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Showing results for tags 'Bobcaygeon'.
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Returned last evening from a road trip up in the near north. We covered about 1,750 km of road, and although the finds were not plentiful, good times were still had. The missus had some holiday time to spare, so we headed off for adventure. Our main goal was to visit the islands north of Manitoulin, but we had to take the long way around as the ferry was booked solid, and any nearby accommodations were booked many months in advance. So we decided to pay a visit to a fossil friend who is situated in a nice part of the province. Day 1 was taken up driving for most of it, so a 4 hour drive became a bit over 5 hours due to construction and the usual traffic foofaraw through Toronto. When we arrived, time to take out the canoe and swim in the lovely lake. And, of course, spend some time with my friend's friendly pooch. After a night of merriment, it was back on the road again up through the Muskokas. It is all Canadian shield with impressive walls of rock. No pictures, unfortunately, as there are no safe places to pull off. It's about a five hour drive from my friend's place to Sudbury. Our motel was situated just 28 km west of there, so not as close as we would have liked. We bedded down and prepared for our first day of collecting at what I will call "Location 1." The drive down is quite lovely. Winding roads with deep valleys, lakes, and massive precambrian roadcuts.
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Not positive about this one. Found today north of Manitoulin, low to middle Bobcaygeon Fm. Despite very common ostracods, this is not a conspicuous cluster of them, methinks. Echinoderm? About 6 cm top to bottom.
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Alternative combinations: Palaeaster obtusus, Uraster obtusus Lit.: E. Forbes. 1848. On the Asteriadae found fossil in British strata. Memoirs of the Geological Survey of Great Britain, and of the Museum of Practical Geology in London 2(2):457-482 E. Billings. 1858. On the Asteridae of the Lower Silurian rocks of Canada. Figures and descriptions of Canadian organic remains. Geological Survey of Canada 3:75-85
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From the album: Invertebrates
Edriophus levis BATHER, 1914 Ordovician Bobcaygeon Formation Brechin Ontario Canada -
From the album: Northern's inverts
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I didn't take part in the Secret Santa this year but it almost feels like I did, as I received a package from @Nimravis the other day (not a surprise, I knew it was coming, but the timing was right for Christmas) - Edrio's from the Bobcaygen formation. Thanks again Ralph! I could us a bit of help with IDs. I guess they could use a bit of prepping to make them easier to see, but maybe someone can recognize them the way they are. I figure #3 is Belochthus orthokalus, and #4 is Cryptogoleus chapmani, but not sure of the other two. Is #1 a smaller Belochthus? It looks like there are two there but the 2nd one is even more buried so it may not be identifiable. And is #2 a larger Cryptogoleus, or something else? Also, what is the small discoidal bryozoan?
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I recently acquired a Daedalocrinus bellevillensis crinoid fossil plate from the Bobcaygeon formation of Brechin, Ontario. At the bottom of the plate is what appears to be an annelid worm fossil. It is segmented but the segmentation is nothing like the segmentation of any crinoid stems I have seen and is more similar in appearance to a modern earthworm; it also terminates with a point. It also has occurred to me that this might be a frond from a crinoid but I don't know what the terminations look like. Would anyone have any suggestions as to how I might identify this fossil? The picture doesn't do justice to it but the item of interest is the item crossing the crinoid stem. Any suggestions would be appreciated.
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From the album: Invertebrates
Pleurocystites squamosus Billings, 1874 Ordovician Bobcaygeon Formation Brechin Carden Ontario Canada- 2 comments
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From the album: Northern's inverts
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From the album: Northern's inverts
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From the album: Northern's inverts
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From the album: Northern's inverts
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From the album: Northern's inverts
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From the album: Northern's Trilobites
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I was very happy to have my first ebay bid won and this plate was what I got. I've always wanted some fossils from the Lake Simcoe area but I never had the capacity to travel outside that far out of Toronto. Apparently there are two types of cystoids on this plate. This plate comes from the Upper Bobcaygeon formation, Ordovician period from Simcoe County, Ontario. It's a very different fauna from what can be found here in the bedrock of Toronto. Cystoids don't occur in the Georgian Bay formation. Paying for this plate took a bit of a hit on my wallet but I think I think it's worth it considering that I don't have anything like this in my collection.
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Sometimes you get a very pleasant surprise when you get your finds home and start prepping. I was very fortunate to find two relatively complete Amecystis laevis this Saturday October 31, 2015 up at the JD Quarry near Lake Simcoe, Ontario , Canada. They most likely came out of the very top part of the BobCaygeon formation as they were both found in a recently created pile and not in situ. If not it was from the very bottom of the Verulam This picture because of the lighting used came out a bit blue. I am not the best photographer around. The specimen is on an 85mm * 66mm matrix and is 79 mm long from tip of arm to tip of tail (about 3.1 inches) . The theca on the amecystis is 17mm wide by 22 mm long. The Amecystis is a dorsal orientation. The edrio is approximately 6 mm in diameter. I believe this to be a Amecytis laevis (Raymond) by the way Thanks for the correction Kevin (Northern Sharks) there are definitely no pore rhombohedrons on this specimen. It is a shame that the Amecystis and the edrio both have some slight damage to them from the quarry blasting. But they are still very good specimens. The amecystis is fairly well inflated and nicely colored. Here is a better picture showing the true coloring. But to my surprise it has a very nice attached travelling companion in a edrioasteroid which I believe to be an Isorophusella incondita. What makes this super interesting and probably quite rare is the fact that the edrio is attached to the amecystis and may well have been there when the amecystis was alive. I wonder if anyone else has ever come across this particular association. Edrios are often found attached to brachiopods in this locality. This was prepped using 40 micron dolomite under a zoom scope at 22 PSI using a Comco .018 high precision nozzle on a Comco air abrasion unit.
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Just a quick post because this is somewhat of a rarity. About three weeks ago I was hunting fossils in my favorite Ordovician location up here in Ontario Canada with a few friends including Northern Sharks and I found my first ever cyclocystoid. I cannot tell you how many 1000s of crinoid stems I have thought for a split second might be a cyclocystoid or edrioastroid. Finally picked up the real thing...... not an imposter. The segmentation in the ring is the giveaway. This one is in quite a good state of preservation and has had an initial prep under the scope with air abrasion. (40 micron dolomite 22 PSI and .018 nozzle). I may still clean up the center a bit more at a lower PSI and use finer abrasive (22 micron and a smaller nozzle .010) . The fossil is 14mm across. I have not seen one of these found at that locality in person but am aware of two other specimens. One of the other specimens was slightly smaller than this one. A very experienced collector at that site indicated that this was one of the rarest fossils to come out of that location. I am quite pleased with it and it will become part of my personal collection as this is a new species for me at that location.
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