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Showing results for tags 'Ordovician'.
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My family and I went on a cruise in December and my 10 year old dragged me to the watercolor painting lessons during the "at-sea" days. I got hooked on painting, she didn't...Anyway, these are my first attempts at combining two of my hobbies.
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From the album: Invertebrates
Pleurocystites squamosus Billings, 1874 Ordovician Bobcaygeon Formation Brechin Carden Ontario Canada- 2 comments
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- bobcaygeon
- brechin
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Yesterday, I was lucky enough to attend a very special field trip with the Eastern Ontario Natural History Society to a massive road cut in Ontario. The rock exposed was Ordovician aged limestone, and it produced some amazing fossils. I might need some id help with some of these. The giant cephalopod was by far the best thing I found! 1. Giant Cephalopod (with hand for scale) Camerocerad or Endoceras? 2. Crinoid stems, bryozoans and Gastropod 3. Partial trilobite pygidia
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- canada
- north america
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Hello. I found this in Mimico Creek in Toronto, Ontario. Could someone please tell me what it might be? I thought maybe some kind of cephalopod, but really have no idea. Thanks! Camille
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Hello Everyone Today my dad and I visited Bullengarook slate quarry to hunt for some graptolites. The site is aged middle Ordovician and was originally used for slate and gold mining in the 1800s I believe. There was many mine shafts still present and accessible at the site but I decided not to explore them. (Too creepy!). We arrived at the site at 1:00pm and spent the next three hours digging into the spoil heaps and splitting rocks. We came out with many beautiful examples of graptolites. Unlike Bendigo which has red graptolites, the graptolites at Bullengarook were the typical white carbon colour. Hope everyone enjoyed, Daniel
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Graptolite collected from Spring Gully, Bendigo, Victoria.
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Graptolite collected from Spring Gully, Bendigo, Victoria.
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Graptolite collected from Spring Gully, Bendigo, Victoria. Believe it is P. typhus but not sure. P. anna maybe?
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Managed to get out to a site I haven’t been to before, and found lots of cephalopods and gastropods. I recently got back into geocaching (my husband and I used to geocache as students about 10 years ago, back when you had to use a handheld gps unit. Now you can just use a smartphone.) Anyways, we didn’t collect at this location, since the geocache makes it an excellent learning resource for people who don’t know much about fossils. A few photos attached.
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- cephalopod
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I made two trips to Little Falls NY recently, one alone, and one with my 10 year old that I took to Penn-Dixie last year. Both trips were successful. The fossils are abundant, relatively easy to find and extract, and the site is kid-friendly. It is slippery on the slimy shale in the water, so be careful. The shale can be sharp and cuts fingers easily if you use ungloved hands to brush bits away from a site you are excavating. The shale is also very oily, can will stain fingernails, so consider gloves with covered fingers. Rare pyritized fossils can be found. I also found two cephalopods.
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- new york
- nowadaga creek
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While scanning some of the fossil plates I found hunting with @Bev and @minnbuckeye, I noticed this little star-shaped discoloration on one of the brachiopods. Anyone have any idea what could have produced this mark?
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- brachiopod
- maquoketa formation
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From the album: Trilobites
Hydrocephalus carens (Barrande, 1846) Cambrian Jince Fm Skryje, Czech Republic This was a gift from a fossil comrade who collected there.-
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I was out hunting near Spring Valley, Minnesota with @Bev and @minnbuckeye the last couple of days. As always, I was looking for coprolites. Mike came across this first piece, sitting loose in a piece of weathered matrix. While we were splitting rocks, we found a virgin layer of the source matrix. When we got back to Bev's fossil barn (everyone should have one), I took a peak under the microscope at two of the loose, irregular objects but couldn't really see much because of the powdery iron oxide coating. When I lightly rinsed them, they revealed these microscopic (calcareous) jack-shaped objects. Similar inclusions were in both objects loose objects. You can see from the broken spine on the inclusion in the lower right that they are hollow. In the other loose piece and those still embedded in the matrix, I can also see random straw-like spines of the same material. I'm not sure if these are coprolites, algal masses or something else. I have seen coprolites covered in powdery iron oxide before. Eventually I would like to free more of these from the matrix so that I can sacrifice one to get a look at the interior. Can anyone identify the little jack-shaped inclusions? The spines may have been quite a bit longer. The only things I can think of are forams or perhaps diatoms. Bev and Mike - What was the name of that cliff again? Decorah Shale? @Carl
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- concretion
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Whenever I find a new fossil, I usually put effort into identifying it. Usually, I can turn off my computer with a label for the fossil, and I'll go to bed happy with the new item on my display shelf. However, these guys have always been at the back of my mind for years, and it really nags at me when I have to explain what they are to someone else. Not anymore, I guess! ----------------------------- These were found in the Liberty Formation of the well-known St. Leon roadcut in Indiana. I am thinking they are some kind of internal clam mold, but consider it very unlikely due to an inwards impression that is identical in both fossils.
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A few weeks ago I was on my very first fossil hunts. With some beginners luck I managed to find a few trilobites and orthoceras but I also found a very peculiar fossil that I am very curious to learn more about. The place where I found it is called the Aland Islands and is located in the Baltic sea between Sweden and Finland. Ive read that the fossils in this area comes from either the Ordovician or Cambrian ages but I am clueless on which age the stone comes from that containes this fossil. It appears to be complete only missing one "eye" on the half that is exposed. On the negative I can clearly see the "eye" imprinted. The shell/skin is extremely fragile and crumbles if touched and most of the shell/skin is stuck in the negative. When I turn it upside down I can see that the fossil is symetrical with half still in stone and other half exposed. It is approx 7 cm long, 4 cm wide and 2,5 cm high. Anybody got any ideas what this might be? Ive searched thousands of pictures in this forum and on the internet but nothing even comes close.
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I have a hunch about these, but I felt it best to get some more seasoned input. The first two are trilobite partials. I'm tempted to call the one on the right just another small Isotelus, but the segmentation doesn't appear quite right. Found in the Lindsay Fm. The second image is a matter of dispute (or so I was told) with one expert stating it is an ammonoid, and another stating it is a gastropod. Found in the Whitby shale. About 5 cm in diameter.
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Just seeking to verify whether or not this is a Leviceraurus mammiloides or just plain Ceraurus sp. Found yesterday in the Lindsay Fm (Ordovician) in Ontario. If the former, it is sadly missing the long pygidial spines. Prepping this one is a bit of a challenge as it is fragile in places, and the matrix is very stubborn (I may have to get someone else to fix this one). I've done what I could with abrasion. Specimen is very small: 1.5 cm. For comparison, the specimen and the line illustration from Hessin's book. The genal spines don't look quite long enough to be a Levi, but the spine appears broken off before the termination point.
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- lindsay fm
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Hello TFF members! I have just found several strange circular rocks on a fossil hunt a few minutes ago, which I believe to be either nodules or concretions. What should I do to split these rocks? I know that I should probably not try to break them with a hammer and chisel, and instead use the freeze-thaw process. This is my first experience with nodules or concretions, so I am not very knowledgeable on this topic. Is there a specific recommended length of time I should leave them in the cold? How long should I thaw them for? How many times should I put them through the process before seeing cracks? How cold should the environment be for the freezing to work? If they are in fact nodules or concretions, I will post pictures of my finds (or lack thereof)!
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I found this fossil a few days ago at an exposure of the Billings Shale. It was found associated with Triarthrus glabellas and brachiopods. It's structure leads me to believe that it's either an Isotelus pygidium or an agnostid, although I do not know of any agnostics described in this formation and age.
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Hello all. I would love to know more about this fossil plate cephalopod inprint approximately 6 inches long. Here are some of the details about where it was found... Hueston Woods State Park in Preble County, southwestern Ohio; In the Rock bed along Four Mile Creek under Main Loop Road Bridge; Ordovician period. Found in late Nov. 2017 lying fossil side down among a huge pile of rocks and plates. It was dumb luck that I picked it up and flipped it before moving it to analyze some of the other fossil plates it was covering. Really interested in the full hierarchical level info if it's available. Thanks for your time and input. This noob appreciates it!
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Hi again! This will probably be my last ID post for a while. This time, I've decided to put all of the Unidentified fossils in one post. These are all from the Ordovician aged Billings Shale. Help identifying these will be much appreciated! 1. Leaf-shaped imprint. Mineral inclusion? 2. Trilobite fragment? 3. Dark markings and furrows. Burrows?
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Hello TTF! This post will contain the pictures of my science fair board, as well as the awards I received from it. Sorry for the delay, I know that some members posted requests for these months ago, but I have been busy with other things lately. I actually left part of the board at school by accident for weeks. I hope the pictures are clear enough!
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- billings formation
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Hello all, I'm asking for your help again! Can anyone confirm if this roughly 1.5mm fossil impression is a type of star shaped crinoid stem piece? That's my guess. It was found near Graf, Iowa from the maquoketa formation, upper Ordovician. It's on the backside of a piece of matrix that has some trilobite debris on it and I thought it was neat. Thanks for your help!
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What is this
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Help identify this fossil I found in a quarry in brechin Ontario
Ericneufeld posted a topic in Fossil ID
What is this?
