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Showing results for tags 'hamilton group'.
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New Identification Posters for Common Hamilton Group Cephalopods
Bringing Fossils to Life posted a topic in General Fossil Discussion
I just made new ID posters for Hamilton Group Cephaloods - one for Nautiloids and Bactritoids, and one for ammonoids. The reconstructions are either new or updated for accuracy. Color patterns on the first picture are based on close relatives. If anyone has any suggestions, please let me know - I want these to be as useful as possible. -
I recently went to Penn Dixie for the first time and was not disappointed. Our tour guide first showed us the youngest rocks, then the pyrite. Here I found a tiny juvenile Tornoceras, Bactrites, and out guide showed us that individual septum can be found (see this post). I also found a fragment of a non-pyritized tiny Eldredgeops thorax. I found what HynerpetonHunter says is worm coprolites, and a few tiny brachiopods. Then, we went to the place where phosphate can be found. After that, we stayed a little at the place where fossils from the oldest layer were deposited in the soil, and I found
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From the album: Nautiloid’s phyllocarid collection
This is a nice 3D example of a Rhinocaris carapace, which was found by me on May 14 at a Middle Devonian site in Central NY© Owen Yonkin 2022
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From the album: Nautiloid’s phyllocarid collection
© Owen Yonkin 2022
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From the album: Nautiloid’s phyllocarid collection
This is a great specimen of Rhinocaris columbina which I collected a couple summers ago. Both sides of the carapace are there as well as the majority of the telson, which is tucked around the underside of the rock.© Owen Yonkin 2022
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From the album: Nautiloid’s phyllocarid collection
© Owen Yonkin 2022
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From the album: Nautiloid’s phyllocarid collection
This beautiful near-complete specimen was collected by me a couple summers ago at an exposure of the Middle Devonian hamilton group in Central NY.© Owen Yonkin 2022
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From the album: Nautiloid’s phyllocarid collection
This specimen is a partial valve and a partial telson. It was collected by me on May 14 at an exposure of the Middle Devonian Hamilton Group in Central NY.© Owen Yonkin 2022
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From the album: Nautiloid’s Trilobite Collection
Another view of the same Dipleura showing the head tilted over the front of the rock.© Owen Yonkin 2022
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From the album: Nautiloid’s Trilobite Collection
Collected on 5/13/2022 in Central New York Probably Moscow Formation Hamilton Group, Middle Devonian© Owen Yonkin 2022
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From the album: Fossildude's Middle Devonian Hamilton Group Fossils
Eldredgeops rana. Enrolled specimen. Middle Devonian Hamilton Group, Windom Shale, Penn Dixie Quarry Hamburg, NY. Self prepared.© 2017 Tim Jones
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From the album: Fossildude's Middle Devonian Hamilton Group Fossils
Phestia brevirostra bivalve. Windom Shale Member of the Moscow Formation, Hamilton Group, Middle Devonian (Givetian) Deep Springs Road Quarry, Earlsville, NY.© 2022 T. Jones
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From the album: Fossildude's Middle Devonian Hamilton Group Fossils
Retispira leda gastropod with Paleschara incrustans encrusting bryozoan attached. Plate also has a Cypricardella bellistrata bivalve and Craniops hamiltonae brachiopod nearby. Windom Shale Member of the Moscow Formation, Hamilton Group, Middle Devonian (Givetian) Deep Springs Road Quarry, Earlsville, NY.© 2022 T. Jones
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I've been looking at these for sometime and am stumped as to what they may be. Found in Lansing NY. First up, photo's labeled #1 and #2 (hourglass shapes). I believe the matrix to be Tully Limestone. I have the scale written on one photo as 1.5 cm x 7 cm. They are of similar size. I wondered if they could be orthocone or crinoid but am unable to find any information or photos to compare them to as they are weathered. Both have the same somewhat zig zagging cross hatching patterns. Lastly, (#3) Believed to also be in Tully Limestone. I found what appears to be some type
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From the album: Fossildude's Middle Devonian Hamilton Group Fossils
Devonian - Eldredgeops rana, from the Penn Dixie quarry, Hamburg NY.© © 2013 Tim Jones
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Goniophora from Geer Road Quarry, Madison County, N.Y.
Jeffrey P posted a gallery image in Members Gallery
From the album: Middle Devonian
Goniophora hamiltonensis Paleoheterodont Bivalve Middle Devonian Upper Ludlowville Formation Hamilton Group Geer Road Quarry Eaton, N.Y.- 1 comment
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Tiny Strophomenid Brachiopod Preserved in Pyrite from DSR
Jeffrey P posted a gallery image in Members Gallery
From the album: Middle Devonian
Rhyssochonetes aurora Strophomenid Brachiopod Preserved in Pyrite (just over 1/4 inch in width) Middle Devonian Moscow Formation Windom Shale Hamilton Group Deep Springs Road Quarry Earlville, N.Y.- 2 comments
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Hi all! Please tell me this is more than a concretion! Edit to add location: Found in Lansing, NY. The matrix is a dark grey/black shale that breaks under it's own weight when I lift pieces and it breaks off into big chunks unlike thinner layered shale also in the area. I think I see crinoid stems and wonder if there are other fossils (Hallotheca acils ?) under a shallow layer of sediment making the cone shape appear to have rounded sides or is this something completely different (I think I've been finding nice molds of Hallotheca acils in close proximity to where I found this guy today). I ho
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HELP! How do I stabilize this coral? Found hours ago and it's falling apart!
Plantgrogu posted a topic in Fossil Preparation
I have an urgent request! I found this beautiful coral today (my very first of this type!) in ice cold water. It was stable and not flaking when I picked it up. After a couple hours of drying at room temperature, it's become extremely brittle and is falling apart. I've placed it in cold, filtered water, and placed it in the refrigerator hoping to stabilize it until I can find out how to possibly treat it. Is what I've done the right thing? I have no idea what the matrix is, I suspect a type of shale, maybe limestone but can't handle it at all right now. Thank you! Sorry about the bad photos, -
Found near Cayuga Lake on the bank of a tributary. The raised spherical type shapes measure 3 - 4 mm in diameter and can be seen on several sides of the stone. I'm not sure what the matrix is but think it's a type of shale. There are so many types of shale in my area and I have yet to learn how to discern between them. This stone is very hard, dark grey (not quite black) and cannot be fragmented/chipped easily like others I find that can be crumbled in my bare hands. Could this be a coral? My field guide for this area doesn't show any corals that resemble this. I love this one!
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I don't know where to start to ID this one. Fossil or something else?
Plantgrogu posted a topic in Fossil ID
I've come across several similar shapes in pieces of shale and could use some help with ID. All have a rounded end and in one specimen I see a lot of tiny round indentations to evenly spaced to be random or weathering, in the bulbous round end. Found in the Finger Lakes Region, NY. Matrix is shale in the Hamilton group and in natural light the fossils have a silver sheen to them. (Quite striking) When I uncovered one sample, shown in pictures 2 - 4, a dark red solution drained from around the fossil when it came in contact with water. Can you point me in the right direction? Picture one is a d -
From the album: Fossildude's Middle Devonian Hamilton Group Fossils
Penn Dixie quarry find. From 2011 Eldredgeops rana. Devonian© © 2012 Tim Jones
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From the album: Fossildude's Middle Devonian Hamilton Group Fossils
Eldredgeops rana, Middle Devonian, Hamilton Group, Windom Shale. Smoke Creek Trilobite Bed. Blasdell, NY LINK to my Collections Entry© © 2011 Tim Jones
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From the album: Fossildude's Middle Devonian Hamilton Group Fossils
Middle Devonian. Hamilton Group Blasdell, NY.© © 2011 Tim Jones
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From the album: Fossildude's Middle Devonian Hamilton Group Fossils
Enrolled specimen of Eldredgeops rana. Found July 16, 2018. Middle Devonian, Moscow Formation, Hamilton Group. Deep Springs Road, Lebanon, NY.© 2018 T.Jones
