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Showing results for tags 'isotelus'.
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Hi all, about 2 weeks ago during my spring break my father and I made the 6 hour trip up to Buffalo NY to collect at Penn Dixie. Our main focus is to bring back blocks for our weathering pile in the back yard, so we worked from around 11am to 5pm moving chunks and transporting them to the car. Here is a photo of me driving a wedge into the huge row of rock we were working on, it was pinned and took probably 30 min and a lot of thinking to break it free. Ill attach photos of some finds from the day below. Disarticulated Eldredgeops and a complete Greenops (I have done some exploratory prep and uncovered a genal spine) Another Eldredgeops This beautiful prone Eldredgeops had an unfortunate encounter with Murphy’s Law, and when I tried to split down the chunk to a more manageable size the whole bug shattered. In hindsight I should’ve just deadlifted the rock as a whole into my wagon, but hindsight is 50/50. The next day was a bit short, we had pretty much ran out of room for chunks and I was sunburnt and fatigued (Despite regularly applying sunscreen and drinking lots of Gatorade). If you zoom in on the image below you can see the sunburn on my arm. View of the spot we were digging before we leave (Kompsfossilsnminerals for scale) As we were packing up, I started tapping on some of the rock from the layer above where we were working. On my second or third chunk, this beautiful Eldredgeops rana popped out! Only missing a little of the cephalon’s shell as well as an eye, which I think I can recover from the negative. 1/2
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Hey all, I am looking to add two new species to my collection. I would like a Dipleura and an Isotelus. Also interested in most any Asaphida species. Preferably complete / relatively complete (Rollers are fine) Please DM me photos if you have any you are okay to part with and we can make a trade.
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Recently I went fossil hunting along a road cut revealing some of the Coburn Formation, latest Ordovician. I was stunned to find that so much of the ecosystem was made up of only Trilobites and Cephalopods. I found trilobites such as Isotelus and Cryptolithus (First picture). My find of the day was a large, very heavy plate of rock that preserves different parts of large Isotelus gigas from multiple individuals, and the circular cross-section of a small cephalopod (Second picture). However, I'm having trouble identifying these cephalopods. In the very few that preserve the outer sell, faint striae can be observed. The septa, when visible, are close together. On some of the smaller specimens, which may be a different species or the same, the uncrushed cross-section reveals what appears to be a small, eccentric siphuncle (Sixth picture). Most specimens, because of their size, are crushed flat. Only much smaller individuals sometimes retain their original shape. Arrows indicate septa unless stated otherwise. The large cephalopods appear similar to both "Michelinoceras" and Geisonoceras tenuistriatum, but this species is restricted to the Whitby formation in Ontario. Could anyone help?
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From the album: Nautiloid’s Trilobite Collection
This bug is in rough shape but I still kept it due to its massive size. It would’ve been 10.5-11.5 inches long if the bottom half of the pygidium wasn’t MIA. As you can see, the left half was exposed to the elements and is heavily weathered, but the right half is still relatively salvageable. This is by far the largest trilobite I’ve ever collected! Collected 11/04/2022© Owen Yonkin 2022
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From the album: Nautiloid’s Trilobite Collection
This bug is exactly 6 inches long. It’s not super inflated, and a small piece of the pygidium is missing. Other than that it’s pretty much perfect! From the Trenton Group of New York. Collected 11/04/2022© Owen Yonkin 2022
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Hi all, I found what I presume to be an Isotelus in the Trenton Group of NY yesterday. I posted the trilobite online and someone was saying that it is not an Isotelus based on how the trilobite looks Micropygous, and that they think it is a Proetid (even though the cephalon looks like an Isotelus’?) The trilobite I found looks to be in the Meraspis stage. Can anyone help clarify if this is an Isotelus, or what it could be if it isn’t? Here are some photos of the trilobite… Photo taken with my digital microscope Pygidium Face Isotelus life cycle I found on trilobites.info
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From the album: Fossildude's Ordovician Finds
Found in West Canada Creek at the KOA campground in Herkimer, NY. Ordovician. Juvenile Isotoleus sp. Note the Hypostome visible in the center where the top of the cephalon came away.© © 2010 Tim Jones
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From the album: Nautiloid’s Trilobite Collection
This is a well-inflated specimen of Isotelus gigas from the Trenton Group of New York. Unfortunately the cephalon is missing, but this is still a pretty rare find. Collected 9/7/2022© Owen Yonkin 2022
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Traveled to Iowa for a second time this weekend. My goal was the various molt beds of Isotelus in Fayette county. Here are most of the finds. While there I stumbled upon a local hunter who was nice enough to give me all of his hunting spots. He seemed to be as surprised as I was to find someone else in the field. A few isolated hypostomes here, and some others in various hashplates. Mixtures of pygidiums and cephalon structures. I think an eye can be seen in each of these images. Some decent sized pygidiums. They were the most common part of the molt I recovered. Another large hashplate I want to display on my desk. Found this in a large block I split from someone else's derelict hole. Pieces were abundant, however no full Isotelus yet. Finally a large piece of calcite my girl found.
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I've been doing some research for a couples weeks about the Isotelus beds located over Fayette county. It's been rather difficult to locate a specific site, so I'm asking if anyone who's been down there has any specifics when trying to locate them. I know of the Turkey river, but I'm four hours away so I just want to make sure I have a clear idea. Thanks, Jonah
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From the album: Nautiloid’s Trilobite Collection
From the upper ordovician “butter shale” bed of the Arnheim Formation, Mount Orab, Ohio Given to me by a fellow fossil collector© Owen Yonkin 2022
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From the album: Nautiloid’s Trilobite Collection
View of the underside of the Isotelus maximus© Owen Yonkin 2022
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Hello, I've been recently fascinated by large isotelus trilobites. Does anyone on here own one and would like to show and talk about it, I would if I owned one but I don't see that happening anytime soon haha. This is the largest I've seen for sale so far that would've been 8 inches, would be nice to be able to find one but I don't have that luxury.
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Hey Folks, went hunting last Saturday with my wife and Granddaughter looking for Trilobites. My wife just killed it with 2 large Isotelus Trilobites and a super rare DOUBLE Isotelus slab! Me??? They don't call me Empty Pockets for nothing! YouTube video here: Prepped pics are at the end of the video.
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Last weekend, I decided to venture out to my favorite site to find trilobites. It is a site better visited during dry weather, but I couldn't wait! I do not know which was muddier, the truck or me when I packed it up. Here is the location without the mud visable. This material is best approached by splitting larger slabs of matrix. The result is always a bunch of trilo-bits. This is a nicer hash plate found that day
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I had posted pics of my latest (May 23) find earlier - as it looked when I found it - but here are the updated pics now that it has been prepped (thanks Malcolm). It is just under 3 1/2 inches long, and is fully inflated. There is some damage to the pygidium that I saw when I found it, but the remainder of the trilobite is very well preserved. I especially like that both genal spines are fully intact, one eye is undamaged, and it also looks like this trilobite was struck between the eyes with something while it was still alive...
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After finding a few larger trilobites last year, I found my first trilobite of this season today. It is the smallest trilobite I have found yet, at 'only' about 3 inches in length, but it looks to be inflated and fairly complete. I am trying to determine if I should have this prepped, like my other ones. Thoughts? Also, am I correct in assuming this is an Isotelus, as with the other trilobites I found last year? Thanks,
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From the album: Fossildude's Purchased/Gift Fossils
Before and after prep. Still needs a bit more... This was a gift from my good friend, JimB88. Thanks Jim!© © 2013 Tim Jones
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Trout fishing trip with some unexpected trilobite finds!
Nautiloid posted a topic in Fossil Hunting Trips
Yesterday my dad and I went to a local trout stream for a couple hours just to get out of the house. We did very well with the trout, I got 4 brookies and a brown and he got 7 brookies. On the way back to the car I noticed a small exposure along the side of the creek and took a few minutes to check it out. I immediately saw evidence of trilobites so I dug around some more and I found some nice stuff, including 3 new species for me. The rock is Middle Ordovician Trenton Group and It seems like the Sugar River Limestone. I will be putting photos on here throughout the day when I get time to photograph my finds Enjoy!!- 18 replies
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From the album: Trilobites of Minnesota Decorah/Platteville/Galena Formation
Isotelus gigas thorax and pygidium from Galena Formation (thanks Kane for the positive id). -
I am confused about how to id Isotelus species as they all looks alike. I know I rex is out of the range for Ordovician Platteville/Decorah/Galena Formation. #1 is the most complete (minus head) from Galena formation in southern Minnesota. Its also the only Galena one I am showing right now as other still need cleaning. #2 The largest pygidium from Platteville Formation. Not the most complete I have but is pretty wide. #3 I am disappointed with the quality of pics but just showing here. Pygidium of smaller Isotelus species from Platteville with the farthest left the only one from upper Decorah formation but lost most of its mineral covering. #4 Cephalon from Platteville formation (not complete). #5 from platteville is maybe the most complete I have of the small Isotelus species. Maybe even its pygidium is hidden in the carbonate.
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Greetings everybody! While I was on my fishing trip last weekend I took some time to look for fossils. I collected at a couple of creeks exposing the Middle Ordovician Trenton Group in North-Central NY. I found lots of trilo-bits and other goodies! Enjoy
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General question for the group: Would you rather find a large (large being over 8 inches, in my case), inflated trilobite with some damage OR a smaller, flat trilobite with very little damage at all? I know it would depend on the actual examples, but in general I was wondering what people preferred. I have a small one that I think is cool but the larger ones are just so much more impressive to me... I am just starting to collect trilobites, as I have only recently realized they can be found in my area. Thanks.
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Note: This is a follow-up post to my original post of about a week ago. I found this trilobite fossil near Eganville, Ontario, Canada. When I first picked it up, I thought it was broken but then I noticed that it was just slightly rolled and the pygidium was curved downwards. I have already posted a couple of pics of this Isotelus as found, but now that I have had it prepped (thank you Malcolm), it looks even better so I thought I would share.
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Found this trilobite this morning. At first, I thought it was only half of the trilobite but then I noticed that it was just folded over. Other than a bit of damage to one side, it is almost entirely intact and a pretty nice specimen. The attached pics show exactly what it looked like when I found it. If stretched out flat, it would measure 4.5 inches long. It is inflated, and is about 1/2 inch in height. The other trilobites I have found around this location have been Isotelus and I think this one is as well. Thoughts?
