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I read some information somewhere suggesting that bryozoan species can be distinguished by the shape of their pores. Is it possible to identify the following bryozoan from this cross-sectional image? Additionally, could you provide insights into the criteria used for identifying bryozoan species? I have encountered limited online documentation on this topic and would appreciate any advice you can offer.
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Hi all! I am back again (this time in Montréal and found a peculiar looking fossil. It is very circular, almost has a subtle stippling on the top surface (which leads to think maybe a sort of precursor coral/bryozoan). It popped out very cleanly from the rocks we were excavating. The other fossil for ID is the brachiopod in the 4th and 5th pictures: Topside Underside Side Profile (its rather thin, but thickest in the middle - somewhat dish-like) Measurements Brachiopod for ID Thanks in advance! -Em
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This is a rare find of dinosaur remains preserved with its last meal. Of the hundreds of skeletons of carnivorous dinosaurs discovered to date, only 20 cases retained traces of their last meals. This discovery made during a visit to museum collections in China brings their number to 21. https://www.mcgill.ca/science/channels/news/other-paleo-diet-rare-discovery-dinosaur-remains-preserved-its-last-meal-344495 https://www.tandfonline.com/doi/full/10.1080/02724634.2022.2144337
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Hello guys! I did some cleaning in the backyard in Deux Montagnes, 10 km North of Montreal. In a piece of rock I found some fossils of mostly bryozoan. Could you suggest what time these could be? I guess it is near Ordovician. It is sedimentary, 2 layers of such sediments, between them there is quartz or silicium rich sedimentary layer . The layer on the top is fragile, layers bellow are hard. 1, 2. 3, 4. 5. 6. 7. 8. 9.
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I found this specimen in Laval, on the South shore, West side. There was a fall there, next to the river there is a mixture of different layers. The time should be after Ordovician or late Ordovician. The rock is black, on very thin flat layers. Some layers are very hard / silicates/ other are fragile, mud - coal . Initially I expected it to be nautiloid. But when I did the pictures I rejected it. 1. Both parts 2. 3. 4. Side view - both parts 5. Cleaned (lower part) 6. 7. 8. 9. 10. 11.
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Hello again guys! This specimen is more special. Initially I took it because I saw a nautiloid in it. Totay I found there is also a trilobite inside it. Then I started to suspect if the Nautiloid part is not also the same trilobite. It is the same layer as yesterday, same place. Probably middle - late Ordovician. Found near boul. DesSources, on the shore of the river between Laval and Montreal. #1 #2 #3
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Hello guys! So far I don't find many trilobites. What I find usually is some peace of the trilobite. Today I was lucky to find a piece that has 2 heads/ cephalon/ of trilobites. These are small The rock speciment was not on its original place, it was near the shore, but still it match to what else we have on that place. #1 #2 #3 #4 #5 #6
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- montreal
- ordovician
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Hello guys! Today I visited antother place between Montreal/ Laval, on the North shore of Montreal. Spectacular place, many fossils. But the mostly found is a nautiloid/ cephalopod. I've seen such speciments already, however on this place there were so many of them, can't compare it with other places that I visited. In addition, other specimens before were spread out of their original position. Here I have all in one place, the original place . all specimens #1, #2 , #3 N3 #4
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Today I found another example of Conulariida. Location: Ile Bizard, North Shore, near Laval. #1 #2 - the first 2 pictures are from the site where I found it #3 #4 #5 #6
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- conulariida
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Hello guys! I would like to hear your oppinion on these circles. I was suspecting for amonites, but it could be just a Bryozoa. #1 #2 #3 #4 #5 #6 #7 #8 #9
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Hello guys! I am trying to get a better dating and hope this crinoids may give some information. Location: Ile Bizard, North Shore at Lac Deux Montagnes. N.1 N.2 (same) N.3 N.4 N.5 N.6 N.7
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My next question is a difficult one. There was a colision . In the beginning I was suspecting a fall. Then I suspected a meteor. And I was almost convinced about meteor. Then, today I visited the place for the 3-rd time and I found that some layers are folded. So if there was a meteor, the layers should not be folded. Therefore - it was a simple colision between South and North platforms. ( or it was between Canadian platform with oceanic shelf. ) In such small place I see a very solid bottom - bed rocks - made of sandstone / possible Potsdam/. First layers - almost no life. Then the life start all of a sudden. It's full of life. . Then there was a colision. Something like a small hill was formed. / can not be called a mountain/. But this hill was high enough to stay above the water so the accumulation of sand and mud stopped and I don't see much anything above the colision point. The collision was the final moment before all accumulation of sand and rocks stop. This seems to be a quite early colision - tectonic I guess - and it could be before Ordovician time. I don't really see any crinoid . There are some simple shells , but they don't even seems to be brachiopods. I was not able to find so far any trilobite. That't why I suspect this place is older - pre-Cambrian, may be Ediacaran. Somehow this collision between North and South is very visible on the site.. A lot of Iron. A lot of heat. The mud became hard as a brick. #1 #2 #3 #4 #5 #6 #7
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Hello guys! Please assist for dating of such rocks. I suspect it is Silurian, but it could be also later Devonian. I find plenty of these here like pieces of rocks. Gray-blue - in color, very hard. It is lile a cement, but harder than cement. And it has lot of organic materials inside - mostli marine plants or animal. The diameter of the stems is 3-4 cm and more. N.1 N.2 N.3 N.4 N.5 N.6 N.7 N.8 N.9 N.10 - here we see some small brachiopod N.11
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I found this fossil today, near L'Île-Bizard - on the shore. It is some kind of big snail. N.1 N.2 N.3 N.4 N.5 N.6 N.7 N.8 N.9
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Please help to identify what kind of Brachiopod is this: N.1 N.2 N.3 N.3 N.5 N.6
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When I found this small piece - I was sure it is a brachiopod... But now after looking on many other things, I am sure it is not a brachiopod. I am thinking about the base of a coral. Please help to identify it. This should be Ordovician. N.1 N.2 N.3 N.4 N.5 N.6 N.7
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Hello guys, please assist to identify this fossil. N. 1 N.2 N.3 N.4 N.5
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Bryozoan, huge animal , look like a plant- Ordovician or Silurian ?
Dimitar posted a topic in Fossil ID
Found between Montreal and Laval, Lac du Preries, on the south shore of it. Dating: late Ordovician or Silurian. possible: Phylactolaemata Plumatellida Please confirm if this is the case here ? I am withut experience in this field. N.1 - the stem N.2 - stem and branches N.3 - root and stems N.4 dimensions N.5 - bottom view N.6 - liphophore - and flowers around it N.7 - animal structure N.8 - animal details structure N.9
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Please confirm if this is a trilobite head .
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Hello again, here are some pictures of corals that I find in the rock. Origin - near Montreal, exact location is unknown, because I find this rock in the park, it is not clear where exactly it came from. Should not be far from Montreal area. N.1 N.2 N.3 N.4 N.5 - Mollusca or Brachiopod
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Hello guys! Please advise if this is a geological formation, or if there is any organic activity - cyanobacteria? Thanks! N.1 N.2 N.3
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Hi guys! Please assist to identify if this is a Jellyfish strobila fossil . I was expecting it to be a plant, but the shape of the disks is so different. N.1 N.2 N.3 N.4
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Hello again guys. Today I walked again on my places, and I payed more attention ot pre-ordovician layer.. Ordovician - as we can see it - it is full of life. But just 1-2 layers below , there is almost nothing. Except Tribrachidium . This seems to be the main finding that I have, the rest is pretty much mud and nothing else. So Tribrachidium: this look like snail , the snail without andy shell.. And it has 3 brachidiums - 3 internal structures that seems to be symetrical between each other. N.1
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Hey I am currently going through and reorganizing my collection when I came across these that have no Id information, I was wondering if I could get some help with these fossils. The first was sent to me by a friend in Montreal, QC, and was collected on the south shore. Other than that, no information came with it. I think its an endocast from a snail shell. The second and third I collected personally, and they are from the Hull formation in Ottawa, ON. The second is a brachiopod, but I don't know the species. Finally, the third is also from the same site, and is about 2 cm long. When I first recorded it I labeled it as a split snail shell, but I'm questioning that now. Thanks in advance for your help everyone.
