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Showing results for tags 'brechin'.
Found 15 results
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Synonym: Pleurocystites robustus Billings, 1854. Alternative spelling: Pleurocystis. Taxonomy from fossilworks.org. Diagnosis (Sprinkle et al., 1985): “Theca rounded-triangular, nearly symmetrical; 3 rhombs elliptical, dichopores occupying less than 40% of sutures; periproct occupying 70% of lower side, about 680-700 periproctals, no rectal lobe, anal pyramid away from margin; ornament composed of medium growth lines and few ridges radiating to the plate sides and corners; brachioles having large groove extending up aboral side, cover plates fairly large; proximal stem slowly ta
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- katian
- simcoe group
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References: Timothy Paton, Carlton Elliot Brett (2019) Revised stratigraphy of the middle Simcoe Group (Ordovician, upper Sandbian-Katian) in its type area: an integrated approach. Canadian Journal of Earth Science. DOI: 10.1139/cjes-2018-0023 Kammer TW, Sumrall CD, Zamora S, Ausich WI, Deline B (2013) Oral Region Homologies in Paleozoic Crinoids and Other Plesiomorphic Pentaradial Echinoderms. PLoS ONE 8(11): e77989. doi:10.1371/journal.pone.0077989
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From the album: Invertebrates
Edriophus levis BATHER, 1914 Ordovician Bobcaygeon Formation Brechin Ontario Canada -
Here are two Edrioasteroids from the Verulam Fm. (Ordovician) near Brechin, Ontario, Canada. The first one might be Isorophusella? (specimen is 1 cm in diameter). The second one may not have enough present for ID: @crinus
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- edrioasteroid
- verulam fm.
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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
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I've posted this on FB, but a certain expert is rarely on there. This was the crinoid I found a few weeks ago that had everyone stumped at the time. Now, after my preliminary prep and then an hour or so of Malcolm's magic, none of us are any the wiser as to what it is. It's from Ontario's Ordovician Bobcaygeon formation and doesn't match anything in the local reference book. It seems as though the plates at the bottom are fairly distinctive so does anyone have any clue as to a possible identification????
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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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- pleurocystites
- bobcaygeon
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What is this
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Help identify this fossil I found in a quarry in brechin Ontario
Ericneufeld posted a topic in Fossil ID
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Here are my finds from the Verulam fm in Brechin Ontario. I had never been to an active quarry before so it was cool to see some of the machinery in addition to the unending supply of rocks to split. The temperature was amazing for December and we didn't get any rain. The very bottom of the quarry exposes the Bobcaygeon fm but it was flooded this time. @Malcolmt thanks for taking me to your spot! I remember what you said most of these are but will need reminding on a couple... 1. Pleurocystite - sadly missing the stalk and one of the arms but great to find one (Didn't k
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I had an amazing day up at my local spot collecting. There had been no new blasts or work at the quarry so I decided to scour the pit wall near the north end of a pond area near the road way down into the BobCaygeon formation material. Those who collect there will know the general area. . To my surprise I found very quickly a fortediscus edrioasteroid about 1 1/2 inches across. Will likely post something on it once it is prepped . I quickly noted that there was a crinoid layer about 3 inches above the layer the edrio was on and that there was a layer about 3 inches below the edrio that I coul
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- brechin
- ordovician
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If anyone is interested I will be taking / meeting some people from the Fossil Forum to go to Penn Dixie (Hamburg NY) on Friday June 2 and Brechen (about 1/12 hours north east of Toronto) on Saturday June 2. Please PM me if you are interested in joining us. Expect to work hard but come away with some nice goodies. Both localities are good for trilobites, Brechin also adds crinoids and cystoids to the mix as well as brachs and all those other things that I don't collect.
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Well I went out collecting on Saturday which turned out to be a cold and windy day. Got there after a two hour drive at about 7:45. Was too cold overall with the windchill, ended up leaving about 2:30, usually stay till about 4:00. I was pretty disapponted on the day as I only brought 5 pieces of matrix home with me. My two regular collecting buddes had no better luck (perhaps even less) than I did. One of them even gave up at 11:00 which was very unusual. For me, a crappy disarcticulated isotelus about 2 inches long but it had a nice cephalon with perfect eyes. A star
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Here is a highly inflated 3-dimensional Homocystites sp that was found this past Saturday May 14 on a very cold rainy day. The only bright note to the weather was that the wet matrix made it a bit easier to see the fossils. This is from the Ordovician Verulam formation and was found in a new blast pile from the previous 7 days. The homocystites typically found is Homocystits anatiformis which is found in the Cobourg formation. This species is typically a little smaller and is under review as potentially being a different species. Homocystites has an ovate theca and a fairly long stem (mo
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Here is an extremely rare association of a pretty much complete Ceraurus globulobatus trilobite and a ventral partial amecystite echinoderm from the Verulam formation of the Brechin area in Ontario , Canada. Over the next month or so I will be taking a number of forum members and clubs to this area to hunt. Hopefully there will be some nice finds that we can share. This specimen was found by splitting rock at the end of April 2016. We tend to find the best specimens at this locality by splitting rock. the shaley limestone does not weather well once exposed to the elements.The preservation obs
