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Showing results for tags 'hyolith'.
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Today I decided to try my luck at Hoppin Hill. It was a bit too sunny, but otherwise good weather. The fossils mostly found are the small shelly fossils. I spent a good first hour and a half wasting my time on the extremely sparsely fossiliferous basal quartzite and grey argillite, on the west side of the inlet of the reservoir. I found a couple of ichnofossils, but not anything else. With little luck and half an hour left, I found the red slates on the east side of the exposure. The following are my meagre finds. Conotheca mammilata(?) Some extremely fragmentary trilobite bits. And lastly, a partial cranidium of Strenuella strenua. I will hopefully find some better stuff now that I know where the good outcrops are.
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From the album: Misha's Middle Devonian Fossils
Largest Hyolith specimen I have found so far Hallotheca aclis? I don't see any longitudinal striae on the specimen so I don't think it is Hyolithes striatus Givetian Moscow Fm. Hamilton Group. DSR -
From the album: Mahantango Formation
Hyolith Juniata County, Pennsylvania -
I wonder if hyoliths are common in Pennsylvanian strata. Are they found in Mazon Creek Nodules?
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- hyolith
- late carboniferous
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Working on my own id's. Is this a Hyolith, Gastropod, Rugose Coral or something else?
turtlefoot posted a topic in Fossil ID
Once again, I am studying and working on my own identifications. I am just needing someone to either confirm or correct me on this one. My first guess when I saw it was it was a gastropod of some sort, but after researching and looking at images online, my guess is that it is an internal cast of a hyolith. It was found in northwest Howell County, Missouri, USA. The fossil in question measures approximately 16mm and the host rock measures 80mm across. The widest point across of the cavity where the fossil in question lies is 8mm. Once again, I am truly appreciative of any help that you are willing to give me. Doug- 10 replies
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crinoid stem, ichnofossils, and maybe a hyolith at Etobicoke Creek?
Monica posted a topic in Fossil ID
Hi all! Yesterday afternoon I visited my local haunt (Etobicoke Creek, Georgian Bay Formation, Upper Ordovician) with the kids, and I found a few items that I'd like to show you: Item #1: long crinoid stem - any ideas as to its identity? Item #2: big piece with ichnofossils - item circled in yellow is ichnofossil "a" and item circled in orange is ichnofossil "b" Item #2a: ichnofossil "a" top view Item #2: ichnofossil "b" top view Item #2: ichnofossil "b" side view Item #3 top: two views of a mineral stain that has the shape of a hyolith - what do you think? Item #3 bottom: crinoid columnal impressions (I think!) so it is fossiliferous rock (I think!) so perhaps the specimen above could've been a hyolith??? Thanks as usual for your help! Monica- 7 replies
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- crinoid stem
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I just received these small Cambrian hyoliths from China. The seller was unable to provide any specific ID, and does not know what formation they come from. All he knew was that they come from near Woniu Mountain, Linyi City, Shandong Province. They are about a quarter inch long each. Any thoughts?
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This is from Little Falls, NY. I noticed it on a small chip of shale. The first thing that came to my mind is a hyolith because of the cone shaped top and the small semicircle that is just in front of it but looks detached. The fossil site I found this in seems to be relatively deep water due to the presence of Triarthrus trilobites and large, straight-shelled cephalopods. Is this consistent with habitats hyoliths have been found in before? Sorry for the blurry photo, it's the best I could get. The camera doesn't want to focus on it.
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"In the past, hyoliths have been interpreted as being related to molluscs, which are common today and include squid, clams and snails. The new research suggests the animals are in fact more closely related to a different group of shell-bearing organisms, known as lophophorata, which includes brachipods (lamp shells), among others." http://www.bbc.com/news/science-environment-38585325
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- burgess shale
- cambrian
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From the album: Fossildude's Middle Devonian Fossils
Middle Devonian Hyolith - possibly Hallotheca aclis. Moscow formation Hamilton Group, Deep Springs Road quarry Lebanon, NY.© © 2016 Tim Jones
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