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Found 37 results

  1. Graptolites non det.

    From the album Invertebrates

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

    From the album Invertebrates

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

    From the album Invertebrates

    Graptolite non det. Silurian Vogtland Saxony Germany
  4. 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.
  5. 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.
  6. 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.
  7. 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?
  8. 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
  9. Didymograptus extensus, Hall 1858

    Graptolite collected from Spring Gully, Bendigo, Victoria.
  10. Tshallograptus tridens, Hall 1858

    Graptolite collected from Spring Gully, Bendigo, Victoria.
  11. Phyllograptus typus?, Hall 1858

    Graptolite collected from Spring Gully, Bendigo, Victoria. Believe it is P. Typhus but not sure. P. anna maybe?
  12. 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
  13. 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
  14. 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.
  15. This rather tasty, large graptolite just arrived after a surprise auction win. It's labelled Clonograptus rigidus Hall which seems reasonable though I'm always being caught out by these. The location is given as 25km north of Zagora (should be OK?) but the age is given as Floian stage when I'm pretty sure it should be Tremadocian, probably Murrayi Zone. ( @Spongy Joe - I guess you've seen a lot like this... )
  16. Here's a mystery fossil from the Lower Ordovician Fillmore Formation of Utah. My initial impression is it must be a graptolite, but I've never seen any graptolites from this formation with this structure and I can't find any graptolites in my research that look like this. The other thing that's throwing me off is the "rod" running down the middle is preserved actually fairly 3d where every graptolite I've seen is preserved as just a flat film. For reference the specimen is about 2" tall including the middle section still covered in matrix. Any ideas?
  17. This past weekend was the 50th annual Rutgers Geology Museum open house, which was an excellent opportunity to attend guest lectures by professionals and also a chance see the museum's collection. The event was very well attended, and in between lectures (the lecture by Dr. Isaiah Nengo on his work with Nyanzapithecus alesi was excellent) seeing the museum was a hurried, crowded affair. The museum building is a tall 19th century structure with many large tall windows, so on this sunny Saturday sun glare on the glass cases was unfortunately a real and unavoidable problem. Nevertheless, I made an effort to get some photos of the museum to share with TFF. The Mastodon is a Salem County NJ find. Particularly exciting for me as a huge fan of Phytosaurs was seeing their specimen of Rutiodon manhattenensis, which despite its specific name was found on the New Jersey side of the Hudson. Yet another example of New York stealing New Jersey's credit! Hidden in a corner (it was packed in there, things crammed into corners to make room for tables) was a skull of Mosasaurus "maxmimus" which I'd have loved to known more about since it was apparently a New Jersey find. Alas, no more info than that. Next to it was a cast of the original find Mosasaurus hoffmanii from the Netherlands, which was neat to see in real scale.
  18. Wrens Nest Graptolite?

    Dear all, I recently went for a trip to Wrens Nest and found this small, what I believe Dendroid Graptolite. It measures ~2cm (apologies for the poor quality of the image). If anyone could suggest a Sp. ID, or even if it is a Graptolite that would be very much appreciated. Thanks, Tom
  19. After missing out on a superb one of these when the bidding went a bit crazy, I was pleased to pick this up for very much less . The plate contains a large piece of Paradelograptus tenuis, mixed up with broken bits of the same and also Kiaerograptus. Lower Ordovician, Fezouata Formation, Zagora region, Morocco. (I think the seller's ID is OK - graptolites can be very tricky and I haven't checked it in depth but it matches one (fig 5B) in this paper on Reseachgate: Ordovician Fezouata) I've roughly photoshopped it in photo 2 to show the single specimen and added a mirror image in photo 3 to reconstruct its other half (which was present in the one I couldn't afford - I wonder if anyone here has it? ). Other graptolites brushed out: Doubled up:
  20. Graptolite

    The reverse of this piece has specimens of Tetragraptus serra. and this side shows fragments of other graptolites, possibly Tetragraptus and / or other Dichograptids.
  21. Adam's Ordovician.

    A nice Dictyonema flabelliforme dendroid graptolite from Oslo Fields in Norway. It's Tremadoc, Lower Ordovician in age and is thus maybe around 480 mya. Another angle :
  22. One of a number of spiral monograptids from this period and a zone species, these have all been referred to Monograptus at various times as well as separate genera based on rhabdosome form which may not be of significant importance. It is bisected by an unidentified straight Monograptus. Reference for ID (as Monograptus spiralis): Elles & Wood 1901-1918, Monograph on British Graptolites, Pal. Soc. Monograph 33. (Plate XLVIII, fig. 7). Now generally referred to Oktavites Levina, 1928, e.g. in J. A. Zalasiewicz, L. Taylor et al 2009, Graptolites in British Stratigraphy, Geol Mag. 146, pp. 785-850. And here: http://fossiilid.info/9458
  23. Orthograptus calcaratus

    A common scandent, biserial form, frequently found alongside the zonal species Didymograptus murchisoni at this famous locality. The individuals on this surface are current aligned. Reference for ID: Elles & Wood 1901-1918, Monograph on British Graptolites, Pal. Soc. Monograph v.33. (Plate XXX, fig 6)
  24. Hi everyone, I've collected all sorts of fossils from the Silurian Wenlock Series limestone's of Much Wenlock. And searched for graptolites with no success until now, my son was counting pygidium imprints on this silurian limestone piece and spotted something unusual. Well lo and behold we have what appears to be our first graptolite. I've so far pinned it down to be Monograptus priodon or Cyrtograptus murchisoni. Anyone else have a similar success story.
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