't want to just sit on it without at
  10. CaraMarie

    Really cool fossil but what is it??

    I found this about 8 years ago in a dried up creek bed behind my house in the hills of Hayward, California in the San Francisco bay area, USA. We dug it out of some dry but soft sediment and I assumed I found a fungus/mushroom of some sort but now Im not so sure. I am a hobby collector and love it no matter what it is but I would love to have an actual identification. Thanks!
  11. Neilhayden

    Fossil Polypore

    I found this specimen digging in the Hampton Butte area of Oregon. It was found with typical pieces of petrified wood from the area. It looks very much like a polypore/conch. I know fossilized mushrooms are very rare but I’m stumped as to what else it could be. Thanks for the help!
  12. keaganmcgrath

    Fossilized mushroom?

    Found what appears to be a mushroom while arrow head hunting in Arkansas. Is this a mushroom? Is it valuable, and if so what is it worth? Thanks!
  13. nikkisixx


    My backyard find, a few miles north west of Long Beach. I found the smaller pieces (which appear to be mushroom, then hit a large rock, removed the rock and saw a corner of this sticking out. Still working on cleaning it with a soft brush as it is VERY fragile!
  14. This appears to be a fossilised mushroom. Seems unlikely, I know, but precedents have been found recently. It could be mushroom coral... I don't have a good camera phone, so I asked someone else to take the photos, I wasn't able to insist on following the forum rules for Id photos. Apologies. Found while digging in the garden. It was already broken. Australia, NSW, Eastern Tablelands.
  15. Jdrunner

    Lake Erie “fossil”?

    Was walking the shore this morning and came across this specimen. It’s hard like petrified wood. It seems like a mushroom cap... any ideas what it actually is?
  16. Whatisthisplease

    Any info on this .....mushroom?

    I found this in my garden when I was digging out an invasive weed. I was keeping some interesting stones in a separate pile to add to stone edging I have around a garden bed. I saw it, and even covered in soil, it looked interesting. I removed some dirt and saw it was really lovely. At first I thought it would be porcelain. After I removed more dirt I realized that it isn’t. Both sides are truly beautiful. It looks like a mushroom to me - the detail is amazing! I don’t know anything about things like this but came across your website as I was trying to find out more about my find. An
  17. JK1990QWERTY

    A Mushroom??

    I found this in a river in central Indiana. Looks like a mushroom to me but I'm interested in what you guys think.
  18. Mushroomq

    What is this item?

    Anyone know what this could be?
  19. Jackie Harris


    If I already submitted these photos, I am sorry. I am working from my phone. I found this on my friend's yard yesterday. I will send samples of all lighting I have used. The first photos are from inside, at night. Then one will be from outside in the daylight and another one will be from inside, during the day. I see a full mushroom fossil. On some sides it resembles the cap of a morel mushroom and then on one side there are gills of a mushroom. Let me know what you all see, I have found something but I am not sure what I have found.
  20. Jackie Harris


    I hope these photo's are better. I just want to be educated on what I found. I have taken photo's of all sides of this stone. I will have 2 posts.
  21. Quantum Observer

    Petrified Mushroom

    I found a petrified mushroom and would like to find the value of it. Can anyone here give me that information? I also have a huge chunk of pink/purple coral and would like to know the value of it. I have a pic for the mushroom but will have to take pic's for the coral
  22. Chris_W

    Possible Mushroom Fossil

    Hey, everyone. I found this a few years back and thought how strange it would be for a mushroom to achieve fossilization, so I kept it as a sort of trophy on my desk until losing track of it during a move to a different city and then forgetting all about it. I found it again earlier today, however, and was once again struck by how unlikely a mushroom fossil was, especially one not embedded in amber or stone. After some investigation, the odds seem even greater that it can't be. Nevertheless, the gills seem undeniable to me, and it's as light as you'd imagine a fossilized mushroom w
  23. Joanne0864


    Was needing help identifying this fossil. Looks like a Morrell mushroom?
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