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Found 618 results

  1. On 3-18-17, Dallas Paleo Society had a field trip to the Black Cat Mountain quarry in Coal County, Oklahoma. Here are a few of my finds from the trip. The details on the site are as follows: Harangan and Bois D'arc formations. Age: Lower Devonian, approximately 419.2 to 393.3 million years ago. Brachiopods, and what I think may be some form of coral. Other side of the brachiopods, same side of the coral piece. Other side is just bare rock. Crinoid columnal section Brachiopod bits & crinoid columnal section Random broken bits on a hash slab, brachiopod shells at top. Brachiopod, Leptaena sp. Thanks for the ID help, @Kane! (Continued in next reply... )
  2. Just trying to nail down a species ID for this coral (part of a much larger chunk with some interesting epibionts) found in the Dundee Formation, Devonian. I know IDing corals is never all that easy without sometimes doing slices, but the corallites here are fairly distinct and matrix-free. Any help would certainly be appreciated so I can label this one for display.
  3. Hi all, I recently acquired a bunch of Haragan/Bois D'Arc formation trilobites, and now comes the fun part: identification! I would be hugely appreciative if you could tell me subtle differences between the various Huntoniatonia species, along with the differences between the phacopids (Kainops raymondi, Paciphacops campbelli, Lochovella deckeri & Viaphacops bombifrons are all of them?) Lastly, there's a Scutelluid trilobite that came with the lot. Not convinced it's a Breviscutellum..I have seen mention of a second Scutelluid...I'll include a picture: Thank you! Cheers, Marc
  4. I live here in Iowa which is rich in devonian fossils. I have all the gear and I know how to properly clean fossils. The only problem is finding a place that I can look for fossils. I've tried getting access to some limestone and shale quarries but nobody wants me there because I'm considered a liability. Any suggestions on what I should do?
  5. (Paraconularia chagrinensis) some devonian conulariids preserved in phosphorous concreations from the chagrin shale formation. Leroy, Oh
  6. Mystery circular, ridge and groove fossil. This fossil is a slightly oblong to circular fossil ranging from 5mm in diameter to 12mm in diameter. It is composed of a series of ridges and grooves radiating from the center to the edges. At the center, the ridges do not connect to a central point (at least in no example that I’ve found). Very few examples show the central feature, but in the best preserved of them, which appears to be complete (see photo) there is very small central circular depression and the radial ridges and groves terminate at the rim of the depression. That example may also show remnants of a stem fragment or other object in the central depression, but it is not clear. From the better preserved specimens it is easy to see that the fossils in question are three dimensional, rising from flat rock surface at the edge to the raised central depression. However, most examples are missing the top third or half of the specimen (see second photo). In those cases, the fossil presents as a narrow ring of grooves and ridges with a large flat top and no obvious internal structure. The number of ridges varies from 35 or so to over 60, but they are hard to count because what starts out as a single ridge at the top (near the depression) sometimes branches into 2 ridges at the bottom near the edge. All of the specimens that I’ve found seem to be flat and secure to the rock on the bottom. I haven’t tried to separate it from the rock to see if there are any details underneath. These are common fossils at a site in Hedgesville, WV. Jasper Burns, in his book Fossil Collecting in the Mid-Atlantic States, dates these rocks to the Devonian, specifically the Mahantango formation which I understand was laid down about 392 and 385mya. In the same rocks, I’ve found plentiful shell fossils of numerous species that I haven’t identified yet, including, in one instance, a very small shell fossil trace embedded on the mystery fossil above. Burns’s book doesn’t appear to discuss this fossil in his chapter on the same locality, and I haven’t had any success even using Index Fossils of North America. From some photos online, my best guess is that it may be a crinoid segment, although they all seem to lay perfectly flat, and I wonder if it may be a holdfast of some sort. Any help would be appreciated. Thanks, Alex
  7. Just picked this and a similar one up this morning. This is a Devonian , Brallier/Harrell formation, raod cut a few blocks from my house. Is this a preserved track and (I know its indistinct) and if so from what kind of critter? Any help is appreciated.
  8. Hi Folks, Was wondering if you could help me ID these two fossils. Both were found in Schoharie creek and are Devonian from, I think, the Gilboa formation. The first I think is a bryozoa but someone mentioned it could be a gyracanth fin spine due to the bone-like texture. I could the best photos I could using a tripod and a nikon 3300D
  9. A new study led by the American Museum of Natural History (AMNH) provides the strongest evidence to date that sharks arose from a group of bony fishes called Acanthodii (‘spiny sharks’). Analyzing a well-preserved fossil of Doliodus problematicus, a sharklike fish that lived 400-397 million years ago (Devonian period), John Maisey and co-authors identified it as an important transitional species that points to sharks as ancanthodians’ living descendants.
  10. Hi brachiopod lovers I wonder, is someone in this forum interested in exchanging fossils? Maybe this is an interesting proposal for you: I have devonian brachiopods from France, Belgium and Germany and some nice ones from the jurassic of Spain to offer. There are a few miscellaneous fossils too, for example neogene and devonian gastropods, shark teeth from Germany and cretaceous echinoids from Spain. I´m looking for devonian brachiopods, without any preferences. (But any other devonian fossils are welcome too). If you´re interested, just send me a PM. The attached pictures show only some examples, there are 56 pictures with 43 different brachiopod-taxa. I prepared a small google-album and i will give you the link ;-) Cheers, Nils
  11. With the nice weather we have decided to head to Texas and tiptoe through the Cretaceous. First stop the NSR in Ladonia hope its not to picked over if anyone has any suggestions of other areas of the NSR they would be welcome. We will be staying in Florence, Tx and doing trips up to Waco and west of I-35 over to Abilene. Around the 3rd of April headed north collecting as we go Lake Texhoma, black cat mountain, maybe white mound. Would any forum members have any suggestions on sites in southern Oklahoma?
  12. Hi, does anyone know a good book on Devonian paleontology, especially the flora? Thanks, Dom
  13. Hi this is Matt again I have 3 favosites fossils I have found in the creek I wanted to show everyone here are 3 photos
  14. Hi Folks, I was hoping for some help with this plant fossil. It is middle or lower Devonian from, I believe the Moscow fm. as it was found near Gilboa NY. Is has a very distinctive offset pattern of 1 and 2 little indents going up it and the general shape does not make me think moss or bryozoa but rather plant stem or tree shoot. Hopefully the pattern will make it easy to ID. Thanks in advance, Dom
  15. So I went out to the Gilboa area yesterday and found some stuff. I looked along the creek and then to another spot I found near Conesville NY on a part of the watershed. The main issues with these type of rocks is that they split in weird ways and it is tough at first to figure what rocks are holding fossils. That being said, some of the best specimens I have found gave no hints they held fossils at all. One of the tricky parts is learning to id really weathered fossils while walking around and then looking for naturally created stress fractures in them. The new spot I found was really productive compared to where I was going in Gilboa. I left a ton of fossils where I found them because they were mostly plant hash or not really identifiable. So here is some of what I took home. this large curved branching piece that is half weathered:
  16. Hi Folks, Found this fossil yesterday. It is Devonian from the Gilboa formation in New York. It might not even be a fossil but I was thinking a trace fossil or a squished plant. Any insight would be appreciated.
  17. Was able to get back out to Schoharie Creek in Gilboa on Sunday. The weather was pretty good, not too windy and there was not any snow on the ground. I water was higher than last time so I looked mostly on the banks. There is a big flat area that I want to check out sometime as well as the roadcut on the closed road. Found some nice stuff but nothing spectacular. This big rock with branching stems. The rest of the rock is covered with them in different layers.
  18. Vision, not limbs, led fish onto land 385 million years ago Northwestern University, March 7, 2017 The paper is: MacIver, M. A., L. Schmitzd, U. Mugan, T. D. Murphey, and C. D. Mobley, 2017, Massive increase in visual range preceded the origin of terrestrial vertebrates. PNAS, DOI: 10.1073/pnas.1615563114 Yours, Paul H.
  19. Hi all, I'm fairly new to this forum and fossil hunting in general. I need help identifying these, idk if they are coral, sponges, posibally bone or what. These were found in NE Kansas, in a rock deposit full of bryzoans, bivalves and other oceanic fossils. I do know the majority of these fossils here come from around the Cambrian through the Permian periods, however there have also been a few ice age fossils in the area, so that may help. Thanks a lot!
  20. Hi all, A few months ago I was hunting in a hill that had been split for construction and found an abundance of fossiliferous limestone. I could identify most species, which consisted of mostly bivalves and brachiopods. I was thinking these were a type of brachiopod, but I haven't been able to place my finger right on it. Help is appreciated, and thanks as always!
  21. This conical, segmented, fossil was picked up off the shores of Lake Ontario in rocks that contain a lot of bryozoan and crinoid fragments. I think it is Devonian, but could someone help me confirm that, and help me understand what this fossil might be?
  22. I decided to take a quick trip to some old collecting spots which I read about online. Apparently it was a good decision since nobody has been to them in a while and they seem to have been mostly forgotten since people are so busy in today's society these sites aren't picked over as much as some I have been to.
  23. Hi all. This is my first post to the ID forum. I'm stumped on this one. It was found near Kingston, NY. Comes from Middle Devonian Hamilton Group (probably Marcellus Fm). Matrix is a brownish-gray shale. It's a mold of something with small branching (or budding) tubes, dense transverse rings, terminating in cone-shaped depressions. My first guess is some form of branching rugose (horn) coral, where each terminal cone is a corallite. But I wonder if it might also be a sponge -- though sponges usually don't preserve like this, right? In the pictures below, the scale bar has divisions of 1 cm, and in the last photo there is a penny in the background for scale. Thanks for any ideas... Bob
  24. 400 million year old gigantic extinct monster worm discovered in Canadian museum University of Bristol, February 21, 2017 Mats E. Eriksson, Luke A. Parry, and David M. Rudkin, 2017, Earth’s oldest ‘Bobbit worm’ – gigantism in a Devonian eunicidan polychaete. Scientific Reports, 2017; 7: 43061 DOI: 10.1038/srep43061 Yours, Paul H.