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Showing results for tags 'ontario'.
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Ordovician Marrellomorph from Ontario
MarcusFossils posted a topic in Partners in Paleontology - Member Contributions to Science
I found this specimen in 2020 and donated it to the Royal Ontario Museum later that year. A paper is to be published very soon formally describing it! It's a roughly 7cm wide mimetasterid marrellomorph - the only marrellomorph know from the Ordovician of Canada, and one of a handful of such arthropods recorded worldwide. I found my very first trilobite in 2014. The members of this forum helped my ID it, learn more about the stratigraphy of my area and what tools to use to find more. Thanks to that base of knowledge,, the last 7 years have seen paleontology become an increasingly important part of my life. This incredible fossil in the culmination of what started right here on TFF- so thank you! 1) False color composite image courtesy of Enrico Bonino: 2) Part 1 3) Part 2 4) Handing-off the specimen to JBC
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- marrellomorph
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Found this along the shores of Lake Ontario in Canada. Measures about 2" x 1.5". Any ideas what it is/was? Thanks!
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- canada
- lake ontario
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I purchased this from a woman in Ontario, Canada with no other information as to what it may be. Does anyone have any ideas?
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From the album: Nautiloid’s Trilobite Collection
Failleana indeterminata Middle Ordovician Simcoe Group Verulam Formation James Dick Quarry Gamebridge, Ontario© Owen Yonkin 2021
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I was walking my dogs this afternoon (EST) and I noticed a rock that was kind of rusty looking but spherical from the angle I was looking. I picked it up for some reason and when I flipped it over I saw some fossils I've seen before and a couple I haven't. The more I looked at it I thought this maybe part of a skull that sea life made a home in possibly? There is one fossil that almost loos like it still has color but that maybe the hue off the marbleized fossil I guess too. The fossil is very heavy and round almost oval shape aside from one section that is maybe missing? Also looks like a very small piece broke off or was scrapped off. You can see the white spot where this may have happened in the side view pics. I couldn't find my tape measure sorry. I used a AAA battery in a bunch of pics since I'm pretty sure that's a world wide standard. You can also refer to a 500ml Round bottom Pyrex flask. It's not a perfect fit but it would be very close to filling the bottom half of the flask.
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Well it has finally opened to the public on December 4rth. "The new Dawn of Life Gallery" at The ROM is perhaps the best gallery on the planet covering the earliest life to the emergence of land dwelling creatures. I was fortunate to have a tiny part in the new gallery having prepared a number of the museums specimens and also having donated and sold them some pieces . Here is a tiny taste of what you can see in the new gallery. It will not disappoint.
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My friend found this on a beach on lake erie, I'm thinking barnacles?
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This was found in SW Ontario along the coast of Lake Huron. It looks trilobite-like, but I’m new to the area and am unaware of fossils in area. I would appreciate any assistance in identifying this. Thank you!
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Two more that stump me! The first is from Humber River, and the second was found on the beach of Lake Ontario, in Toronto. 1. I see iron deposits, I assume. Judging from the staining and the smell it leaves on my fingers! But the little whorls are confusing. As are the little flat edges that sparkle and that serrated? Indentation. I suppose 'serrated' isn't the word, but I can't quite describe it! Seems like a weird conglomerate of different things. (Fear not. The needle is used for depositing water into my ant colonies but I figured it was a good way to measure as it doubles as a tiny ruler.) 2. I'm fairly certain this is a just a rock, but I'm not sure what's going on with the shining bits. Pyrite perhaps? Though pyrite isn't a fossil, of course. Hopefully this isn't an irritating ask! If it is, I'll happily refrain from any further rock shenanigans.
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Hello! I was here a few years ago asking for ID, and I'm back again. I scour the Humber river in Toronto for water insects and rocks, usually, and I found what I think are some fossils! If anyone can help me identify them, I'd be very grateful. I have some pictures below. The 'fossil', if it is a fossil, is just slightly under a centimeter across. (As a bit of an aside, I'm an avid fan of rocks but I can't usually figure out what they are, other than nice to look at. Is this an appropriate place for potentially IDing those, as well? Or should I find a rock forum in particular?) 1. This is the only one I think I know! I'm assuming those are crinoid bits in there. The rock itself is a little over two inches across. This is the front, And this is the back. 2. All I know is this seems shellish. Front and back, below. About an inch, maybe a little more. 3. This one seems similar to the one above, but I've got an eye for bugs, not for fossils. An inch across, if not a little more. 4. No idea where to start with this. The upper left corner is what caught my eye. The macro shot is a bit blurry. My apologies! The 'fossil', if it is one, is about a centimeter wide, slightly less.
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While going through mostly Amherstburg/Lucas Fm material with some Dundee Fm today, I encountered this fairly large cephalon (~5 cm wide). Odontocephalus (n.sp?) pygidia have appeared in this material, along with Pseudodechenella and Crassiproetus (and just one tiny "Mystrocephala" pygidium). Overall, though, it is miserable, chalk-cherty, bituminous, generally low sedimentation material. It seems a match for Trypaulites, but it seems a bit on the large side (and the exaggerated anterior "prow" gives me pause). Apart from age of the material, I can likely rule out Anchiopsis given the absence of the occipital spine. If it is Trypaulites (making my first cephalon find of this genus), I am not entirely satisfied with making that call more certain on the basis of either images in Ludvigsen or Lespérance. I could be overthinking what could simply be an artifact of preservation or a natural in-genus morphological variation, but always best to get a second opinion.
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- dalmanitid
- devonian
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A recent visit to one of my special Dundee Fm locations yielded the usual assortment of fragments of Coronura aspectans, Pseudodechenella sp. Odontocephalus (n.sp.?), Trypaulites sp., and Crassiproetus sp. This one fragment was found in the talus of my splits (so I could not locate the impression, and it sits on the natural edge of the rock). The material is a near-shore fissile facies of the Dundee Fm (SW Ontario). Comparing against other usual fragments has not made for a satisfactory enough match for me. I'm including a closeup grey-scaled image of the fragment, and a regular photo (which includes a Coronura aspectans pleural segment above the fragment). The pygidial "margin" appears quite a bit larger and effaced. For scale reference, the pygidial axis measures 1.1 cm in length.
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From the album: Trilobites
Evidence of 15 individuals on this plate I collected from the Thornloe Fm, expertly prepared by the legendary MT.- 3 comments
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- encrinurid
- ontario
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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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From the album: Misha's Middle Devonian Fossils
Eldredgeops rana, Microcyclus thedfordensis Givetian Arkona Shale Formation, Hungry Hollow, Ontario, Canada. I do not remember if these were from a trade, conttest or gift but they were kindly sent to me by @Monica -
From the album: Misha's Middle Devonian Fossils
Tornoceras arkonense, Bactrites arkonensis Givetian Arkona Shale Formation, Hungry Hollow, Ontario, Canada. I do not remember if these were from a trade, contest or gift but these wonderful little fossils were kindly sent to me by @Monica -
These bits are on the same piece of rock, kindly sent to me by the marvelous @Monica. They are from the Etobicoke Creek, Toronto, Ontario, Canada and are Georgian Bay Formation which is Late Ordovician in age. I think they are likely bryozoa, but stromatoporoid might be possible for the first one and algae for the second. They are found in a piece of rock that also contains Paupospira (was Lophospira) gastropods, crinoid stems and individual columnals, Cornulites flexuosus and Flexicalymene granulosa. The first one doesn't seem to have much depth to it. 1 to 2 mm at most. The second one is a stick ! Another stick : And what are the spiky toothy things?
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Crystalline... Sponge? (Little Current, Manitoulin Island, Ontario)
CabinTom posted a topic in Fossil ID
Found along the shore of the North Channel at Little Current, Ontario. Large, bumpy nodule which seems to be completely formed of (calcite?) crystals all the way through (I'm surprised by the multiple colours, but maybe that's normal?). I'm assuming it's a sponge, though wondering if someone could give a more specific ID or perhaps explain the crystallization seen here.
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Found on Manitoulin Island. I believe at Kagawong... but unfortunately, it's been a while and I didn't make any notes at the time.
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Found in a roadside cut on Goat Island, just north of Manitoulin Island's swing bridge. A layer of hexagonal "scales" overlaying a branched structure. What is this? I have no idea what I'm looking at! Also the top corner has a small ribbed structure which seems to be separate from the rest. If someone has an ID for this as well, that'd be amazing!
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Found along the shores of the North Channel at Little Current, Manitoulin Island. Slightly domed. Knobby outside, crystalline (calcite?) inside.
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Found along the shore of the North Channel at Little Current on Manitoulin Island. Any chance this can be ID'd more specifically? I
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Found on the shore of the North Channel at Little Current, Manitoulin Island, Ontario. The side of the piece features a transverse view of a Crinoid. Can this be ID'd more specifically? Above is some sort of shell. Can this be ID'd? There are various other small fossils, though I don't know if those are identifiable.
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Trilobite? (Little Current, Manitoulin Island, Ontario, Canada)
CabinTom posted a topic in Fossil ID
I found this along the shore of the North Channel at Little Current, Manitoulin Island, Ontario. I understand the small dark traces are Graptolites. Would anyone have any info on what I assume is a Trilobite?
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I found this fossil in the Georgian bay formation in the GTA in southern Ontario. I have no idea what the area highlighted in blue is (first picture). It looks like a slug or some type of annelid. My only guess is some type of Machaeridian, but I doubt it's that as well. Any ideas? It measures around 9 cm tip to tip, Thanks
