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Found 47 results

  1. I was recently reorganizing my fossil collection and thought I would share some pieces I collected during Paleontology field trips in undergrad at Alabama. I'm glad I took thorough notes at the time! The demopolis chalk is a popular formation for finding Exogyra/ostrea/pycnodonte shells and shark teeth. We visited a site in Tupelo, MS many times for surface collecting. Some of the cool pieces I found were many fragments of a mosasaur jaw (top pic, top 2 slots), a Squalicorax kaupi tooth, a scyliorhinus(?) tooth, bony fish vertebrae, and bony fish teeth. I was told the dark fossils at the right of the third picture might be ray plates, but I'm not sure. Turritella in pic 1 are from a different formation.
  2. Maquoketa mysteries

    These two finds are stumping me a bit. Both are from the Maquoketa Fm (Upper Ordovician) of Iowa. The first one initially struck me as a 3D graptolite, but it could be a crinoid stem. I couldn't get a good photo of the cross section, but it is rectangular.
  3. Small Animals

    Last week I visited a silurian site and found this stone. I wonder which kind of animals this is? And which kind of stone, which is blue inside with a relative thin layer of white material on the surface. The animals are "printed" on the surface. Martin
  4. Graptolite help Please

    Hello Found some I believe to be Graptolites and would like to be able to ID them better in the field. Is there a guide available or even a good book anyone might recommend for this. Attached pictures are what I think are graptolites but would like to verify. Surface finds Thank you all for the help Tom
  5. possible graptolite

    This was found in Maine, but was likely brought in as crushed rock from Quebec by a Canadian railroad company. Dendroid graptolite is my opening guess.
  6. From the album Silurian Graptolite

    Silurian graptolite Monograptus Elton Beds Wenlock Edge Shropshire UK
  7. Graptolite?

    Locally, graptolites are very common in the Maquoketa/ Ordovician rock. They present themselves as 2 dimensional creatures on certain bedding planes. Below the Maquoketa is our Galena. It has graptolites but uncommon. Again, they present themselves as 2 dimensional. The "unknown" specimen from the Galena, presented today, is obviously 3 dimensional and I venture a guess that it is a Graptolite. But I thought I would seek opinions in that I have seen thousands of local graptolites but never one that is 3 dimensional. Could it be something else??
  8. Graptolite from Mimico Creek?

    Hello there! Well, I tried to take Viola out for a little fossil hunt by Mimico Creek in Etobicoke, Ontario (Georgian Bay Formation, Upper Ordovician) this afternoon because when I checked the forecast this morning it looked like it was going to be ideal fossil-hunting weather - a mix of sun and cloud with temperatures in the mid-20s Celsius. When we arrived, however, it began to rain - we toughed it out and came away with one piece before it began to pour and we called it a day. I was disappointed since I was hoping to spend a few hours there, but the one piece we took home looks like it might have a graptolite on it, which is quite exciting since I have yet to find one in my local haunts. Please check out the photo below and let me know what you think: Thanks in advance for your help! Monica
  9. Wax, kentucky

    I had a chance to stop for a half hour at a roadcut near wax, ky to look for blastoids. While i didnt find any of those, i did find a cool bryazoan, another creature that may be a kind of graptolite, and a silicified section of crinoid. Thanks to those of you who helped me find the area... it is pretty cool. Sometime i'll be able to spend more time there, and i'm already looking forward to it.
  10. Wax, kentucky

    I had a chance to stop for a half hour at a roadcut near wax, ky to look for blastoids. While i didnt find any of those, i did find a cool bryazoan, another creature that may be a kind of graptolite, and a silicified section of crinoid. Thanks to those of you who helped me find the area... it is pretty cool. Sometime i'll be able to spend more time there, and i'm already looking forward to it.
  11. Dendritic graptolite

    G'day everyone! I have recently returned from a trip to NSW where I did a bit of collecting in exposures from the Gunningbland Formation (450 Million Years Old). I found this fossil on the last day of the trip and at first thought it was a bryozoa. Though, after a bit of observing and some comments from members of the forum, I believe this could be a dendritic graptolite? Graptolites have been recorded from the formation but I have not found any information on dendritic graptolites from Gunningbland. Any help would be much appreciated. Thanks, Dan
  12. Graptolites non det.

    From the album Invertebrates

    Graptolites non det. Silurian Vogtland Saxony Germany
  13. Graptolites non det.

    From the album Invertebrates

    Graptolites non det. Silurian Vogtland Saxony Germany
  14. Graptolite non det.

    From the album Invertebrates

    Graptolite non det. Silurian Vogtland Saxony Germany
  15. Graptolite "Pneumatocyst"

    From the album Invertebrates

    Graptolite non det "Pneumatocyst" Silurian Altmannsgrün Saxonia Germany The pneumatocyst was interpreted by Ruedemann, 1895 as a flotation device and indication of a planktic life style of the graptolites.
  16. Silurian (Niagaran Series) 2 items

    I have two items on which I am requesting opinions. These are from a dolomitic nodule from the Schoolcraft Fm. in the upper peninsula of Michigan. The first one I think is a pygidium of the trilobite Scutellum. (note there appear to be some other trilo"bits" surrounding it). @piranha, what do you think? Here is an image from Ehlers (1973) Stratigraphy of the Niagaran Series of the Northern Peninsula of Michigan that he has as Scutellum laphami.
  17. Was digging around in some boxes and found this specimen... it has a decent number of species on it! Although its nothing compared to another plate found at the site by some friends. We were going to split it but decided not to. Ended up having a couple hundred individual graptolites inside... but anyway! Sorry about the horrible pic as per usual. Early Ordovician (Bendigonian Stage) Bendigonian Formation, near Bendigo, VIC Australia.
  18. Graptolite or New Species?

    SE Minnesota, USA Ordovician Galena Formation I'm sorry I do not have a better pic but it went home with the guy who found it. I just hosted a Father's Day hunt and this was found. I would say graptolites but NO SAWTOOTH EDGES! It did not, in the field, to me appear to be crinoid. I have honestly not seen anything like it before. Maybe it is just how it fossilized, but this was a wow to me! He was pretty thrilled! I would be too! :-D Thoughts anyone?
  19. Hello Everyone Today my dad and I visited Bullengarook slate quarry to hunt for some graptolites. The site is aged middle Ordovician and was originally used for slate and gold mining in the 1800s I believe. There was many mine shafts still present and accessible at the site but I decided not to explore them. (Too creepy!). We arrived at the site at 1:00pm and spent the next three hours digging into the spoil heaps and splitting rocks. We came out with many beautiful examples of graptolites. Unlike Bendigo which has red graptolites, the graptolites at Bullengarook were the typical white carbon colour. Hope everyone enjoyed, Daniel
  20. Hello all! I was lucky enough to spend the afternoon today in the warm-but-not-too-hot sunshine at Mimico Creek in Toronto, ON (Georgian Bay Formation, Upper Ordovician), and I have a couple of things that I'd like you to have a look at: Picture #1: A view of Mimico Creek Pictures #2 and #3: A bivalve and a possible graptolite - what do you think? Pictures #4 and #5: An ichnofossil - do you think it could be Cruziana, or is it something else? Thanks so much for your help!!! Monica
  21. Clonograptus rigidus

    The thecae are more closely packed and shorter than in the similar Paradelograptus. Useful paper, with graptolite illustrations (Fig. 5), here: The Lower Ordovician Fezouata Konservat-Lagerstätte from Morocco
  22. 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 Skelgill (Skelghyll) in Cumbria, Northern England. It seems to be a tabulate coral, but I can't find any listed for this location, only mentions of small, rare, rugose corals. It has the star shaped corallites of a Heliolitidid, but seems to be tightly packed together like a Favositidid. A couple of species of Palaeofavosites seem to be close and are a bit star-shaped,, but anyone know any better? @TqB@piranha hmm who else? The coral bit, an external mold, is a maximum of 3.5 cm across and each corallite up to 2 mm.
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