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Some recent Upper Ordovician finds at Mimico Creek, Toronto
Rogue Embryo posted a topic in Fossil Hunting Trips
First, if anyone in the Toronto area is interested in going fossil hunting along Mimico or Etobicoke Creeks, I'd welcome the company! Before I get to a couple of better finds, I'm curious to know what the black fragments are below, which I often find embedded in the shale. Can someone please give me a clue about these? Some orthoconic cephalopods: The next two are the same fossil from different perspectives: Some bivalves: Bryozoans: Cheers, Camille -
Found this lovely pair of bivalves in Mimico Creek over the weekend and hoping to get some help on ID. It looks like either Colpomya or Cymatonota, based on images I've seen. Any ideas in this? Camille
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- bivalve
- cymatonota
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ID help on two fossiliferous rocks, please? Georgian Bay Formation / Mimico Creek, Toronto (Upper Ordovician)
Rogue Embryo posted a topic in Fossil ID
- 6 replies
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- georgian bay formation
- mimico creek
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Upper Ordovician brachiopiod - Strophomena sp. (?)
Rogue Embryo posted a gallery image in Member Collections
From the album: Camille's fossils - Georgian Bay Formation
Field collection by Camille Martin, September 25, 2021© Camille Martin
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- brachiopod
- georgian bay formation
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Upper Ordovician bivalve - Ambonychia radiata
Rogue Embryo posted a gallery image in Member Collections
From the album: Camille's fossils - Georgian Bay Formation
Field collection by Camille Martin, September 25, 2021© Camille Martin
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- ambonychia radiata
- bivalve
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Upper Ordovician bivalve - Ambonychia radiata
Rogue Embryo posted a gallery image in Member Collections
From the album: Camille's fossils - Georgian Bay Formation
Field collection by Camille Martin, September 25, 2021© Camille Martin
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- ambonychia radiata
- bivalve
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Upper Ordovician bivalve - Ambonychia radiata
Rogue Embryo posted a gallery image in Member Collections
From the album: Camille's fossils - Georgian Bay Formation
Field collection by Camille Martin, September 25, 2021© Camille Martin
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- ambonychia radiata
- bivalve
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Upper Ordovician bivalve - Ambonychia radiata (?)
Rogue Embryo posted a gallery image in Member Collections
From the album: Camille's fossils - Georgian Bay Formation
Details are indistinct, but based on shape and location (Georgian Bay Formation), possibly Ambonychia radiata. Field collection by Camille Martin, September 25, 2021© Camille Martin
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- ambonychia radiata
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From the album: Camille's fossils - Georgian Bay Formation
Field collection by Camille Martin, August 25, 2011© Camille Martin
- 4 comments
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- georgian bay formation
- ichnofossil
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Upper Ordovician ichnofossil - bifungites (?)
Rogue Embryo posted a gallery image in Member Collections
From the album: Camille's fossils - Georgian Bay Formation
This dumbbell-shaped ichnofossil measures about 7.5 cm long, including the terminations -- considerably longer than the Ordovician and Devonian bifungites specimens described in Pickerill and Forbes, "Bifungites of Halli from the Ordovician (Caradocian) Trenton Limestone of the Quebec City Area" (1977). Field collection by Camille Martin, May 28, 2018© Camille Martin
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- bifungites
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From the album: Camille's fossils - Georgian Bay Formation
Field collection by Camille Martin, September 14, 2021© Camille Martin
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- georgian bay formation
- mimico creek
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From the album: Camille's fossils - Georgian Bay Formation
Field collection by Camille Martin, September 14, 2021© Camille Martin
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- georgian bay formation
- mimico creek
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From the album: Camille's fossils - Georgian Bay Formation
Field collection by Camille Martin, September 14, 2021© Camille Martin
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- georgian bay formation
- mimico creek
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From the album: Camille's fossils - Georgian Bay Formation
Field collection by Camille Martin, September 14, 2021© Camille Martin
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- georgian bay formation
- mimico creek
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From the album: Camille's fossils - Georgian Bay Formation
Kingdom: Animalia Phylum: Mollusca Class: Cephalopoda Order: Orthocerida Family: Proteoceratidae Genus: Treptoceras Species: T. crebriseptum Author Citation: Hall (1847) [then known as Actinoceras crebriseptum] Eon: Phanerozoic Era: Paleozoic Period: Ordovician Sub Period: None Epoch: Late Georgian Bay Formation Mimico Creek Toronto Ontario, Canada Field collection by Camille Martin on 09/14/2021 Comments: Sephuncle segment compression ratio (SCR) = 1.0 EQUIAXIAL T. crebriseptum is a species of Treptoceras found in the Georgian Bay Formation at Toronto. See Robert C. Frey, "Middle and Upper Ordovician Nautiloid Cephalopods of the Cincinnati Arch Region of Kentucky, Indina, and Ohio" (1995) 25-26, 45.-
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Recently had a nice excursion to Mimico Creek in Toronto, Canada, and am getting a little better at finding fossils. Here are five photos of three rocks, including a couple of close-ups. Will post a few more soon. Any help with ID would be appreciated! Camille
- 10 replies
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- mimico creek
- ordovician
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I know crinoid "forests" are a dime a dozen, but still its nice to find one so packed . . . And some bryozoan pieces, my first that I can identify with a bit of confidence . . . but please correct if I'm mistaken. Cheers!
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Here are a few more of my recent finds at Mimico Creek. As always, I'm grateful for comments and IDs to increase my knowledge! By the way, I'm interested in connecting with others in the Toronto area to go on fossil hunts. Cheers! Camille
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- georgian bay formation
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Hello. Any comments on this find (3 photos below) at Mimico Creek in Toronto (species, anatomy, etc.) would be appreciated!
- 2 replies
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- mimico creek
- nautiloid
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- 6 replies
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- crystallized
- mimico creek
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A very successful hunt (for me) in the Toronto area!!!
Monica posted a topic in Fossil Hunting Trips
Hi everyone!!! I had the afternoon to myself today because William and Viola are at day camps this week and my husband was busy, so I decided to check out Mimico Creek (Georgian Bay Formation, Upper Ordovician) by myself for a couple of hours. I didn't make many finds, but the finds I did make were super-amazing (by my standards, anyway ). As I was walking along the creek when I first arrived, I was checking out the wall of rock when I noticed a pattern: After gently prying out the rock, this is what I found: Hooray!!!!!!!!!! My first Flexicalymene granulosa!!!!!!!!!! For those of you who have read my trip reports and ID requests in the past, especially when I first started fossil-hunting in 2016, I always went out hoping to find a trilobite, and today I succeeded!!!!!!!!!! I then spent about an hour mucking about, not finding much, when I decided to hammer a big slab of rock that had some worn bivalves on the surface. Lo and behold, hidden underneath that layer of rock was the most beautiful Treptoceras crebriseptum orthoconic nautiloid that I had ever seen!!!!!!!!!! The bottom part of the fossil doesn't appear to have septal divisions, and it's a little flatter than the rest of the fossil - could it be the living chamber?!?!?! I cannot believe my luck today - this has been my best day of fossil-hunting in the Toronto area in the past 3 years!!!!!!!!!! I'm so excited!!!!!!!!!! I do have to play it cool at home, though - I don't want Viola to be disappointed that she missed out (I haven't yet told her what I did today - it'll be a secret for a while). @JUAN EMMANUEL @Wrangellian @Ludwigia @Malcolmt - I thought you might like to see- 63 replies
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- etobicoke
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Hi all! I ventured out to Mimico Creek in Toronto, Ontario today to look for fossils. It was very cold and the rocks were frozen together, but I managed to pry out one large rock that has some interesting fossils on it. The fossils are from the Georgian Bay Formation (Upper Ordovician). The rock caught my eye because I could spot a few Cornulites flexuosus on one side, but after I brought it home and washed it, I was pleasantly surprised to find that the other side had even more interesting items on it! I'm not exactly sure of what I'm looking at, though, so I'm asking for your help. I'll tag @FossilDAWG since he's quite knowledgeable about fossils in my area Firstly, here's the whole rock so you can get an idea of the size of the fossils within the rock (i.e. they're generally quite small): Now on to the fossils! Here are some shiny black items that I've never seen before, but they look like scolecodont Oenonites sp. - what do you think? (I only circled the items that look sharp enough to be identified - the other black items I'm very not sure about!) Here are a couple of long, thin, and delicate-looking crinoid stems - can they be identified at all? Perhaps something like Ectenocrinus simplex (which does occur in the Georgian Bay Formation)? (The second one is located between the branching bryozoans which I think may be the bryozoan Homotrypa sp.) More to come...
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- georgian bay formation
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Hello there! I took advantage of the nice weather we've been having to visit Mimico Creek in Toronto, Ontario (Georgian Bay Formation, Upper Ordovician) yesterday afternoon. Here are some photos of specimens that I'd like help identifying - perhaps @Tidgy's Dad would like to have a look? Firstly - the whole rock which contains the bryozoans and the unknown black objects: Specimen #1: a nice branching bryozoan - perhaps Homotrypa? Specimen #2: a nice encrusting bryozoan (there are actually two of them) - perhaps Mesotrypa? More to come...
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- bivalve
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From the album: Urban Fossils of Toronto (Georgian Bay Formation, Lower Member)
Endoceras proteiforme, found in the Humber river area. Late Ordovician, Georgian Bay formation, Toronto, Ontario. Length is approximately 35 cm long with a nickel shown. This specimen is a portion of the whole fossil that is still to be excavated (it's just so difficult to dig out) and the remaining body of this thing is still there at the site where I got this.© (©)
- 3 comments
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- cephalopod
- endoceras
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From the album: Urban Fossils of Toronto (Georgian Bay Formation, Lower Member)
The smallest complete Treptoceras crebiseptum specimen in my collection. It even has the body chamber. Length is 10 cm long. Found in the shales of the Georgian Bay formation, Lower Member at Mimico Creek in Etobicoke, Ontario, Canada. Late Ordovician.- 1 comment
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- etobicoke
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