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  • *Pseudofossils ( Inorganic objects , markings, or impressions that resemble fossils.)

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  1. Tetradium

    20210505_1941_029_0.000

    From the album: Bryozoan of Minnesota Ordovician

    Close up of the unknown species showing varying walls thicknesses
  2. Tetradium

    100_9247

    From the album: Bryozoan of Minnesota Ordovician

    Batostoma species from Mifflin portion of Platteville Formation. Since there hadn't been any official researches into platteville bryozoan, I would assume this to be a early forerunner of Batostoma fertile as it looks very similar to it but on average smaller. One rock have a different species running parallel but camera couldn't get more details.
  3. Tetradium

    100_9245

    From the album: Bryozoan of Minnesota Ordovician

    Unnamed species. I keep getting in over my head with all the vocabulary so most likely not new. I only found this species this year in a new Decorah dig site location. I would had almost tossed it aside if not for the first piece I found which is much longer than the usual rugose decorah twin cities Ordovician bryozoans. On closer inspects it is so different from my Batostoma species. Rarely branching which is very unusual for a rugose bryozoan, very variable wall thickness as seen as under digital microscope. Only found in this one location.
  4. Tetradium

    20210505_1027_014_0.000

    From the album: Bryozoan of Minnesota Ordovician

    Another digital microscope of Stictoporella frondifera.
  5. From the album: Bryozoan of Minnesota Ordovician

    Close-up of Stictoporella frondifera with digital microscope.
  6. Tetradium

    20210505_1005_007_0.000

    From the album: Bryozoan of Minnesota Ordovician

    Another digital microscope of Phylloporina sublaxa, this time a bleached out one. Note the zoarium.
  7. Tetradium

    20210505_1004_005_0.000

    From the album: Bryozoan of Minnesota Ordovician

    Digital microscope close up of Phylloporina sublaxa. Its the best I could do.
  8. Tetradium

    100_9233

    From the album: Bryozoan of Minnesota Ordovician

    Stictoporella frondifera. Very localized abundant in lower Decorah formation Minnesota, Ordovician, Twin Cities.
  9. Tetradium

    100_9230

    From the album: Bryozoan of Minnesota Ordovician

    Phylloporina sublaxa uncommon Decorah formation Ordovician Minnesota Twin Cities. I tend to find them in pretty small pieces and obviously easily overlooked. Much more finer laces than Stictoporellina cribrosa.
  10. Tetradium

    20210421_0608_014_0.000

    From the album: Bryozoan of Minnesota Ordovician

    The best I could do with digital microscope of close up of Batostoma fertile specimen.
  11. Tetradium

    100_9224

    From the album: Bryozoan of Minnesota Ordovician

    Batostoma fragile Decorah Shale Ordovician Twin Cities Minnesota. When comparing all bryozoan fossils from Ordovician this one stands out as having the largest zoarium. (fossil terms for the pores). Its also the largest branching bryozoan I had found in terms of masses. One thing I have noticed with this is compare to "Batostoma minnesotense" It tend to be ,more lumpy and more flexible into forms, even at times mistook for Prasopora conoidea if not for its larger zoariums.
  12. Tetradium

    100_9102

    From the album: Bryozoan of Minnesota Ordovician

    Prasopora conoidea - average sizes that makes them noticeable. Sometime in the future I will have to examine closer - but I suspects smaller colonies may exists on harder surfaces than most people thought. From my examinations Prasopora conoidea strongly prefers muddy sediments, as I hadn't found any in carbonate rich rocks. Seem to strongly prefers brachiopods of any sizes as starting point for their colonies though uncommonly occurs on bryozoans as well. Abundant in all layers of Decorah formation.
  13. Tetradium

    100_9100

    From the album: Bryozoan of Minnesota Ordovician

    Prasopora conoidea from Decorah Formation. Those are the largest ones I have found - seemly? (not 100% sure) only in upper Decorah Formation. The middle one is the largest I had found so far.
  14. Tidgy's Dad

    St.Leon Bryozoan

    Hello, friends! This bryozoan is tiny, about a mm wide. It seems to be made up of overlapping tubes arranges diagonally across the zooarium. It come from the Southgate Hill road cutting, St. Leon, Indiana and I think is from the Liberty Formation, Cincinnatian, Late Ordovician due to other species found in the same piece of rock. The other species include Xenocrinus baeri, Hebertella occidentalis, Zygospira modesta, Graptodictya perelegans, Bythopora deliculata, Batostoma sp. and Stictopora emacerata. I think. Thank you for looking.
  15. Mainefossils

    Unknown fossil

    Fossil forum, I recently found an interesting fossil. I was thinking coral or bryozoan, but was unable to identify it correctly. It is from the Leighton Fm Maine (again), which is Silurian. Any help would be greatly appreciated. Here are some pictures of it:
  16. Tetradium

    100_8983

    From the album: Bryozoan of Minnesota Ordovician

    Strictoporellina cribrosa uncommon Decorah Formation. Least common of the porous frondose types. Pretty solid flat with pores ridden it. No other variability in shapes.
  17. TheShrifter

    Some Brachiopod/Bivalves and Coral

    Hello, I have personally collected these far from perfect samples on some hiking trips and from around the field I work in. I have included a Die in each picture that is 2cm³, and have the corresponding number on the die to each specimen/picture. Any help with ID would be cool! Thanks in advance! 1. Stromatolites? Devonian - Palliser FM. 2. Bryozoan? Devonian - Palliser FM 3. ?Buchia? Cretaceous - FM unknown could be Three possibilities and I am not familiar enough with how the formations lay for the
  18. Tidgy's Dad

    ADAM'S SILURIAN

    Hoooooooooooorrrrrrrrrrrraaaaaaayyyyyyyyyyy!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Here we are at last, into Adam's Silurian. Thanks for looking. First up is the Lower Silurian or Llandovery and I begin with a problem. I posted this one incorrectly in Adam's Ordovician as it had got it's label muddled up with an Ordovician Favosites I had that has vanished in the move here, but is being replaced by kind forum member @Herb Anyway, this, I remember now I've found the correct label, is from the greenish Browgill Formation, part of the Stockdale Group from a cutting near Skelg
  19. I love fossils and I love macro photography! If anyone is interested in having this photo to make a puzzle out of, let me know and I will send you a full res copy of it. This is part of a rock that I found in our backyard in Madison County, Alabama, just a couple of days ago. You could spend a lot of time studying it and finding a wide variety of fossils - mostly bryozoan - so I thought it might make a fun puzzle for these pandemic times. I'm not sure how this works, but I think there is a messaging option here where you could give me your email address so I could send the full resolution pho
  20. I dug this rock up in my back yard today in Madison County, Alabama. I was not surprised to find the typical fenestellate bryozoan fossils that I normally find, but I am puzzled by a couple of things. I will post a some photos to show the bryozoan fossils on the rock and then macro photographs of the parts I have questions about. The pod like structures remind me of some that I found on another rock from TN, but with encrusting bryozoan fossils... The other "thing" looks like some type of stem? Are these structures of the bryozoan colonies? I see one crinoid fossil on here, too, but that
  21. I'm still trying to find an example of a xenomorph for @Rockwood and I ran across this strange scene on my 57 pound rock (yes, we weighed it) from my son's land in Pulaski, TN. I know from what I learned here that the pink part is trepostome bryozoan fossils (I love the coloring, by the way!). It appears to have almost a shell over it, though? And in another place a portion of it is "peeking through" the shell like substance? Is that another type of encrusting bryozoan? If so, would that make this a xenomorph? Thanks! Ramona
  22. EscarpmentMary

    Trip to Big Bay

    The weather is exceptional in southern Ontario, these days. 25 degrees C! That’s 77 degrees Fahrenheit to my US friends and for here in November it is exceptional! We decided it was a great day to go to Big Bay which is situated on Georgian Bay between the Owen Sound and Colpoys Bay a beautiful place down a gravel road; it can be busy in the summer but we knew today it would be quiet. The trip was purposeful because I know it is just full of water washed fossils and I wanted to post pictures of what is there. I wanted to show you all how prolific the Silurian Ocean was. I also included a co
  23. Ramona

    The beauty of bryozoa

    I hope this is allowed in the Fossil ID portion of the forum. I have learned so much here that I just want to "give back" for a moment. I am a photographer by trade and I want to share a few photos that show the beauty of bryozoa - trepostome bryozoan fossils in this case (thanks to the help from folks on this forum!) These are not huge and monumental discoveries, but the more I study them, the more I am fascinated by them. The more I learn, the more I NEED to learn. These creatures are beautiful in form, color, and substance. I have no questions in this post - just wanted to say THANKS i
  24. Hi everyone, These unidentified specimens were collected in Union County, Illinois. It's from Mississippian strata, likely the Ste. Genevieve Limestone or St. Louis Limestone. I haven't been able to track down a proper map of this quadrangle yet. The smaller specimens resemble mound bryozoa like Prasopora and the cups of all of them display concentric layers like related bryozoans. There aren't any pores visible so I've been thinking about bisecting one of the smaller specimens to see if any radiating zooecia are visible. What does everyone else think? Does
  25. I had a chance to look for rocks in a new location today and WOO HOO, I found a huge rock that should keep me busy for a while! This baby is filled with tons of interesting things! I am going to start with just a couple of questions that I THINK I may know the answers to. Are these samples of a type of Fenestrate Bryozoan fossil? If not, maybe coral of some type? These were found at the base of a small mountain/hill in Pulaski, TN, where no fossil hunting has been done (yet!). If these are a type of Fenestrate Bryozoan, it looks like they have more of the structure intact than I am used to
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