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  • *Pseudofossils ( Inorganic objects , markings, or impressions that resemble fossils.)

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  1. Denis Arcand

    Is it worth taking it home ?

    I found the following fossils hunting the Nicolet River Formation (Upper Ordovician). The layer where the specimens are is really friable, which makes them really fragile to remove, so I will have to remove a large piece of rock as a support. They measure approximately 2 and 1 inches respectively. I have two questions: 1. What is it ? 2. Is it worth taking it home?
  2. Denis Arcand

    I think it's a bivalve, but which one?

    I know there aren't many details for a formal identification, but even a guess would be fine I found it in the Nicolet River formation (Late Ordovician)
  3. Denis Arcand

    Trying to ID some colored spot on rock

    I don't know if they are traces fossil or geological in nature, do you know what these spots are? The period is Late Ordovician Thanks! #1 #2 #3
  4. Fall promises to be spectacular in many ways. If you dream of colors, you will like the following. I like fossil hunting in the fall, although it's not really hunting, the fossils are underwater so it's more like fishing. Anyway, this is one of my many trips to this place, it's not very far and it allows me to go for a weekend nature walk. This is Ordovician, the site is not as beautiful or rich in fossils as the other sites we see in this forum, but it is rich in brachiopods, crinoids, bryozoans and gastropods. This time, I chose a theme to showcase my special finds of the day.
  5. Denis Arcand

    Sowerbyella, Nicolet River Formation

    Location shows huge die-off of Sowerbyella sericea and other brachiopods in smaller numbers. The specific layer could not be determined as it was discovered at ground level on the beach. Loose as float,. The following reference has been used to aid in identification Geologie des Region de Saint-Jean (parti nord) et de Beloeil (1985) Gouvernement du Quebec - Ministere de l'energie et des Ressources Direction General de l'Exploration geologique et minerale Geologie des Region de Saint-Jean (parti nord) et de Beloeil
  6. Denis Arcand

    Brachiopod ID please

    There are so many brachiopods that look alike, it's hard to identify them. Is this Dalmanella sp ? I found it in the Nicolet River formation (Late Ordovician) each one is 1/2 inch
  7. Denis Arcand

    Is it fossils or geological formations

    Can anyone tell me if these are actual fossils or just geological formations, although they look like fossilize plants to me, it would be very surprising to find fossilized plants from the late Ordovician period. both rocks were found in the Nicolet River Formation on the banks of the Richelieu river
  8. Echinoderm identification help please! Polished cross-section in the Kimmswick Limestone (Late Ordovician: Katian; Missouri, USA) used as facing stone at Missouri Botanical Garden. Possibly the paracrinoid Implicaticystis (once known as Comarocystites)? Specimen is ~25 mm across.
  9. PaleoOrdo

    Please help ID these fossiles

    I found several kinds of gastropods and two other uknown fossiles in the Kalvsjøen formation, late Ordovivcian at Hadeland in the Oslo field, which I like to share. The limestones in this formation are called 'the Gastropod limestones'. Can anyone please help ID some of these fossils. I guess some of the gastropods cannot be ID-ed, but I hope some of them can be at some level and the other unknown animals. Any help are appreciated. The first rock (the first 3 pictures) has one strange fossile (to the left) and several small gastropods, some very small, which I could only see by taking sev
  10. Denis Arcand

    My best guess is Sowerbyella ?

    Hi, I am still new at identifying brachiopods, I know there is a great diversity of similar species, which makes it even more difficult for me. Can you help me identify these two brachiopods, they both feature a semicircular outline, concavo-convex profile, and small size (~1.0 cm wide). They also have a wide, straight hinge numerous and very fine lines and ribs. Not sure if they are the same species, one of them has a larger size with a bit smaller width compared to length. So I don't think they are the same species. The plate was found in the Nicol
  11. Denis Arcand

    I found a brachiopod with lips

    Hi fellow fossil collector, can you identify this brachiopod for me? I recently found a very different brachiopod, where I usually collect my fossils in an Upper Ordovician formation (Click here to see the site). I can easily find hundreds of swerbyella, but this fossil is very different from what I usually find, its huge size, 3 times larger than any fossil i usually find, and its different shape puzzles me. It measures approximately 3cm x 2.5cm. It also has intriguing concentric protuberances composed of a primary and secondary shell on external shell surface. As you
  12. PaleoOrdo

    What is this?

    lI found this rock in a quarry, at Hadeland in Norway, Katian-Ordovician age, but cannot figure out what is is. Any one have an idea? A piece fell off and then we can see a very smooth surfce inside (black part).
  13. JUAN EMMANUEL

    Toronto Brachiopod And Bryozoan Help

    I found these two fossils from Mimico Creek in Toronto, Canada and they both belong to the Georgian Bay formation, late Ordovician. The first one I believe is a Pseudolingula, but I can't really nail it down to a species level. The other is a bryozoan, and I was thinking of Prasopora. What do you guys think? The brachiopod I found in shale, but the bryozoan in a limestone bed with other bryozoas. The brachiopod: The bryozoa:
  14. Here in Norway is snowing now, so it is not the best time for fossilhunting. But there is another hunting we can do: to look for small things in rocks already found. This is much easier if you take photos of the rocks and then scann them for the details. That is what I did today and I found several things, among them a small orthocone nautiloid. What I wish to show, however, is some unknown animals, which I hope someone can help me identify or suggest a possiblility. I will start, in this corona-time, with a greeting from the Late Ordovician formation in Norway, just before the End Ordovician
  15. PaleoOrdo

    Alge or sponge?

    I wonder if this rock from very late Ordovicium in the Oslo field, Norway, shows an alge or a sponge? The rock was bigger originally with 4 bumps of equal size, 3-4 cm away from each other, but 3 of them had very unclear surface pattern, so I chopped away that part, showing here the rest. Another fossile from the same formation, 500 meters away (the structure about 3 cm in diameter):
  16. From the album: Fossil Art

    This picture was taken as is, it was not photoshopped, everything is real in the picture. Only the contrast has been adjusted a little bit. I took this picture at a small beach where the fossils are underwater, so I literarily fish for the fossils. You can read my two articles on the subject by clicking on the following links: The day I went fishing for fossils (part I) The day I went fishing for fossils (part II)
  17. My first post was so popular that I decided to do a second. I went to the same place, and found more many rich and colorful fossils, and got enough material to write to you about it. For those who missed my first post, you will find it HERE As you will see in this article, I combine my two passions, collecting fossils and color photography. I love color, creating black and white photographs of fossils is good for scientific research, when you are a paleontologist and want to record the small details for science and posterity. But for people who are just starting to explore the wor
  18. PaleoOrdo

    Nautiloid? Help Id please

    I found this stone with some unknow pattern in the Kalvsjøen formation, Oslo field (late Katian, in late Ordovicium). Can it be two nautiloids or alge? It is some small gastropods there too. The length of the longest "nautiloid" is about 7 cm.
  19. Denis Arcand

    Rock having goosebump

    I found this while fossil hunting see my post The day I went fishing for fossils. I'm wondering what it is , it's between 4 and 6 inches I guess, didn't have an rule with me at that time .
  20. Denis Arcand

    Late Ordovician, Brachiopod and Bryozoan

    From the album: Hash Plates (Late Ordovician)

    I found this multicolor hash plate with many other in an Ordovician formation, see my post The day I went fishing for fossils. The picture was taken in full sunlight

    © Denis Arcand

  21. Denis Arcand

    Late Ordovician, Brachiopods and Bi-valves

    From the album: Hash Plates (Late Ordovician)

    I like the natural color of this red shales and sandstones formation

    © Denis Arcand

  22. Denis Arcand

    Late Ordovician, Brachiopods

    From the album: Hash Plates (Late Ordovician)

    The camera flash is giving this stunning color the the matric and fossils.

    © Denis Arcand

  23. Denis Arcand

    Very small cephalopod ?

    I found this on one of my hash plate, is it what I think it is, a very small cephalopod ?
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