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Trilobites found in the Wheeler Shale, Utah. I think Elrathia? College ruled paper, each line 7.1 mm
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A rangeomorph holdfast trace fossil from the Ediacara formation, Rawnsley quartzite of the Flinders Range, South Australia. This specimen is Medusina mawsoni, so called because it was until recently thought to be a jellyfish, but is now believed to be the attachment point of a fractal rangeomorph as Charniodiscus is the point of anchorage for Charnia sp. This one may have been the holdfast point for some species of Rangea. The diameter of the outer circle is 1.5 cm and the fossil is estimated to be 555 million years old.
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From Utah in House range/Wheeler shale. Selkirkia willoughbyi worm?
Anna Marie posted a topic in Fossil ID
1-1/2" (3.81 cm) long. Head/tail areas still seem buried in matrix. Caught my eye as it looks nothing like the Margaretia dorus algea there. Thanks for any help!- 7 replies
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From the album: Purchased Trilobites of Isotelus2883
From the famed U-dig Quarry of Utah. It was a nice little specimen for not much. Wheeler shale.-
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Hello all, I recently ordered a big piece of Wheeler Shale and have had loads of fun splitting the rock and finding Trilobites. I've got a nice complete specimen of each of the common species (Kingii, Wheeleri, Interstricta) as well as a ton of molts, cephalons, and pygidiums. I am a new prepper and thought this would be a good way to start, though my dream is to eventually learn how to do Moroccan or Russian trilobites. I've been practicing on the molts and parts of the trilos, but the head I am prepping currently looks like it is pyritized. It's got a few pyrite pieces on it, but as I'm washing and brushing it off, the whole thing looks to have a golden sheen. I'm worried the water I've been putting on the specimens to soften the matrix will damage the fossil, though I've been scrubbing and brushing it off before it soaks in too much. Should I stop using the water as soon as possible or is it okay? And how do you more experienced preppers handle the pyrite? I love the look of the gold and don't want to damage it. For now I've been using these tools: Dental pick Thin Steel Wool Wire brush Kneaded Eraser Spray Bottle with Water I'm planning to get an air scribe soon to prep the complete trilos with.
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Hey guys, I found this last month in the Wheeler Shale in Utah, and I'm at a total loss as to what it is. I showed it to a friend who collects there regularly and he wasn't sure what it is either. He suggested it might be a carpoid or something similar. It's ever so slightly raised on the matrix. Does anyone recognize it? Scale in inches:
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I collected this at Marjum Pass in the House Range. The beds are likely Wheeler Shale but almost certainly middle Cambrian. Trace fossil or scour mark? The ruler is marked in centimeters, so an individual grove is about a centimeter long.
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I had a bit of spare time today so I thought I'd prep a trilobite or two from my trip around the Confusion and House Ranges of Utah. (See trip report here) I had found this guy in someone else's throwaway pile probably after it came out chipped and subsequently scraped. I didn't think it was worth leaving out in the elements so I brought it home. Here's a before picture. After 4 hours of swapping between dental picks, wire brushes, toothpicks, and various Dremel attachments here is my final product. It's not perfect at all but I think it deserves to be admired for a time because it has not been on this earth for over 490 million years just to be chucked aside when it finally reached the surface. I even gave it a polish using a piece of newspaper. I don't think it came out too badly. The scrape is still visible on the thoracic segments but there's not much more I can do for that. What do you guys think?
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I was recently sent some Wheeler Shale material from the Antelope Springs area of Utah, Middle Cambrian age. Thanks to my good friend Debra @Paleome It's all rather splendid stuff, not the usual Elrathia kingii or Itagnostus interstrictus, but a selection of wonderful more unusual things. But what about this one? A trace fossil of a burrow? Some sort of sponge or algae? Any help will be greatly appreciated, as always. Thank you. The inside of the object is an orange brown colour, while the outside and surrounding regions are sort of beige. It reminds me of some of the staining around fossils where bacteria have done their work of decomposition and left their waste behind as iron sulphides etc. Snake's head? Lots of little black crystals. Pyrite ? This is the inside of the 'burrow' and the divide between the object and the staining : The 'stained' area : Join between stained area and ordinary shale : Looking down into the tube ;
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I recently purchased a 40lb box of shale from U-Dig Fossils in Utah. Mid-Cambrian, Wheeler Shale Formation, House Range, Millard County, Utah. This morning after work, I split a smallish piece & one side had an odd dent, the other had an indistinct, slightly raised shape that sort of looked like a trilobite, so I started trying to find out if it was. This was the result. Using dental picks, a needle in a small pin vice, a # 428 Dremel wire brush (by hand) & another small, round nylon brush (Dremel) in another pic vice... and lots of patience. I think it's most of an Elrathia Kingii minus the cheeks (of course) measuring 1.5 cm in length. It isn't the cleanest & I have a bit more to do, but I wanted to "show it off" as it were. And see if I got the I.D right. Not the greatest quality pic, but I've also been up for almost 24 hours, so it may just be my imagination (pic quality or that I actually took a pic).
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Ammonites, Trilobites, Fossil Fish: Another Western Adventure
Jeffrey P posted a topic in Fossil Hunting Trips
Barely a month had gone by since my last trip to New Mexico and Colorado, but I already had plans for this trip in the works. Primary focus this time, which was a solo trip, was fossil collecting, visiting well known sites that have been on my radar for quite some time. I flew out to Salt Lake City and drove directly to Kemmerer, WY. My first stop there was Fossil Butte National Monument: Here is a view of the visitors center (free admission) and the surrounding barren, but awesome landscape that surrounds it:- 67 replies
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Hey hi Y'all, Was looking at some of My trilobites from My last trip to the House range and found something that is not a trilobite. Wheeler shale, mid cambrian. Any help to make an ID on this thing is always appreciated. Thanks. It is 1 cm long.
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Hi everyone, firstly I'll apologize for the poor quality pictures. These Fossil are tiny and it's hard to get a good exposure. These things which are in all the shale I brought back are like rounded objects. They will come out leaving the impression behind. One is 1/8th in and another is about half of that. If any one can help, I'd love to know. On the paper they gave us showing what we can find, there are brachiopods but these seem to all and not the right shape. paper has something called pyilocardia or something like that. Thank you
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Found associated with Elrathia kingii and Itagnostus interstricta trilobites. See field trip report here:
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Found during a trip out to a hill right adjacent to U-Dig Fossil Quarry. The trip report can be FOUND HERE. This is the largest I've collected. Typical sizes I've found are 3-6mm in length, 1-3mm in width.
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From the album: MY FOSSIL Collection - Dpaul7
Trilobite ITAGNOSTUS Fossil Wheeler Shale, Utah, USA Middle Cambrian 509 to 497 million years ago Itagnostus is a genus of trilobite restricted to the Middle Cambrian. Its remains have been found in Asia, Australia, Europe, and North America. Kingdom: Animalia Phylum: Arthropoda Class: †Trilobita Order: †Agnostida Family: †Peronopsidae Genus: †Itagnostus Species: †interstrictus-
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Collected on a field trip to U-Dig Utah and prepared at the U-Dig site station. After a light mechanical brush exposed the shale, mineral oil was applied with another brush for a polished finish.
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From the album: Anomalocaris and friends.
I have identified this Wheeler Shale fossil as Caryosyntrips sp. (The Burgess species are serratus, but this is much younger and a different location so is most likely a new species). It was thought to be Anomalocaris sp. I have sent this fossil to Dr Allison Daley of Oxford for study. The Caryosyntrips has only ever been found at the older Burgess Shale.-
- Anomalocaridid
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From the album: Adventure is an individual thought!
One of many "hidden quarries" in productive trilobite country. About 15 miles south of the U Dig site. Hard work but with a shovel and tools to split shale, you will find more than you would have expected. Elrathia is the most common trilobite to be found here. Not too far west and you will find Pernopsis, blind trilobites that look like "bar bells". Also some "unknowns" that you need to take home and figure out WHAT it is. Sometimes, multiple complete specimens in the 3/8 inch to 1 1/2" sizes! Camp just below the quarry or look around at loose slabs for trilobites washed down the cliffs.-
- Utah
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From the album: Adventure is an individual thought!
Many old trilobite quarries to be found. Some are hidden right over a small hill. Some are obvious and alongside the road. Plenty of camping spots. Visit the U Dig site in the area. All of this is just west of Delta, Utah. Before you go, gas up, water up, eat a good meal before leaving town and head to the House Range mountains.-
- Utah
- Millard County
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