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Found 8 results

  1. flowntheloop

    ID Help with Small Seed Fern

    Northeast Alabama. Pottsville Formation. Beautiful (and tiny) fern fossils I found a couple of days ago. I would love some help with an ID (or even someone to point me to a guide)! Photos are from my cell phone, but I plan on taking more with a better camera this week
  2. Fossil or accretion? Hiking in New River Gorge National Park, Castle rock trail. Saw this on one of the walls of what I believe to be sandstone. Pretty sure this is an imprint fossil of maybe a seed fern trunk. This maybe the first fossil, if it is a fossil, I've ever identified without some guidance, or knowing I was in a fossil rich environment.
  3. Psittacosaur9

    Triassic Plants ID

    Hello everyone, and hope you've all had a good day so far. I am currently having a break after putting most of my bookcase together. Here are some fossil plants found in the Triassic layers of the Sydney Basin I would like identified if possible. As before, I would like the most specific identification possible, but don't mind genus or clade names if they'd be more accurate. I know the general location for these, so don't worry about that. If you need more photographs for a proper identification, I can take more in a couple of hours or tomorrow. Specimen 1: Shale plant fossil This fossil was found by a friend in the shale rock layer in the Northern Beaches region. This makes it Triassic in age. I read this document (https://www.researchgate.net/profile/Gregory-Retallack/publication/241677571_Geological_excursion_guide_to_the_sea_cliffs_north_of_Sydney/links/55d2119008ae0b8f3ef776a9/Geological-excursion-guide-to-the-sea-cliffs-north-of-Sydney.pdf) and after comparing the plant to various images on the document, I came to the conclusion that the plant was a specimen of the seed fern Dicroidium. Is this an accurate identification? Specimen 2: Plant Assortment This assortment of various plant fossils was found by another person I used to know in the Sydney Basin. I assume it is Triassic, as the vast majority of exposed sedimentary rocks in Sydney are of that age, although it might be Permian. I do not know the exact region. There seem to be multiple different plants on the slab, and they seem to be more poorly preserved than the shale layer plant. Does anyone know what they are? Also, do any of you have any tips for getting better images? If I take any more, I'll probably use my SLR camera, as my phone's camera is terrible. Thanks for the help! Edit: Changed the title to make it more obvious this is a new thread.
  4. TyrannosaurusRex

    Texas Permian Hunt

    In my continued studies of my local Permian areas, I came across information on a site that I hadn’t been previously aware of. I’m working on a paper describing the outcrops in the areas near to Taylor, Baylor and Archer counties, as well as some close outliers when I come across them. Information on this site Clear Fork (Permian) 298.9-251.902 mya Lots of siltstone at this specific site, which is why there are tracks present. All the fossils came from an area about 10 x 15 ft in an outcrop that has weathered away, there’s lots of siltstone surrounding but the fossils were very specific to one small area of this outcrop. Not entirely sure why this is the case yet, but I’m reading up on it. Lovely view of a pond from atop the hill several feet above the exposure. Looking back down the hill at the localized exposure. A small amount of limestone in the adjacent area. Some of the seed ferns on the ground prior to being picked up. Great spot for splitting the siltstone, the ferns were beautifully preserved in the layers. The haul after being gently cleaned, the siltstone doesn’t stand up well to water at all. Delrnotea Abbotii Seed Ferns I collected lots of examples, but these are some of my favorite. Plant Material There were some examples of layered plant material, perhaps just stems from the seed ferns lying on the ground and decomposing. This one has me stumped, it might be water droplets, but I’m not sure yet. Any information or identification is very welcome! Tetrapod tracks, potentially Laoporus? Other Ichnofossils, they appear to be tracks, and some of them might be arthropod. One looks to be amphibian. Getting lighting to show the tracks is pretty tricky since they wash out under bright light. Some sort of drag marks, very strange. Indeterminate, two toes are clearly visible at the bottom right. Probably not enough to identify. Again, I don’t think enough for ID on some of these. top right This one may not be a track, it lacks the impression that the others have, but it stood out a lot so I picked it up in case. Potential Amphibian tracks, one is smaller and is going the opposite direction of the larger. I’m new to tracks and ichnofossils in general so I could be completely wrong. Not fossils, but these pieces of siltstone were pretty interesting. The white coloration goes completely through the stone. No idea what could cause this. Thanks all!
  5. Petalodus12

    Carboniferous Plant Hunt!

    With the semester having ended yesterday, I figured I would go hunting today at one of my favorite Carboniferous plant localities. It is located in Southwestern PA, and is in the Connellsville Sandstone member of the Casselman Formation, which is in turn part of the Conemaugh Group. It is late Stephanian in age. The Connellsville Sandstone itself represents a fluvial deposit made up of sediment from the then young Appalachian mountains. It is a very thick and massive layer; because of this it has been quarried for building stone for hundreds of years. The locality that I collect at is in a valley that was once heavily industrialized with a railroad, coal mines, oil wells, and sandstone quarries. These quarries were located in the Connellsville and their cliffs can still be seen today. The specific deposit I collect at in this valley most likely represents a slow moving area of the river, where deposition was rapid in times of high water. It preserves a classic post-Rainforest Collapse flora, with seed ferns, tree ferns, and Calamites being the most common fossils. Lepidodendron and other lycopods are rare to nonexistent. In the 1960s, W.C. Darrah, a paleobotanist, collected here and found one of the earliest examples of the conifer Walchia. Vertebrate remains can be found here, as shown in my most recent post. I assumed that today would be a mediocre trip, as rain was in the forecast and the ground is covered in leaves. However, the rain let up before I arrived at the site. Due to the lack of foliage, though, I was able to explore some areas that were once quarried for sandstone. I noticed an area made up of finer-grained sandstone, and thought that it might have fossils. Upon further inspection, though, it lacked fossils but was full of massive rip up clasts of soft shale. These showed that the river was eroding through a deposit of unconsolidated clay and then subsequently depositing these chunks down stream. I had never seen rip-up clasts in such large numbers and in such a large size, so it was great to get to see it. I then carried on to the plant locality. The plant locality was not at all covered in leaves, and due to the weather I had it all to myself. I concentrated my efforts on specific lenses of plant material that represented areas of quiet deposition, perfect for well preserved plants. I found some good stuff, as is shown below, but my favorite find was that of Cyclopteris fimbriata. It is a strange form genus of leaves that grew at the base of seed fern fronds. I had found Cyclopteris fossils before; however, this was the first time I had found one of the fimbriata species. The name says it all: their edges are marked by fimbriated projections of leaf tissue. It was certainly interesting to see some new material today. I also found my largest Neuropteris ovata frond thus far, and, although it wasn't perfect, it was a welcome discovery. All in all, it was a great hunt and it was nice to be out in nature!! Hope you guys all have a happy and safe Thanksgiving! View of the old quarry: The rip-up clasts: The plant locality itself, as I said before it is a shaly layer of the Connellsville Sandstone, most probably representing a backwater of a river: Pith cast of a Calamites: Annularia stellata whorls Cordaites sp. A new species for me and the strangest looking find, Cyclopteris fimbriata: My largest find, as well as my largest plant fossil to date: Either Neuropteris or Laeveinopteris:
  6. Hi all, Upon examining some of my finds from this hunt about a month ago, I realized that there was an anomaly on one of the Neuropteris ovata pinnules. Initially I brushed it off as nothing more than an anomaly, but last night while I was doing some reading I came upon an intriguing paper on insect galls from the Carboniferous. Some of the gall fossils included bore a striking resemblance to the gall on my frond, and so I figured I would make a post to see if any of you had an idea on what it could be. Here is the frond, in full view: Closer inspection of one of the pinnules reveals a small, oval-shaped bump: This bears a striking resemblance to some of the galls included in this paper (it is not paywalled). Specifically, it resembles #7 in the first figure. I hesitated to include the image directly in this topic so as to not violate any Forum rules (if it is not a violation I can include it here as a reply). https://www.researchgate.net/publication/250613622_The_Seeds_on_Padgettia_readi_are_Insect_Galls_Reassignment_of_the_Plant_to_Odontopteris_the_Gall_to_Ovofoligallites_N_Gen_and_the_Evolutionary_Implications_Thereof Although it superficially resembles a gall, I am looking for other opinions as I have no experience in this field. Here are my thoughts on why it could, or could not be a gall: It could possibly be a gall for multiple reasons. First off, the morphological similarity is quite striking. Secondly, the paper states that ", occurs commonly on a variety of seed-fern foliage throughout the late Middle Pennsylvanian to Early Permian". This is from a late Pennsylvanian deposit (Connellsville Sandstone of the Conemaugh group) so it fits quite nicely into that time frame. Also, epibionts are quite common in this deposit, specifically Microconchus. They are preserved in a relatively similar fashion (mold-cast). There are a few reasons why it could also not be a gall. First of all, I have never heard of galls coming from deposits in the Appalachian basin, though this may simply be due to my own ignorance and/or a lack of literature. Also, this anomaly is isolated, which is a derivation seen from many of the galls included in the above paper. Finally, random nodules and concretions do occur sporadically throughout this deposit, so it could always be mineral growth. And finally, my simple lack of knowledge prevents me from making a confident ID either way. So, what do you all think? I'd love to hear some of your opinions as to what it could be! And on the off chance that it is a gall, should this specimen be donated?
  7. Petalodus12

    Late Pennsylvanian Seed Fern

    Hi all, Here’s an interesting plant find. I discovered it in a locality in Western PA known for producing good plant fossils. I’m thinking seed fern, maybe related to Alethopteris somehow but to be honest I’m not sure what the species is. Any help would be appreciated. Thanks in advance Stratigraphy: Connelsville Sandstone of the Casselman Formation of the Conemaugh Group. Age-Late Pennsylvanian, ~305 MYA
  8. Kpitch

    Pennsylvanian Plant ID Help

    These fossils were found in Westville, IL (Vermillion County) a long time ago by my great grandfather (the grey/black fossil; he worked in the coal mine), and my dad (the light brown/reddish one; on a slag heap). After reading this Publication Title: Guide to Pennsylvanian fossil plants of Illinois Publication Type: Geoscience Education Series Author: James R. Jennings Year: 1990 and looking at a number of photos for comparison, I am wondering if these are Alethopteris sertii? (other guesses are Neuropteris and Acitheca). At least that is my (un)educated guess after desperately trying to make sense of the Jennings paper. Also, on the first photo within the green box I noticed that the foliage has two different looks to it. Were the individual leaves (?) different or is this a result of the way the plant was fossilized? I appreciate all corrections and additional knowledge/comments on these two fossils. This forum identified a nautiloid I have, and I am so appreciative of the feedback and support you give!
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