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From the album: Lower Devonian fossils
Kujdanowiaspis sp. and possibly Erikaspis zychi Skull roofs of actinolepid placoderms Lower Devonian Podolia Ukraine-
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Hello everyone, I recently got to visit the Glenerie Limestone for the second time to collect some fossils, I have identified the majority of my finds from the day except for one strange fossil I still do not understand. This appears to be a small brachiopod shell, it has a semicircular shape, and what appears to be a hinge-line on one side of it, the underside is pretty flat, but on the top, there is some other strange organism attached, it appears similar to the calyx of a coral, but these are quite rare at the site, I have no idea what this could be, maybe it isn't even a brachiopod that the structure is attached to. I will add some photos of the object below, I'm currently not at home but when I do get the chance I'll also try to take some from the ventral and lateral views as well as any additional photos that may be helpful. Thank you for looking, Misha
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From the album: Fossildude's Lower Devonian Fossils
Most likely Synphoria stemmata. Thanks to @piranha for the ID. Lower Devonian, Glenerie Limestone Tristates Group Route 9W road cut, Glenerie, NY.© 2022 T. Jones
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From the album: Fossildude's Lower Devonian Fossils
Likely Synphoria stemmata. Lower Devonian, Glenerie Limestone Tristates Group Route 9W road cut, Glenerie, NY.© 2022 T. Jones
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From the album: Lower Devonian
Leptaena (left) Strophonella (right) New Scotland Limestone Lower Devonian Kingston, NY- 1 comment
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From the album: Fossildude's Purchased/Gift Fossils
Zascinaspis heintzi - Another ventral shield Lower Devonian deposits of Volyno - Podillya, Ukraine Location: Nyrkiv, Zalischyky raion, Ternopil oblast Era: Paleozoic Period: Devonian Stage: Lochkovian Regional strata: Ustechko stage and lower part of Khmeleva stage, Dniester formation Age 420 million years© 2020 T. Jones
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From the album: Fossildude's Purchased/Gift Fossils
Zascinaspis heintzi Lower Devonian deposits of Volyno - Podillya, Ukraine Location Nyrkiv, Zalischyky raion, Ternopil oblast Era Paleozoic Period Devonian Stage Lochkovian Regional strata Ustechko stage and lower part of Khmeleva stage, Dniester formation - Age 420 million years© 2020 T. Jones
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From the album: Lower Devonian
Leptaena rhombonatis (brachiopods) Lower Devonian Kalkberg Formation Helderberg Group Leesville, NY- 2 comments
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From the album: Fossildude's Lower Devonian Fossils
Tentaculites (preserved in silica) Lower Devonian, Glenerie Limestone Tristates Group Route 9W road cut, Glenerie, NY. 2.7 cm.© 2022 T. Jones
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On Tuesday this week, myself and some of my family spontaneously decided to get out and drive to some interesting places in New York state to enjoy the day. We visited some beautiful locations like these two waterfalls: On our journey, we ended up around Gilboa, which is the location where one of the earliest known fossil forests was discovered with amazing plant and animal life, some of these fossils are exhibited outside near the town hall. This, being one of the many locations I had wanted to visit for years, was an opportunity I could not pass up, so while driving through the town we stopped by to take a look at these amazing pieces of history and get a few pictures: These are just some of the fossils displayed there, I have also really wanted to get to fossil hunt for some of the plant remains from this formation in Schohaire creek nearby, but unfortunately due to the very spontaneous nature of all of this I was not ready with the locations I had noted down where we could have done so and I did not get to collect anything from there on that day. We did, however, still have a little bit of time before it would get dark and I made the suggestion that we go collect some fossils at another, familiar location as it isn't often that I get to be around these places. So that is what we did, setting out for a quick hunt in the lower Devonian Kalkberg formation at a site only around 30 minutes away. Overall we probably got to hunt for around an hour, but it was a surprisingly productive time. Last time I visited here, I wasn't able to find that many of certain organisms I was interested in like the beautiful Leptaena sp. but this time, we found an abundance of these fossils, along with many other nice specimens. Here are some of my favorite finds from the trip: A few of those Leptaena sp. I wanted to get This one was my favorite, not the most complete but quite large and has very nice surface detail. A small but detailed spiriferid with some nice bryozoa: The largest spiriferid I've found here, needs some prep but a very nice fossil still: This one was a big surprise for me, I kept it because of the nice spiriferid on there but upon getting home I noticed a shiny dark patch below, turns out it was a Linguliform brachiopod, something I had never seen from the formation before. It's not complete, I wish we had noticed while we were there and potentially found the other side, but this is still a find I am very excited about. This also made me wonder something, most brachiopods preserve with a matte, sometimes slightly shiny texture to their shell, while all of the Linguliforms I have seen have a very glossy surface to them. Is this difference caused by differing shell composition? It is quite interesting and something that seems to occur throughout geological time, in many formations with varying preservation. @Tidgy's Dad maybe you know something about this? Some pretty nice orthids: This one was quite big, and appears pretty complete, I would like to get it prepped some day, I think it may turn out quite nice: Another strophomenid similar to Leptaena but with much shallower rippling along its surface, I was wondering if this may be another genus, looking in my field guide I see that Strophonella and Rystistrophia both also have concentric wrinkles, although I am not sure which if any of them this one may be: A coral? not really sure what this branching fossil is, but it seems quite interesting, not anything I've seen here before. A pair of nice solitary rugose corals: This one doesn't show up too well on camera but it's a pretty large platyceratid gastropod, I have a few from this location but this one has some very interesting wrinkles to the shell, quite different from all my other ones. This is another large fossil, I think it may be a gastropod also? it has a similar dark shell to most of the gastropods I've found here, plus it seems like it may be curving in a helical pattern out of the matrix slightly, but I may be wrong. And to finish, here are some nice hashplates I collected from the site: Thanks for looking!
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L.S., Hope someone on TFF can help me with the identification of a plant fragment from the Lower Devonian (Pragian) of the Belgian Ardennes. The specimen in question consists of a 17 mm-long, 12 mm-wide oval-shaped body, which is seemingly covered in equant scales (though this could also be an artefact of the surface preservation) and has curved spine-like protrusions (see right hand-side of specimen in first two photographs). The detailed structure of the specimen is quite difficult to capture, so I added four photographs taken under different lighting conditions. Hope this is enough to showcase the main features. To my eye, the overall texture and "spines" do resemble those of Drepanophycus-like stems, which have been observed at the locality. However, I find it difficult to explain the oval-shape of this structure in terms of a stem fragment. This rounded shape gives it an almost strobilar appearance. The specimen is associated with long, naked axes having a smooth surface, present in the same slab of rock, but not in organic connection. Other floral elements encountered at the locality mainly include zosterophyllopsids. Are you aware of any scaled strobilar structures from the worldwide Lower Devonian to which I could compare my Belgian find? Or do you think this specimen should be interpreted as a (rounded) stem fragment? I'm really struggling with this one, so I would love to hear your thoughts! Kind regards, Tim
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I found this plant material in Union Springs, NY...at the conjuntion of Lower Devonian/Upper Silurian. Along with this was found...ugh, can't remember the name. Remind me of bean sprouts...I think starts with a "C". Is there enough to identify? Thanks Greg
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From the album: Fossildude's Lower Devonian Fossils
Platyceras nodosum. Lower Devonian Glenerie Limestone Tristates Group Glenerie, NY.© 2021 Tim Jones
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Was visiting a quarry in NW Ohio two weeks ago, and came across this gastropod. It's about 2" X 1.5" Had to do some research to identify it. Saw that not too many Platyceras dumosums have been discussed/presented on TFF. It's completely pyritized. Inside and out Here's a drawing of how they're thought to have looked Another view It also has some non-pyritized bryozoans (I think?) attached to the coil. How does this occur?
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Dalmanitid pygidium from the Coeymans Formation
Nautiloid posted a gallery image in Member Collections
From the album: Lower Devonian Helderberg Group in Eastern NY
Dalmanitid pygidium, possibly Odontochile micrurus Lower Devonian Helderberg Group Coeymans Formation© Owen Yonkin 2021
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Hello all! I’ve been going through some of my fossils from the New Scotland Formation and I stumbled upon this intriguing little piece. It’s about a centimeter wide and seems to be separated in the middle, almost like two connected plates of some kind. I’ve got a decent collection from this formation and I’ve never seen anything like this. Hopefully somebody on here can help me out. Thanks for looking!!
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From the album: Trilobites
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Hello everyone! I have recently purchased this skull roof from an actinolepid placoderm from the lower Devonian of Ukraine, The fossil was labelled as Kujdanowiaspis, but there is also a closely related genus found there called Erikaspis. I have been looking at several papers to try and see what distinguishes the two and if it is possible to tell what mine is but right now I am not sure. Any help identifying the genus and even species if possible would be great, Thank you
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Hi all! After reading about @Kane's autumn trip to Ontario's Formosa Reef (Amherstburg Formation, Lower Devonian), I was inspired to find it and check it out myself. With the help of Ludvigsen's 1986 paper entitled "Reef trilobites from the Formosa Limestone (Lower Devonian) of southern Ontario," along with Google Maps' Satellite View, I was able to locate the reef, so Viola and I made the 2-hour drive yesterday to search the site for some new fossils. Here's Viola standing atop the reef: This was my first find of the day - a rock with a brachiopod AND a gastropod in it - woohoo!!! This was one of Viola's first finds of the day and probably her favourite - a large and beautiful chunk of tabulate coral: Here is a photo of Viola and I just before we left the site after about 3 hours of fossil-hunting: Photos of the fossils to come...
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Hi all! Yesterday I visited Formosa Reef here in Ontario (Amherstburg Formation, Lower Devonian), and I found these weird circular imprints on a few rocks - does anyone know what they are? @Kane Thanks a bunch! Monica photo with ruler for scale: close up photos:
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Acanthopyge contusa hypostome to the ROM
Monica posted a topic in Partners in Paleontology - Member Contributions to Science
Hello everyone! I wanted to share some good news with you all... On Monday, March 16, 2020, I visited "Formosa Reef" in Ontario (Amherstburg Formation, Lower Devonian) for a little fossil hunt. One of the rocks that I found at the site had a trilobite piece that @piranha identified as the hypostome belonging to the trilobite Acanthopyge contusa. When I asked him if he knew of any museum/researcher who might be interested in my specimen, he suggested that I contact the Royal Ontario Museum (ROM), and so I did. First, I emailed David Rudkin, and this is what he said: "Thank you very much for getting in touch and offering to donate your splendid little Acanthopyge hypostome! I've been retired from the ROM for 3 years now and am not permitted to act on behalf of the Invertebrate Palaeontology section, but I am copying these messages to the Curator and Collection Manager with my recommendation to accept your generous offer." "Acanthopyge contusa is indeed a relatively rare component of the Formosa trilobite fauna and the ROM collections do not hold any specimens of the elusive hypostome. Like your contact on The Fossil Forum I've not seen one from Ontario before, so your discovery is quite exciting ... at least for a self-professed trilobite geek such as myself! I'm hoping that my ROM colleagues, Dr Caron and Ms Akrami, will follow my recommendation to accept your offer, but I must leave the final decision in their hands." Just last night, I received two consecutive emails from Maryam Akrami (the current Invertebrate Paleontology Collections Manager at the ROM): "Thank you for sending the images and the information for the trilobite specimen. I am glad to let you know that we will accept your offer of donation. Just want to let you know that the ROM is closed until at least 5th April. If you would like to ship the specimen to us now, I can give you my home address. Once we have the specimen, I will send you a letter acknowledging your generous donation to the ROM." "Following up on my previous email (below), given the current situation and the advise against leaving our homes for non-essential reasons, perhaps it would be a good idea to wait till things return to normal and then ship the specimen to us. I hope that would be ok with yourself." So, once the ROM is up and running again, I'll be handing over my little Acanthopyge contusa hypostome to the ROM! I'll update this thread as soon as the donation has been completed. Here are pictures of the specimen in question: Thanks for reading, everyone! Monica- 49 replies
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I've found this Brachiopod but having a difficult time trying to identify it. It looks like "Anastrophia verneuili". However, I found it above the Lower Devonian which it is supposed to come from.
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From the album: Lower Devonian Helderberg Group in Eastern NY
Kosovopeltis pompilius Lower Devonian Helderberg Gr. Kalkberg Fm. Rickard Hill Roadcut Schoharie, New York Collected 5/31/20-
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