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  1. Hello, I made a schematic of the Paleozoic the other day. schematic is probably not the right word for it but it's the best one I can think of, it's supposed to show the periods inside the Paleozoic and while not being perfectly accurate the idea of this thing is to give you a visual general idea of how long were the periods of the Paleozoic and some important events. It's not meant to be perfect but if I have any mistakes in the timeline I would love to know about them especially because my sources of information weren't great. I know it's not scientific at all and pretty poorly made, I am sorry if this is not appropriate to upload here because I know it's not directly fossil related. So as I said I would love to hear anything you have to say about this tiny project.
  2. Hello, I have a question about the great ordivician biodiversification events (GOBE). I know this series of events happened between the late cambrian and the late ordivician but are there more specific dates for it? For example like the great dying was about 250 million years ago. I couldn't find anything more specific then late cambrian to late ordivician but if you know something more specific or you know that there isn't a more specific date please tell me, I would love to know!
  3. I prefer to find my own fossils, but over the years I've been given a handful of things by friends and family. Most of these were given with no accompanying information about the location where they were found or the geological age. I'd be very appreciative of any information people here can give.
  4. Hello everyone, I recently got some fossils from Russia, some plant remains from Perm Krai where I grew up and a couple of Productid brachiopods from Sverdlovsk Oblast. They are from the Artinskian stage of the Permian period, one is around 2.5cm in width while the other even though incomplete is absolutely gigantic, the largest I have in my collection. I am not great at identifying Productid brachiopods and the Permian is probably the period I have least experience with within the Paleozoic so I have not been able to ID them myself. The large one looks similar to some Reticulatia sp. I've seen online but all of those are smaller so I don't know if that's accurate, the smaller one I have no idea. Thank you for any help, Misha
  5. Hello everyone, I apologise in advance for the lower quality photos, my phone is quite old and the camera is going. Anyways, I was down in Cape May this past weekend and I decided to beach comb on sunset beach. i found several interesting items, and I was wondering if I can get some input regarding what they are. The first two images seem to be a similar type of fossil (if it is one). I am wondering if it could potentially be Paleozoic (if anything?). However, I am not sure exactly what it is, nor the material that it is made of. The third image I think could be coral, but I am not sure what type or how old given that it is out of context but any info would be appreciated. The last two images involve an interesting one. Now, for context, I have a background in Paleoecology and Taphonomy, and have had to id thousands of bones that date back as far as the Pliocene. While this could undoubtedly be a rock, (it always can!). However, for me...it really, really, looked like water rolled bone. In the last image, you can see that it is quite porous (in a way that looks more like cancelous bone) and the rock in itself is quite light. If it is bone, it would be quite old...but still, i am undoubtedly open minded that I could be wrong and it could just be a rock! What do you think? Anyways, thank you so much for taking a look!
  6. AlaskaMan

    Trying to Identify Marks on Geode

    I found what I think is a geode in a small stream here in Vigo County, Indiana. Brought it home and discovered all these unusual circular patterns along the narrower edges. Looks like urchin but I have not been able to find a similar type online. It does not feel hollow. Has anyone seen a similar surface patter on another specimen?
  7. I've had these for close to 20 years now and have shown some of them before but figured it was time to do a proper job of looking for info. (If I did before, I can't find the topic) I know nothing about these, either ID or location. They were part of a batch of fossils I received from an old rockhound couple in Nanaimo, which wasn't too carefully curated (a common problem with rockhounds/casual fossil collectors). Looking for info on the mystery items from that lot is what brought me to the Forum in the first place more than 10 years ago. I know Riley's Canyon, Utah has red corals, but lately I'm seeing them from other places like Arizona also, so I'm not at all confident. It's a reasonable assumption that they're from somewhere in the US Southwest as it was (and is) common for rockhounds in our area to travel down there in the Winter for better weather and abundant rockhounding options, but that doesn't narrow it down much. Any ideas? Not all of them are preserved in red color, as you'll see below, so I'm not sure they're from the same place, but they were kind of bundled together when I received them. For reference, I'll number each pic. 1: The lot 2: 3: 4. Sliced end: 5. Sliced pair: 6. Some seem to be water-worn to some degree - these ones more so: 7. Is this a sponge? 8. Chaetetid? 9a/b. These are the ones that have little/no red, so I'm not sure if they're from a different location or just a different preservation from the same site: The larger piece is sliced. 10. This one looks different again, so it could be from a third site....
  8. Is anyone familiar with the Paleozoic formations on Bear Mountain, just northwest of Silver City, New Mexico? I have collected there a couple of times but am unsure as to which formation I was sampling. My first guess is that it is the Andrecito Member of the Lake Valley Limestone (Mississippian (Early Osage) but I know that there are also fossils found in the underlying Devonian Percha Shale, especially east of Silver City. There are a variety of brachiopods, bryozoans, rugose corals, and some crinoid bits. The photos show one of the larger brachiopods. Do you recognize it? Thanks.
  9. paleo.nath

    Colonial Rugose Coral ID

    This colonial rugose coral was found in Clarksville, TN and was sent to me just a few days ago and i’m not very well versed in Cnidarian classification, any ideas on a species?
  10. Crankyjob21

    What the heck is this?

    I don’t know where it was found or how old was it is. I found it at one of the cave the mounds sleuthing sites in Dane county Wisconsin, its about 3cm long and looks a bit like coral.
  11. paleo.nath

    Sphenopteris?

    This fossil was found at the North Attleboro fossil site, and I’ve had it marked down as a species of Sphenopteris but i’m not 100% certain
  12. Praefectus

    Schellwienella sp.

    Fossil brachiopod Schellwienella sp. EDIT: Updated pictures and stratigraphic information.
  13. Praefectus

    Diaphragmus cestriensis

    Fossil Brachiopod Diaphragmus cestriensis EDIT: Updated pictures and stratigraphic information.
  14. paleo.nath

    Eurypterid ID help

    I was given this Eurypterid fossil a while back and I was looking to see if anyone had any ideas towards a species, i’ve got no idea where it came from other than somewhere in the New England/Canada area. Someone has told me it looks like an Adelophthalamus but id like some more opinions. Thank you
  15. Moose Man

    Cephalopod fossil?

    Relevant info first: This was found in Petoskey Michigan while looking for Petoskey stones. It was found in partially buried in sand. It is quite large and rather heavy. As pictured in picture 5, there is some sort of opening at the end? I can't get a very good picture of the inside, it's hard to get light where i need it and take a picture. the hole looks to maybe be about a 1/2 mm deep, and less than that wide. I took to reddit, albeit with less detailed photos and was told it was a straight shelled nautiloid cephalopod from the paleozoic, and that it was a brevicone, which I'm hoping someone can confirm or deny, or point me towards relevant info. I was trying to find more and found this on your forum, which is the first thing I've found online that actually looks something close to what I have: Anyways, Thanks for looking, and any help you can offer.
  16. Crankyjob21

    The heck is this?

    Some sort of badly damaged arthropod? Do not know where it was found. Wavy lined one is around 2 cm in length Thicker one which looks like a head shield is around 1 cm in diameter and one in a half cm in length
  17. I'm working up a series of fossil field guides for various formations. I'd like to provide a visual indicator of which fossils are rare, which are common, and which are abundant, without getting in the way of the visual layout of the fossils & identifying information. The complete set of categories I am working with is {Abundant, Common, Rare, Very Rare, Common to Abundant, Rare to Abundant, Rare to Common, Present, and Questionable}. Has anyone seen a good way that a field guide of any kind has provided such a visual indicator as a page-wide element of visual layout? Attached is my first draft for the brachiopods of the Zaleski Flint Member of the Allegheny Formation (Pennsylvanian) of Ohio. All feedback welcome! Thanks.
  18. Texrig

    Brooks range fossil

    Looking for a bit of assistance in identifying a few items... this one was found while hunting the brooks range.. they could be found everywhere at our drop off site.. mountainous valley with creek beds... Close to Happy Valley Camp
  19. Misha

    Bunch of Brachiopods to ID

    Hello everyone! I recently received a package from @connorp filled with wonderful brachiopods! I am not exactly sure as to what the IDs for some of them are so I thought I would ask here Any help is greatly appreciated! Thank you 1. Silica shale. These look like Atrypa sp. but I am not sure what species are present in this formation. 3 cm wide 2. Same formation. Stropheodonta? 2 cm wide 3. This is from the Ordovician Liberty Formation. Rhynchonellid not sure what genus or species 1.5 cm wide 4. Some kind of strophomenid from the Mifflin Member of the Platteville formation 1.5 cm wide 5. Same formation .5 cm wide
  20. Top Trilo

    Eurypterid walking legs

    I have one simple question, How do we know eurypterid walking legs are legs? I find eurypterids to be one of the strangest Paleozoic creatures and while looking at some pictures of them I noticed how similar eurypterid walking legs and wobbegong mouths are. I have not seen yet just a single eurypterid walking leg fossilized alone. Any help would be appreciated thanks in advance
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