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Found 19 results

  1. In this thread, I hope to share numerous examples of the ostracods of the Leighton Formation. As I identify them to at least genus level, if not species, I hope to post them here. If anyone has a better suggestion for the id, please let me know. First up is a cast of a left valve, female, Hemsiella maccoyianna sulcata. Length is approximately 900 microns. Literature on the subspecies: Copeland, M. J. (1964) Canadian Fossil Ostracoda, Some Silurian Species. Geological Society of Canada 117. https://emrlibrary.gov.yk.ca/gsc/bulletins/117.pdf Martinsson,
  2. aek

    Is this a ostracod?

    This measures just under 1mm. Ostracod?
  3. Mainefossils

    Unknown fossil (myodocope ostracod?)

    I have been finding these small little fossils all through my specimens from the Leighton Formation, which is Pridoli. I suspect that they are myodocope ostracods, but I haven't found any ostracods that match it from my available literature. The specimen below appears to be an association of two valves. Each individual valve has a small protuberance in the middle, with two pits next to it; they are approximately 4 millimeters long, by 1.5 millimeters wide. The pictures below are first of photo with direct lighting, then a photo with raking light, to show the protuberances. Any hel
  4. Mainefossils

    Ostracod ID

    Fossil Forum, I recently found a single ostracod in a fossiliferous rock I collected from the Leighton Fm. The formation is Silurian. I was thinking there was a possibility that it was Zygobeyrichia devonica, which I saw mentioned as being in the Chapman Sandstone at this website https://pubs.usgs.gov/pp/0089/report.pdf, but the valves did not match, and the formation was not Silurian. Here are some pictures of it:
  5. Hi everyone I think I just found a new hobby With my latest fossil delivery I recieved quite a lot of microfossils & matrix vials as the world of microfossils was something that I have been long interested in. So a 2 weeks ago I finally ordered my first microfossils for which I reserved a special drawer in my archive cabinet. So here is a recapp of what I all got: 3 vials of permian material from Waurika, Oklahoma 1 vial of permian material from The red beds of Archer County, Texas 1 small vial of Conodont rich Mississippian material from the Chappel Limestone fo
  6. historianmichael

    Ostracod?

    I recently collected at an exposure of the Rochester and McKenzie Formations in Maryland. The ostracod typical of these formations is Kloedinella. While I did find a lot of those ostracods, I also found these two fossils. My initial guess is that they are of a different ostracod, Leperditia. I tried to Google to identify if Leperditia can be found in these Formations but I did not have much luck answering that question. What do you all think? Any help is greatly appreciated.
  7. About 5 years ago I had a paper published in a few newsletters and a Forum member asked if it was published in it's entirety because it seemed incomplete. Well, I reviewed the issue of the DVPS newsletter and, sure enough, the entire "Results" section was left out. For anyone who cares, here it is in all its glory. https://docs.google.com/document/d/1XWuV6BvSU8tAfmQUDEzZmLiZNijx8JWNo6UOUiBSI1c/edit Tom
  8. hey all! i was going through some of my stuff & found this pretty cool rock- it’s from anticosti island and has many ichnofossils in the top & bottom- i’m thinking they’re borings. on the bottom i noticed a figure vaguely resembling a circle- from what i can tell, it’s an ostracod. opinions & feedback are very much appreciated, & thank you in advance!!
  9. Hi, I have another mysterious fossil. Silurian. Ostracod? Any ideas? (Bottom right): Side View:
  10. GavySwan

    Ostracod? Ontario, Ordovician

    Hi all, Found these itty bitties in a park in Orillia, Ontario. They’re not in situ as they’re in ornamental stones around the playground. We also find lots of gastropods and brahiopods in these stones. Not having rocks in situ is less than ideal but “urban fossil hunting” is awesome when you’ve got young kids in tow! I’ve never actually seen ostracod fossils before, so just wondering if these could be some? They look like the approximate right shape. They are quite tiny, around 3-4 mm. Canadian quarter for scale. Thanks for any help! Gavy
  11. I realize this is modern, but I thought it was unique enough to share. While ostracods are pretty common in this matrix, this is the first time I've seen one like this. It's not my area of expertise, but this one looks conjoined.
  12. Acryzona

    Hollinella pumila

    Identification based on page 63 of "Ostracods of the Middle Devonian Silica Formation" by Kesling and Chilman (1978). This was a float sample
  13. Acryzona

    Kirkbyella bellipuncta

    Identification based page 54 of "Ostracods of the Middle Devonian Silica Formation" by Kesling and Chilman (1978)
  14. Acryzona

    Arcyzona homalosagenota

    Identified based on key table on page 70 of "Ostracods of the Middle Devonian Silica Formation" by Kesling and Chilman (1978).
  15. Strepsodus

    Ostracod?

    Hi. I found this in Lancashire, UK in the Pennine Lower Coal Measures formation. Is it an Ostracod? I find a lot of Ostracods in shale but I've never seen any Ostracods in British Coal Measures sandstone. It measures around 5mm long. Thanks, Daniel
  16. These are a few of the pdf files (and a few Microsoft Word documents) that I've accumulated in my web browsing. MOST of these are hyperlinked to their source. If you want one that is not hyperlinked or if the link isn't working, e-mail me at joegallo1954@gmail.com and I'll be happy to send it to you. Please note that this list will be updated continuously as I find more available resources. All of these files are freely available on the Internet so there should be no copyright issues. Articles with author names in RED are new additions since February 27, 2017.
  17. I have about 8 acres of coastal estuary in northern Nova Scotia, and decided to take a look at the estuary sediments to see if I could find any fossils. Yes, they are there! Microfossils and lots of other life including ostracoda. Using my hand lens I could see them very well. Will invest at sometime in a microscope and maybe I will see even more. Hand lens for scale for foraminifera and ostracod scale is in millimeters.
  18. http://www.cbc.ca/news/technology/fossil-discovery-unearths-nursery-in-the-sea-1.2572886 Ancient ostracod crustacean revealed to be incubating its young
  19. lissa318

    Ostracods.

    So I have found a couple more ostracod pieces. Sadly small pieces and very fragile.... The loupes I ordered came in the mail so tried to snap a couple shots, starting with my original pieces (have positive and negative). This isn't a great pic and hoping to get better ones tomorrow. It is through a 5x loupe. Will add future ostracod pics to this post!
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