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I have another very small fossil from the Moscow Group at the Penn Dixie Park in Erie County New York. I believe this is the long-spined ostracod Aechmina, but I am open to other suggestions (trilobite piece, brachiopod spine, etc???). This is very small as you can see in the measurements below (less than 1 mm) and is in the matrix, I have scraped away as much matrix as I dare at the moment and to me the lower edge in the pictures looks like it is a natural (unbroken) edge and is the end of the fossil. I would like to expose a bit more at the top, where the hinge line should be if it is an ostracod, but have not dared to do that yet due to small size and potential fragility. @Acryzona has shown a specimen of this genus from the Devonian at Paulding (https://www.thefossilforum.com/gallery/image/57600-aechminajpg/) and Hall in a very old publication reported the genus from the Devonian of New York (the old drawing did not look much like this specimen), but I have not found any specific mention of it from Penn Dixie. Any Penn Dixie or ostracod experts, or anyone else care to voice an opinion? I appreciate all suggestions.
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Here is a quick and (hopefully) easy question for all you Penn Dixie (New York, Erie County) or bivalve experts out there. In going through some of the material I collected last summer, I came across this very nice, but small (1.1 X 1.0 CM) bivalve. It looks most like Lunulicardium eriensis figured on page 160/161 of Wilsons Field Guide to the Fossil of New York. But the book lists it as from the Upper Devonian Canadaway Group and I can't seem to find any reference to it (after a quick search) from the Middle Devonian Moscow Group present at Penn Dixie. My question is: is my ID incorrect or did I just not dig deep enough to find reference to it from Penn Dixie or the Middle Devonian? Thanks for any help. @Fossildude19 @Kane, @Jeffrey P and any others.
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From the album: Fossil Collection: DC Area and Beyond
Eldredgeops (Phacops) rana (Enrolled) Penn Dixie Fossil Park & Nature Preserve, NY Moscow Formation Middle Devonian -
From the album: Fossil Collection: DC Area and Beyond
Crinoidea Penn Dixie Fossil Park & Nature Preserve, NY Moscow Formation Middle Devonian -
From the album: Fossil Collection: DC Area and Beyond
Cephalopoda Penn Dixie Fossil Park & Nature Preserve, NY Moscow Formation Middle Devonian- 2 comments
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From the album: Fossil Collection: DC Area and Beyond
Bivalvia Penn Dixie Fossil Park & Nature Preserve, NY Moscow Formation Middle Devonian- 3 comments
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From the album: Fossil Collection: DC Area and Beyond
Eldredgeops (Phacops) rana Penn Dixie Fossil Park & Nature Preserve, NY Moscow Formation Middle Devonian-
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From the album: Fossil Collection: DC Area and Beyond
Eldredgeops (Phacops) rana Penn Dixie Fossil Park & Nature Preserve, NY Moscow Formation Middle Devonian-
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From the album: Fossil Collection: DC Area and Beyond
Rugosa Penn Dixie Fossil Park & Nature Preserve, NY Moscow Formation Middle Devonian-
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From the album: Fossil Collection: DC Area and Beyond
Rhipidomella penelope Penn Dixie Fossil Park & Nature Preserve, NY Moscow Formation Middle Devonian-
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From the album: Fossil Collection: DC Area and Beyond
Spinatrypa spinosa Penn Dixie Fossil Park & Nature Preserve, NY Moscow Formation Middle Devonian -
From the album: Fossil Collection: DC Area and Beyond
Naticonema lineata Penn Dixie Fossil Park & Nature Preserve, NY Moscow Formation Middle Devonian -
A Few Recent Finds at Penn Dixie, a shallow marine Devonian Site in upstate NY
Biotalker posted a topic in General Fossil Discussion
Super folks and fossils! I had a decent trip to Penn Dixie with the experts recently and thought I would share a few finds. The first is the lower third of a crinoid calyx. I measures 4 cm and has an intact stem attachment segment. Aside from stems, its the first decent crinoid part I have found since 2015. I am fascinated by the geometry of the echinoderm organization- 6 around the stem, them 12 around the next whirl, makes we wish I had the entire calyx.- 8 replies
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From the album: Fossildude's Middle Devonian Fossils
Devonian - Eldredgeops rana, from the Penn Dixie quarry, Hamburg NY.© © 2013 Tim Jones
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I’ll show my collection here. 1. Agnostida This is my only example from this order. Itagnostus interstrictus Wheeler Shale U-dig Quarry, Delta, Millard County, Utah Middle Cambrian Purchased Scale bar is 1 cm.
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Hi everyone, I'm a little bored up here in NH and decided to drive down to Hamburg NY to collect at Penn Dixie, I haven't been there in quite a while and since I unfortunately couldn't make it to DWTE earlier this year I thought now might be a good time to go. I'm hoping to start driving in the afternoon Monday after I'm finished with work, and depending on how it goes getting there late that night or early next morning, collecting there that day on Tuesday and potentially going to some other spots on 18m creek or a bit south of the area, And finally driving back Wednesday. I wanted to post on here to see if anyone else is in the area, I have met up with a few members of TFF and it has been fantastic, I've really enjoyed it and would love to meet more. Let me know, I'll post what I find on that trip here once I get back.
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Unusual find of putative Placoderm Fossil at Penn Dixie
Biotalker posted a topic in General Fossil Discussion
At the “Dig with the Experts” earlier this month at Penn Dixie, I found this interesting surface fossil on a block that the on location experts seemed to agree was a placoderm fossil. Approximately 5 inches (12.5cm), it is thin, pigmented and has intermittent perforations or pustules. In an adjacent pile, another more extensive and remarkable set of fossil strips like this presumptive placoderm were found by another rock buster. Anecdotally, it was remarked by staff that these two putative placoderm blocks were excavated from the “same region” of the pit as the apparent Dunkleosteus jaw discovery. Perhaps just a coincidence, but nonetheless an interesting mystery.- 12 replies
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Dig with the Experts, Deep Springs Road, Aurora Fossil Festival
bockryan posted a topic in Fossil Hunting Trips
Hello! I got back from some travels to Turkey (no fossil hunting there this time, I did however have some nice fossil gifts from the US I was bringing to my relatives seized by Turkish customs which was... fun) and immediately headed to Penn Dixie for the 2023 Dig with the Experts event, which was a huge success and had perfect weather for a very fun two days of collecting the NY Devonian. Found numerous nice prone trilobites, a good selection of the available brachiopods, and the absolute find of the weekend was a sizeable, possibly complete, head shield from a placoderm, which is a dream find for me as they're easily my favorite animals. It was beyond my skill to prep though so I will have to wait until next year to see it uncovered, which will be a great intro the event in 2024 . First, while I didn't do any collecting in Greece or Turkey, I couldn't help but find a few to take pictures of. The breakwater in Istanbul appears to be full of burrow fossils and one coiled cephalopod (maybe) that I'm unsure about the age on. Any ideas? It's likely rock either taken from the Bosporus or from nearby since the blocks are so huge. The next picture is from the walls surrounding the Parthenon in Athens, which I think I read is Cenozoic marine limestone. Next we have the pictures from Penn Dixie - the Placoderm (along with a nice bonus prone trilobite) is split in two and covered in glue so it looks pretty rough now, hopefully it emerges looking good on the other side of the prep process. Not having had enough, the following weekend we returned to NY to try out the famous Deep Spring Road locality which was amazing! My mollusk collection was greatly expanded and I came away with a small rolled Dipleura and the head of a Trimerus, along with a number of Geenops fragments and assorted other material. We also checked out the nearby Museum of the Earth in Ithaca which I highly recommend if you're ever in the area. Next is the Aurora Fossils Festival, which very much did not enjoy the same weather luck as Penn Dixie but was fun all the same. I came away with tons of teeth, my first semi-complete Meg, and two very nice sting ray spines. A nice quality cetacean vertebrae continues to elude me, but they're tough to find there anyway as everything gets so beat up it seems. I was excited to find a fair few complete mollusk shells as well of many different types. They're small but really pretty, they make a nice display! Lastly, a shoutout to the incredible mural at the Fossil Museum, another thing to definitely see if you're ever in the area. -
While cleaning out some stuff, I found one of those toy cameras that click between slides. These things are only a few bucks for a twelve-pack, and I probably got it from someone’s birthday party when I was little. The magnifying lens works quite well for the price. Tested it on some crinoid bits with epibionts. Hederella filiformis on a crinoid bit. Ascodictyon sp. on a brachiopod fragment. Bryozoan encrustation on a crinoid stem fragment. Some more Hederella on a crinoid stem. Two views of a crinoid holdfast and bryozoan on a Aulocystis jacksoni. Some more Ascodictyon sp. A few more crinoid holdfasts on crinoid stems. A picture of the lens, and the crinoid bits with a nickel for scale. And lastly, my tiny enrolled meraspid Lonchodomas mcgeheei.
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Hi all, my good friend @Nautiloidand I have been doing some collecting at a site in the Trenton Group recently and we have been finding what we believe to be Gravicalymene magnotuberculata. The matrix is soft and quite easy to prep, which was a nice surprise. This one was found by my father @Penguin Fiasco Here it was before preparation Bonus headless Triarthrus Beckie appears! All done, now time to clean off the abrasive powder! Here it is after preparation, I am pretty happy with the result. Please excuse the Dolomite on my fingers, I took the plate outside to photograph as soon as I finished prep. Closeup of the Triarthrus beckii body For my first time prepping this material I don’t think I did too bad! There are of course some spots that could use more preps but I really worry about going too far and accidentally burning the shell, so I figure I’ll quit while I’m ahead on this piece.
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This is a few pictures of a trip to Penn Dixie, the finds of two days. This is a bit of a family tradition now, as we go to the site once a year. Now the finds. All the stuff I managed to get. A bit crushed and twisted, but still nice. Some partials. The one on the left is pretty nicely sized. Group shot of some decent rollers I found surface collecting. A big hunk of pyrite. This one really sparkles, though it’s a bit hard to photograph. I thought this Aulocystis looked pretty nice, so I kept it. A first for me, Palaeozygopleura. I think it’s P. delphicola. Some unidentified bivalves. Lyriopecten orbiculatus perhaps? An enrolled Greenops. The shell on pygidium is gone, sadly. The fruits of surface collecting the PD gully. Now for the trip-maker finds. What looks like a nice prone Eldredgeops, it seems only the first left pleura and a bit of shell on the glabella is missing. A really nice prone Bellacartwrightia. The right eye, a pygidial lappet, and a few pleurae are missing. A plate of Eldredgeops. I can count seven partially to fully complete specimens. And last, a piece of the Tichenor limestone with two Pseudodechenella cranidia. One has some shell missing. It seems the species is more prevalent in the limestone.
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After my most recent field trip where there were at least three other TFF members present, but I didn't know it until afterwards, I wanted to be a bit more proactive for an upcoming trip. Last Fall, my wife and I made our first visit to Penn Dixie and had a great time. It was a very nice day and it was a weekday after the regular season so we were the only people in the quarry for most of the day. The only downside was that the pit and the most trilobite rich rocks were under water. My luck, less than a week after we were there, the society newsletter said they had just pumped out the pit! Oh well... We were able to collect lots of nice brachiopods, corals, etc and a couple of OK trilobites but mostly trilo-bits. This year we decided we would go back and to (hopefully) ensure access to fresher, more productive trilobite material, we signed up for the Dig With The Experts event on Saturday June 3. So, if any other TFF members are planning to be there, let me know (via reply or PM) and we can meet, swap stories, etc. If regulars at PD are there, I'll be happy to soak up any knowledge that I can since I have only been there once. Looking forward to it and hopefully, Ill add some results to this thread after I've been there. Thanks Mike PS: @RandyB had a good post after he attended last years event (and I know I have seen lots of other posts from further back):
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Some more unidentified stuff. A Rhynchonellid? Not very confident with my brach IDs. Pedicle valve. Brachial valve. Cardinal view Front view. Two specimens of something. Wood, maybe?
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Some specimens I have that need an ID. Thanks in advance for the help. 1. Phyllocarid bit? From the trilobite beds. 2. Bryozoan. Width around 4 mm. From the Bayview Coral beds. Rhombopora? 3. Another bryozoan. Also from the Bayview. Another Rhombopora? 4. Some kind of Strophomenid brachipod? Again, from the Bayview. 5. Very badly preserved gastropod. From the trilobite beds.