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Found in a creek in Alton by the Piasa Cave. Looks like the exoskeleton of some arthropod. Any idea on what it is exactly?

Each square is one centimeter. What is this mould of? Thank you!

Howdy all, Found these in my usual spot in the Drakes formation. The first two look like some sort of bivalve, not a brachiopod. The second looks like some sort of coral.

Howdy all, This is something I've wondered for a while. What is the relationship between the Drakes and Kope formation and what are the differences?

It's been a long time since posting a trip report, but it has been a fairly active year despite the monkish silence as I try to be fairly circumspect about locations and where I am going. Last weekend was Thanksgiving up here, but I passed on turkey to spend some time solo far from home. Some very nice finds for two days from the Bobcaygeon Fm of Ontario. Time to share. First up, some field shots from the phone. First blood was a doozy. Within half an hour after sunrise, a cluster of Ceraurus globulabatis and Gabricerarurus dentatus. Not the nicest material, but I kept all the bits. There may in fact be more buried in this plate. It got a bit rainy, but I was undeterred. The rains eventually stopped and I kept at it for another 9 hours. Here we have a scrappy Calyptaulax callicephalus. Seriously exfoliated, and a bit too delicate on a flake to extract complete. It would not be the worst heartbreaker of this trip. Getting warmer to maybe finding a Ceraurinus marginatus. This is a wide pygidial array of spines of roughly 2 inches wide. The three individuals on the left are Raymondites, with a scrappy Flexicalymene senaria on top, and that same Calyptaulax photo-bombing this image. (continued)

Howdy all, Found this in my usual spot in the Drakes formation. Looks like some sort of concretion, what do y'all think? Louisville, Kentucky.

Found two parts of this the other day in Indiana, and after more inspection I found the other part down the slope. It appeared to have washed out of the bank and tumbled down breaking it into pieces.Any Help with this would be appreciated. Thank you.

Found this today, the one on the left. Not sure that I have even seen a fragment like this. Bumpy kind of like a crab leg.

Six new species of Western Australian trilobites discovered by Patrick Smith, Heidi J. Allen, Australian Museum PhysOrg Article the open access paper is: Smith, P.M. and Allen, H.J., 2023. Early Ordovician trilobites from Barnicarndy 1 stratigraphic well of the southern Canning Basin, Western Australia. Alcheringa: An Australasian Journal of Palaeontology, pp.1-58. Yours, Paul H.

so I am new to fossil hunting but have went out the past couple days and have had a blast. But I can not figure out how to attach photos! I select add photos, and nothing happens. What gives?

Ok guys. I am new to this and really enjoying it. Figured I would share a few photos and hope that someone would possibly help me out here. The 3 fossils I have no clue about were found within 30 yards or so of one another. I appreciate any help, and thanks for looking! Ordovician

New to hunting, and need help with ID, thanks

It has been a while since I have made a trip to a new spot, I had some free time last weekend and decided to head out towards some promising localities in Central NY for Ordovician fossils. Found a great place to go through some research and digging. I hit a couple different sections of the same area and found different specimens. I am guessing at some point I wandered out of the Utica fm. and into the Trenton fm. Pictures below, thanks for reading! I got to this one too late, but this could have been an A+ trilobite before it got weathered out. This find was pretty important for telling me which area to work in. 1. Partial trilobite that didn't necessarily break the right way with a cephalopod 2. Pyritized disarticulated trilobite partials. 3. Nice triarthrus head. Haven't done enough research to tell the difference between T. beckii and T. eatoni 4. Could be my favorite of the trip. Big cephalopod 5. Closest I got to a complete triarthrus 6. Good size but disarticulated. Found this one early. 7. This is where I believe I moved on to the Trenton. Looks like a flexicalymene cephalon. 8. Found this near the suspected flexi

This past weekend I spent the parts of 3 days collecting in Lawrenceburg and St. Leon, Indiana and well as up and down the AA Highway in Kentucky. Here are some random pictures of the sites I collected. Here are some miscellaneous finds- burrows, Trilo-bits, Bryozoan, horn coral, brachiopods, trace fossils, etc. My favorite finds are always hash plates. I love how they show a snap shot in time. Although I mainly collect Mazon Creek fossils, I still like nice hash plates from the Ordovician more, some of them have so much stuff going on. Zoom in on the pictures, they are really cool. Continued on next post-

I have had multiple trips this summer to my favourite localities in Hamilton, Ontario and Toronto. I dont think the winter of this season was severe to render a great deal of erosion since I couldnt pick out a lot of material surface wise. My first trip is at the Niagara Escarpment of Hamilton in which I visit many formations of the Cataract and Clinton Groups. Always keep an eye out on your overhead! These rocks of the Whirlpool sandstone (Cataract Group) on top of the Queenston formation can drop on any unsuspecting person! Below are some partial pentamerid brachiopods Pentameroides subrectus of the Reynales formation at Hamilton, Ontario. They look like pecans. My next summer trips were at the Humber River area in Toronto. I visited my favourite spots to check out what I can surface collect, since I was carrying light materials with me on those days without a hammer and chisel. Both the formations exposed at the Humber River and Mimico Creek belong to the late Ordovician Georgian Bay formation. And recently this Saturday I was at Mimico Creek in Toronto revisiting my old hunting grounds. I came across a nice Treptoceras crebiseptum slab, which I chiseled out of the shale with my hammer- before it fractured into many pieces. I also found a nice trace fossil which had a Cruziana sp. on it, but it had some oil grease on it for some reason. Usually, if the winter was severely cold, a portion of an exposure like this would be falling down to the bottom, revealing surface-collecting fossils. An interesting trace fossil i found but chose not to keep. In situ of the Treptoceras plate I chose to extract. Below is the nice trace fossil i decided to keep. Im a very picky person when collecting and I only the best specimens I can find. Another entirely separate exposure at Mimico Creek that I visited on the same day.

A couple of Fridays ago I took the day off of work to hunt in the Upper Ordovician. Shhh.... Don't tell my Boss! I started my day by digging around in a favorite site of mine. It is the first fossil bearing exposure that I managed to find via my own hard work and research. I'm rather fond of the place. The site is an exposure of the Drakes Formation. More specifically, in the basal unit of the Preachersville Member of the Drakes Formation. This specific layer is colloquially known as the "Otter Creek Coral Bed" or the "Bardstown Reef" (depending on the location of the exposure). Well known for it's abundance of large coral heads. Sorry for the lack of scale here. This one is the size of a bowling ball. About 1 foot (about 30.5cm) across Today I wasn't on the hunt for large coral. I have already brought home my fair share in the past. However, I did pick up a small specimen. It is an example of Foerstephyllum vacuum. The species name is derived from it's very small to complete lack of septa. Usually I find them here without any septa preserved, but I was please to find evidence of the septa in this small specimen. Here is another nice find. I believe this is the sponge Aulacera sp. (A. cylindrica?) It was broken into pieces and made for a real puzzle. I have found many fragments, but never anything I could piece together like this. I also found another one before the day ended. Not as long, but a nice example still. A few more pics from the field... Vinlandostrophia sp. Hebertella sp. Horn coral Grewingkia rustica After spending a few hours in the Drakes Formation, I decided to drive another 10 minutes down the road to an exposure of the Grant Lake Limestone. Another Upper Ordovician formation. You don't have to climb that high up in this exposure to find fossils, but the slope is steep and you need to go up 2 meters or so to get to the really good stuff. I channeled my inner goat and scrambled up. Here is a sampling of what can be found here. Bryozoan, brachiopod, gastropod, orthocone, and a bivalve steinkern. Vinlandostrophia are by far the most common fossil here. The place is lousy with them. Well, next to bryozoans anyway. It seems like nothing out numbers bryozoans in the Ordovician. Ha! Rafinesquina are found here, but are usually broken. Unless they are held together by a bryozoan colony like the top one in my hand. Pictures from the field: What follows are pictures of some of the finds I took home. This orthoconic nautiloid isn't very well preserved, but it's one of the longest specimens I have found in the Grant Lake Limestone. Various other orthocone bits. I usually only find steinkerns of Ordovician gastropods, so to find a few with visible shell fragments is a treat. Found in the Drakes Formation. These last two finds are exciting (for me at least). These are trilobite pygidia that I found in the Grant Lake Limestone. This is a very small example of what I believe to be a Flexicalymene pygidium. I've never found one in the Grant Lake Limestone and I have spent many hours here. An exciting first! Another exciting first is what looks to be a complete Isotelus pygidium from the Grant Lake Limestone. Isotelus fragments can be found all over the Upper Ordivician, including the Grant Lake Limestone, but finding any sort of recognizable part is rare here. It's covered in epibionts so it’s a bit hard to see. I'm still pleased with it. Some of the hitchhikers are interesting as well. All in all it was a great day. Much better than being behind my desk at work.

Hello! A friend of mine found this hash plate in his yard today. I'm hoping someone can identify one of the fossils in it for us. (Tennessee/Ordovician) Thanks!

Hiya everyone I bought a small collection of trilobites last week. most are labelled, except these 3. They're Moroccan, and my guess would be Cambrian or Ordovician.

I found this stem or branch of a fossil found it in Rockford il on a dried river, do you have any ideas on what it could be?

Can you help identify the following fossil, it is from the Ordovician period

Can you help determine if these are real as described and any steps I might take to further confirm the details? [seller verbiage removed -- Staff]