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Found 28 results

  1. Tung Ping Chau algae fossil?

    Today I visited an island not far from Hong Kong, it was a stunning place with beautiful Geological rock segments. It had beautiful mountains and lovely nature and some of the best variety of corals. It is also the only place in Hong Kong that has fossils. I saw this today on the beach and it looks a lot like algae fossils, I know it is uncommon to find fossils there but is this really a algae fossil? Sorry for if the photos were not good enough.
  2. Chlorophyte or Chloud Faces?

    Hello, all. After my last wonderfully successful Id effort on here, i thought I'd try again. This specimen was boshed free of some matrix that was sent to me by the unrivalled Ralph @Nimravisin a batch of matrix from the Conasauga Formation, Upper Cambrian, Georgia, USA and home to a multitude of the trilobite Aphelaspis brachyphasis as well as rarer agnostids and other even rarer trilos. I was looking at this paper https://www.researchgate.net/publication/250083071_Exceptional_fossil_preservation_in_the_Conasauga_Formation_Cambrian_Northwestern_Georgia_USA and thought my specimen below looks rather like the example D in Figure 3 (sorry, I don't know how to just post that image. It's a chlorophyte, so is mine ? They appear to be sort of tiny strings of sausages, the longest string being about 2 mm long, so each individual 'cell' is very tiny indeed. Thank you for any comments, ideas or suggestions. Adam.
  3. I have a Tridenticeras peramplum ammonite steinkern from the Austin Chalk that has part of it incrusted with algae/moss from sitting in a small creek where I found it. What would be recommended to clean moss off of chalk fossils, not just ammonites? What ever the method that is recommended I would first try it out on a fossil-less chunk of chalk to make sure that the process wouldn’t be detrimental to the matrix. I also don’t want to scratch the fossil by scrubbing it with something overly abrasive since the matrix weakens when wet. I usually use a soft bristled toothbrush for cleaning dirt off of specimens. Would that enough? Thanks in advance!
  4. World’s oldest algae fossils date back 1 billion years, says new research, Intelligencer, December 24, 2017 https://www.mcgill.ca/channels/channels/news/origins-photosynthesis-plants-dated-125-billion-years-ago-283492 https://www.lintelligencer.com/worlds-oldest-algae-fossils-date-back-1-billion-years-says-new-research-419-2017/ First photosynthesis took place 1.25 billion years ago: Study Economic times, Dec 24, 2017 https://economictimes.indiatimes.com/news/science/first-photosynthesis-took-place-1-25-billion-years-ago-study/articleshow/62231708.cms The paper is; Gibson, T.M., Shih, P.M., Cumming, V.M., Fischer, W.W., Crockford, P.W., Hodgskiss, M.S., Wörndle, S., Creaser, R.A., Rainbird, R.H., Skulski, T.M. and Halverson, G.P., 2017. Precise age of Bangiomorpha pubescens dates the origin of eukaryotic photosynthesis. Geology. https://pubs.geoscienceworld.org/gsa/geology/article-abstract/524864/Precise-age-of-Bangiomorpha-pubescens-dates-the Yours, Paul H.
  5. Hello, I want to put together some pics of some of the reef material that I have found in Streetsville, Mississauga, Ontario on the banks of the Credit River. It is now winter and I am missing the warm days in which I can go and wade in the warm waters of the river for fun. I just want to compile and share some specimens that whose photos I have not shared with. All the fossils belong to the Georgian Bay formation, Upper Member, which is late Ordovician in age. First is the common coral that displays an enormity of growth forms, Favistella alveolata (Goldfuss, 1826).
  6. ALGAE ?

    This was sent to me in a sort of starter pack of fossils from the United States about 40 years ago. It doesn't look like any algae or stromatolites I have seen from this site. Any ideas anyone? More pics to follow.
  7. Beach rock

    Hi guys i have this rock in my collection. I don't remember where or when i pick it up. Any idea of what it is? Kay
  8. Plant or mineral

    I found this walking, stuck in a dirt road right next to the Birch River in Nicholas County West Virginia. Just curious what others think it could be. I thought maybe it was just a strange mineral deposit. Sorry about the wonky tags for this post. This requirement is way beyond my knowledge in the area of fossils - which is nothing.
  9. Possible Algae Fossil?

    Found this in a creek bed behind my house. It's a piece of shale I found about 6-8 inches deep in sediment. It was about to open up on its own so I sprayed some water into it with the garden hose and it popped right open. That's when I noticed the black spot towards the center of it. I didn't think anything of it until I wiped it off and noticed what looked like fibrous ends jutting off along the edges. I know it's possible to find plant material in the area but I didn't notice any obvious stems. That's when I thought it could be an algae of some sort. It practically disappears when dry so I have to wet it to take photographs of it. I don't want to keep messing with it since it seems very fragile. If it is in fact algae, I figured the darker area towards the bottom and center would be more of the "matted" area, while the fibrous sprouts would be the edges. If it wasn't for the perfect symmetry, it's in shale, and the fibrous ends I wouldn't have given it a second look. It's nothing spectacular but it would definitely be a very unexpected find if it turns out to be plant material. It is 5cm tall at it's longest and 3cm at its widest. There is some more randomly placed black areas and what appears to be more fibrous ends. Some of it totally disappears when its dry. I was hoping someone here could either confirm or deny if it is algae or at least plant material. I live in the Waynesville/Anheim Formation if that helps. Thanks! P.S. It was very hard to get decent images of the specimen since it is practically only visible while wet which caused glare. The fibers are very, very small. Some of the images are at 250x magnification. Because of this, some debris may be visible in the images.
  10. Margaretia dorus no longer an alga?

    I guess I have another label to redo: https://bmcbiol.biomedcentral.com/articles/10.1186/s12915-016-0271-4
  11. Side Views of the Prismostylus sp. Specimen

    From the album Georgian Bay Formation (Upper Member) Outside of Toronto, Ontario

    Side view of the Prismostylus sp. specimen. Credit River near the Streetsville area, Mississauga, Ontario. Georgian Bay Formation, Streetsville Member. Late Ordovician.
  12. Prismostylus sp.. (huronense?)

    From the album Georgian Bay Formation (Upper Member) Outside of Toronto, Ontario

    Prismostylus sp. found near Streetsville, Missisauga, Ontario by the banks of the Credit River. Top view of specimen. Georgian Bay Formation, Streetsville Member, late Ordovician, Katian. Formerly called Tetradium, this algae was very common to find in the locality I found this in. Small fragments of this algae can be observed on the limestone but I have seen some specimens that are wider than 20-25 cm in diameter. This specimen is a fragment and is around 15 cm at its widest point.
  13. Sold to me as Precambrian Algae?

    Hello all, this was sold to me as a chunk of precambrian algae from a reputable dealer. However, I'm having trouble finding photos of anything similar. Is that what it really is, and if so, is there any way to know roughly what kind it is and how old it is? The precambrian era is a pretty big block of time... The largest face of the fossil has bands of hollowed-out "combs" spaced about an inch or so apart. From the other sides, top, and bottom, it's clear that these bands go all the way through the fossil in three dimensions. There are some combs between the banding, but the large number of them in the bands is distinctive.
  14. Stromatoporoids?

    Hi, interested to hear some thoughts on this fossil found in Chicago. It was chiseled out of a large boulder containing Silurian reef material; rugose corals, gastropods, bryozoans, crinoids, etc... I'm guessing it is a form of stromapotoroids, but I'm not sure. Any ideas? Measures 2.5"
  15. Leveilleites hartnageli Foerste, 1923

    Lit.: Tinn, O. et al. (2009): Thallophytic algal flora from a new Silurian Lagersttte. Estonian Journal of Earth Sciences, 2009, 58, 1, 3842 Viirika Mastik and Oive Tinn (2015): New dasycladalean algal species from the Kalana Lagerstätte (Silurian, Estonia) Journal of Paleontology 89(02):1-7
  16. Chaetocladus sp.

    Lit.: Tinn, O. et al. (2009): Thallophytic algal flora from a new Silurian Lagersttte. Estonian Journal of Earth Sciences, 2009, 58, 1, 3842 Viirika Mastik and Oive Tinn (2015): New dasycladalean algal species from the Kalana Lagerstätte (Silurian, Estonia) Journal of Paleontology 89(02):1-7
  17. Harlaniella podolica Sokolov, 1972

    Harlaniella is considered either as early algae or as sulfide reducing bacteria. Lit.: Ivantsov, A. Yu. (2013): New data on Late Vendian problematic fossils from the genus Harlaniella. Stratigraphy and Geological Correlation, Volume 21, Issue 6, pp 592–600
  18. What time period material etc is this

    What can you men tell me about my rock I found around Aspen Colorado. Thanks beauties. What r these shells etc? The second one is the reverse
  19. Algae, Crinoid Arms, Or Something Else?

    My husband and I collected this piece of Tully limestone (Devonian) last summer for the brachiopods (on the other side). Last month, he was sitting near the shelf where we have the day's collection, and decided to take a closer look at a few things while he was waiting around. He looked at the depression in this rock: and noticed an interesting texture that wasn't visible in the field: I've looked at it under magnification, and it reminds me of a modern ground pine. Considering that the other fossils in the rock are marine brachiopods, it seems more likely to me that this is either an algae or part of a crinoid head. Here are a few micrographs. Notice that the "arms" branch in the first image: The depression is 1 1/2 inches long (4 cm).
  20. Fossilized Algae

    Hi, I collect rocks for fun and relaxation. I have a few that I would love to get opinions on. I contacted a very nice man at University and he said it looked to be fossilized algae. He also gave me the address to this website so I could learn more about fossils. I can use all the help I can get and look forward to your comments.
  21. Texas Hill Country Hunting

    A friend found out about my hobby of fossiking (particularly urchins) and says "oh, there are hundreds of the round urchins on my property, come on out!" So, I did and was initially disappointed to find out that what he thought were round urchins, were in fact algal fruiting bodies or porocystis globularis (as I discovered a while back when I first found the fossil forum, thinking I had some cool eggs....) So finding literally hundreds of these globularis was quite cool, but I wanted urchins! Now, also, there were urchins. Lots and lots and lots...of heart urchins. Which I like. A lot. But I also find them quite frequently where I am. I was wanting ROUND urchins! I havn't found but a few of those in my huntings. So I kept hunting. And was rewarded with a few small but nice phymosoma texanum round urchins. Yay!! And a mess of nice gastopods and bivlaves (some really adorable, yes, adorable, small deer heart clams) .All in all, a good days hunt!
  22. Devonian Mystery- Algae?

    Hey guys. This was found in the Helderberg group, upstate ny. It is late Silurian to middle Devonian. Any ideas? Thanks
  23. Algae

    From the album Texas Fossils

  24. Ord Red algae 2

    From the album Ord. Red algae and stromatoporoid

    from Winchester, KY
  25. Ord Labechia Sp stromatoporoid

    From the album Ord. Red algae and stromatoporoid

    From Frankfort, KY
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