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I recently bought a bunch of trilobites from an old collection. The seller didn't have much information on the trilobites besides them originating somewhere in the midwest. (He bought the fossils as part of a collection). I'm wondering if anyone recognized the possible formation they could have originated from and the IDs of the trilobites? Here are the photos:
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Hello everyone. I'm making this post to show my recent trip to Central New York and what I found. I would also really appreciate advice on better techniques and further identification. I started the trip by entering Tully, NY. I had heard there was a good site behind the hotel, right next to the exit. Unfortunately, the large exposed rock face was now marked with do not trespass signs. I decided to drive around the old quarry there and eventually found a random pile of rocks that I assumed were from the quarry to dig through. In there, I found the first two fossils. Two pieces of Crinoid stem and a nice little Brachiopod. (Photo 1). Then, after doing a bit of research, I decided to head to Madison County. In Madison, I found an old quarry on Brigs Road. The quarry was divided into two tiers, and the top seemed to have a lot more fossils. After sifting through some of the rubble, I found a Trilobite section (photo 2) and a Trilobite imprint (photo 3). At the base, I also found several Brachiopods (photos 4–6). Most interesting, though, I believe is (photo 7), which appears to be a Crinoid feather segment, which are considerably harder to find than their stems. Finally I went down a ways to the Deep Springs Road quarry. This one had three tiers but I decided to focus on the top one. I dug in two areas. one halfway up the top tier and the other at the very top. Both proved very productive in trilobite sections. From this site, I recovered (photos 8-10). Unfortunately, no complete Trilobite was found. Interestingly, photo 8 had very fine preservation of the eye and intricate detail can be made out. Overall, this was a great trip and I found some interesting stuff, especially since I had rather limited tools, using only a hammer. The main take aways are the high abundance of Trilobites in deep springs and the dense Brachiopod death layers in Brigs. I'll have to come back with better equipment to further investigate. Photo 1: Photo 2: Photo 3: Photo 4: Photo 5: Photo 6: Photo 7: Photo 8: Photo 9: Photo 10: Briggs Road:
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Are these cephalopods in chert? They appear to be agatized as well. The first two pictures are from a chunk of chert and agate that I split to find what looks like the chambers of a nautiloid cephalopod. Is this a fossil or just some way silica forms? Thanks so much!
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Echinoderm Oklahomacystis Ordivician Oklahoma
JamieLynn posted a gallery image in Member Collections
From the album: Oklahoma Paleozoic Fossil Finds
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Echinoderm Oklahomacystis Ordivician Oklahoma
JamieLynn posted a gallery image in Member Collections
From the album: Oklahoma Paleozoic Fossil Finds
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Are these both blastoids? The larger one is about 2 cm across at its widest point and the smaller is about half a cm across. Ordovician, Dane county Madison Wisconsin. Thanks!
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I’ve been told these blastoids appear to be Mississippian and I have some questions
SilurianSalamander posted a topic in Fossil ID
I’ve been told these blastoids appear to be Mississippian in age. That surprises me because the rocks in Dane county Wisconsin are late Cambrian - early Ordovician and the nearest Carboniferous rocks are a long ways away. I’ve done some research into the history of the buildings on the UW Madison campus where I find these fossils and they were supposedly quarried only a few miles from where they now lie. I was also told that blastoids didn’t appear until the Carboniferous. From a quick google search I got the impression that, while they massively diversified in the Carboniferous, they first appeared during the Ordovician. I’m just confused and curious as to how old these rocks are. They’re packed full of fossils and I often find tiny fossils that have eroded out of them and fallen to the ground to collect. attatched are the 2 or 3 blastoids and some of the other fossils I’ve found in these rocks. Any help as to what the age could be would be wonderful! also any IDs on some of the other fossils more specific than “gastropod” or “cephalopod” or “crinoid” are also appreciated. Thank you so much! Y’all are great.- 1 reply
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Been finding a lot of these tiny spiral shells. While some are definitely gastropods this one looks similar to some forams I’ve seen. Would love to know which this one is! Thanks
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Hi all! I found this tiny fossil today. It is a bit under half a cm long at its longest point. I can only imagine this is an echinoid but some confirmation would be great! Found in some very fossiliferous rock on the UW Madison campus in Dane County Wisconsin, known for being late Cambrian - early Ordovician. No clue where this rock was quarried. Thanks so much!
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Is this a Rusophycus pudicum trace fossil. It is from the ordivician of Kentucky, the kope formation.
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Hello! Can't wait to share some of my finds. Also looking forward to input for ID's from this fantastic community!
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I went to St Leon Indiana, and I had a pretty good haul!!! Spent the day out there I have several fossils that are from the Ordovician time period and they’re in limestone, limestone shale. Does anyone have any good tips on washing them? Do you prefer dry? Just with a brush? What about any rusted stuff, do you use oxalic oxide? What about algae? Do you prefer water? Soap and water? Hydrogen peroxide? I’m afraid and don’t want to ruin any. Thank you! Jessica
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I found this in St. Leon, IN, Waynesville formation, and was just wondering if it was an orthocone fragment or something else. Thanks!
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Just sharing some plates from eastern MO. Not sure what subgroup of the Ordovician. Thanks for looking!
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My wife and I spotted the large rock below yesterday along the shore of Lake Champlain in Shelburne, Vermont, and were intrigued by the light colored branching patterns. The rocks here are Ordivician in age. We're not sure whether these are fossils or not, but hopefully someone here can help. The pattern is flat/flush against the surface of the rock. Thanks in advance for your input!
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My wife and I are up in Northern Vermont for the Thanksgiving holiday and were able to take advantage of a beautiful day yesterday by going for a walk in some woods and fields along Lake Champlain. While exploring the shoreline, we came across this rock wall and my wife spotted what looked like a fossil shell. Lo-and-behold, the wall was full of fossils--primarily gastropods I believe. We're not sure where these rocks came from, but the rocks along the lake are Ordivician in age and there's a good chance these came from a similarly-aged rock quarry in the region. Here are some of our finds, which we were able to enjoy in place: And some views of the Green Mountains and Adirondack Mountains on our way back:
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When was the Great Ordovician Biodiversification Event? (GOBE)?
Daniel Fischer posted a topic in Questions & Answers
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!- 2 replies
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Please advise what type of animal is this: it could be a trilobite, brachiopod or plant-animal. N.2 N.3 N.4 - this is most likely a small trilobite ( 1 cm) N.5 N.6 N.7 -left side segment N.8 - here I put some oil on this segment for better visibility
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Large hemispherical coral head from Ordovician in Indiana
traveltip1 posted a topic in Fossil Hunting Trips
I found this 65 lbs. complete hemispherical Favosites colonial coral head in the Ordovician in southern Indiana. Photos are specimen top and bottom. -
Gorgeous Orthoconic Nautiloids (Toronto/Ordovician-Georgian bay formation))
Emthegem posted a topic in Fossil Hunting Trips
Hello to all! Its been a very long time since I've been on here, but my recent trips around the creeks in Toronto, Canada (in the Etobicoke area) have yielded some of my largest and most defined finds of all time, here are some of the nicest Orthoconic Nautiloids I had found yet: Probably the nicest one in my collection at this moment, found almost completely by fluke when I hit a rock with my pick and this bad boy showed up Imprint made by the previous one These last couple would be way nicer, if only I could find a way to get it out of the rock matrix without completely destroying the specimen :/ ... Anyways, it good to be back and hunting this summer after a somewhat stressful finals season. I also have wayyyyyy more stuff that I found such as some unusually large and defined bivalves and tentaculites (maybe?), but I might save those for another time as they definitely weren't as cool as these ones. All were found along river rock deposits In the west side of Toronto (Etobicoke, Humber and Mimico creek) - Georgian Bay formation, excavated using rock pick and chisel.- 15 replies
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Another decent haul over the last few days. Bunch of nautiloids and whatnot, a couple mussels. These were my favourites from the last 2 days in the river. This was a biiiiig nautiloid, and after cleaning it I realized there were two of them! wowowowo! (Sorry the picture didn't turn out quite that nice) This is probably one of my highest quality specimen so far, although it did break near the end when extracting it from the matrix.
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Hello, I recently cracked open a rock to find one the most pristine and unusually shaped fossils I've seen in a looong time. I predict it might be the edge of a bivalve shell poking out, but I wanted to know what others might have to say about this. It was found in the rock deposits of the rivers in Toronto, Canada, and is part of the Georgian bay formation. Also, only the bottom half seems to be completely crystallized and is translucent, whereas the top is relatively opaque: I am somewhat worried about totally ruining the fossil if I try to further crack into the matrix, as it is Ordovician era rock which is very hard and often results in the destruction of the specimen when trying to clean up the fossils. Sorry for not providing much to go off of . Thanks in advanced for the help! -Em
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Hello, I d like to know if someone would trade unpreped crab nodules. I mostly have french trilobites to trade. Some echinoid also . Some albian minicrabs carapaces. I post those 2 first. Ill post more later . The roller is Colpocoryphe rouaulti, the other one is a small Ectillaenus giganteus. Regards
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I have spent a really long time looking for this fossils name, I know it's from the Ordivician period I just don't even know where to begin to classify it. Pls help!