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Showing results for tags 'trilobites'.
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Yesterday I was fortunate enough to get back to the Silurian site were I found a complete Dalmanites last month. I met up with @Jeffrey P, @Scylla and his son Grant, as well as their friend Chris who is a member of the New York Paleontological Society. I met up with them around 8:30am. They had gotten there about a half hour or so before me and were already finding things. I spent more time exploring the site then I did the last time as the fossil exposure covers a very large area. I would check out various spots, and it took awhile before I found a good spot to get settled in and do some serious digging. I won't bore you with all the trivial details, but there were plenty of fossils found by all. Brachiopods, bivalves, small horn corals, trilobites, ang even a sponge. I was very surprised by the sponge, which according to Jeff and Gus are rare finds. I actually thought that it was a small concretion and was ready to toss it, but then something caught my eye. There was a small piece broken of the sponge that showed the internal structure. Once I saw that I knew it had to be something and Gus confirmed that it was a sponge. Then a noticed a pattern under the thin film of dirt on the surface. So I was happy. It was only about 36° out but after awhile of digging I ended up removing my jacket as I was getting too warm.( I always dress with many layers in the colder months.) So I set my jacket next to my bucket of tools and moved away a bit. Sometimes later I was talking to Gus when the wind picked up and blew my jacket into the Canal. It was too far out to retrieve it went to the other side. Thank goodness I didn't have anything important in the pockets like my keys or phone. Then a while later Chris had the wind blow his bucket in the water twice. Anyhow, it was really great meeting up with everyone and I had a good time. I will post some pics of my finds and I hope Jeff and Gus will share their finds when they get the time. Sorry not all of the fossils have been cleaned up yet. Pic#1 Sponge 2 Sponge 3 Trimerus pygidium The rest are all Dalmanites partials.
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It's been a long time, since I have posted anything. I'll try to contribute, now. Best pictures I can get with a cheap phone, and not being able to be very still, myself. I took many duplicate photos. Sorry. I acquired these 6 fossils today. The Theropod tooth has visible serrations, when viewed with a common magnifying glass.
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What an adventure! I was on a trip to southern California with my partner. He does not like fossil hunting – yes I know what you are thinking but he is a very nice guy. You can’t have every thing! I wanted to go to the Marble Mountain Trilobite site in the Mohave desert. I did my research and knew exactly where I wanted to go. As I would be by myself I decided to be very clear about where I was going and how long I expected to be there. Off I went on a bright warm sunny day armed with gallons of water, a sunhat, fossil hunting backpack, many snacks, and a brand new Lexus. Yes I know you are thinking dumb dumb dumb! But as it turns out the lexus was an excellent choice, it had lots of power and reasonable clearance. I did high center it on some shrubs (sorry shrubs) and almost lost it in a sand bank. Power does win the day and I managed to get it about 3 miles away from the classic north end site by Chambliss. What I did not account for was that the recent atmospheric rivers had washed out a lot of the tracks and roads. I had a really big walk up to the base of the mountain. From there I struggled through boulders fields and scree slopes to get up to the famous red and green Latham shales. Oh boy what incredible rocks! Fortunately I am fond of lapidary too so I collected some glorious specimens. My aim was to find the blue green algal nodules formed by precipitation of the cyanobacteria. They look like elongated ovals and are found everywhere. I was gob smacked by these fossils. They are 518 million years old. The trilobites are mostly Olenellids and are rare. I struggled to find any of these and found mostly cool trace fossils. As I was completely exhausted getting to the top of this mountain and now had to get down it with a lot of rocks AND walk 3 miles across the desert to get back to the Lexus I made a decision – I would come back another day and find some of those trilobites. By the time I got back to the car my knees were shaking and I had drunk 5 litres of water and eaten everything I brought plus 3 candy bars. It was an amazing trip and the area is totally deserted. I never saw one person or vehicle while I was there. There is another trilobite site that is down towards the ghost town of Cadiz. This is the official BLM site and you are allowed to take small quantities of fossils. Unfortunately the road was completely washed out and unlikely to be repaired soon. Oh well that's for another day
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Hello, Could someone explain the specific distinctions between the Pennsylvanian-aged proetid trilobites Ameura vs. Ditomopyge vs. Paladin? They all seem quite similar-looking trilobites so I often have a hard time distinguishing them. Thankfully @piranha has already outlined Paladin vs. Ditomopyge in a PM, but I would like to know a comparison with Ameura as well. Thank you.
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Today I enjoyed a wonderful fossilhunt, searching the Silurian age Rochester shale. Our trip was led by an actual Paleontologist who works at a local museum. The main focus of today's hunt were the trilobites Trimerus delphinocephalus,and Dalmanites limulurus. Other known fossils from the site included Leplaena rhomboidalis brachiopods, tiny rugose corals, and rare graptolites. We were informed that while there were plenty of trilo bits and pieces to be found, finding whole ones were a rare occurrence. When we got to the sight some club members started finding things immediately. Cephalons, pygidiums, and thorax segments were abundant. Most of what I found was very small. Until it happened. I split a slab open and found this beautiful Dalmanites!
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What can I do to make my fossils more useful to science?
DarasFossils posted a topic in General Fossil Discussion
I have a collection of at least 50 fossils, and at this point, I have something from every major time period and major life group. I've been collecting for a couple of years now, with a focus on trilobites but I have lots of other things too. But I am being to be concerned that through collecting, I am taking away material that could be studied by scientists to learn more about prehistoric life. Of course things like Elrathia Kingii are so numerous and well studied that I think pretty much anyone could or should be able to own one, but sometimes I will purchase a fossil and there will be little to no information about it online. I'm also concerned since I've read about how fossil poaching can impact scientists' studies of a specific locality and that really bothers me if I've at all contributed to that. I don't want to donate my entire collection, as I love making displays in my house and looking them over to study myself, but there's a few I feel might be better suited in a place where they can be studied by actual scientists. I've learned so much through having them and seeing them in real life in my home, but I am not exactly equipped to be making studies that are contributing to the field. Is there anywhere I can loan them, or would they have to be officially donated? And if so, would they likely be destroyed to study or just kept in a library somewhere? Could I go and visit them or receive updates on their study? I'm not even in college yet, but planning to attend an Art School, and moving on to study Paleontology either after or if I don't enjoy Art School. I've volunteered a bit at a College cataloging fossils, and looking to do more volunteering and learning fossil preparation this summer. How do you guys reason with this with your own collections? Is it even ethical to own fossils at all? I'm curious to hear different opinions. -
Why aren't more Trilobite fossils prepared like these?
AchillesWF posted a topic in General Fossil Discussion
Hello fellow Trilobite fossils collectors. I have 2 specimens in my collection that were specifically prepared 'with microfossils'. So, instead of blasting away everything around the specimen, the preparator took extra efforts to maintain the surrounding 'environment' that the specimen was contained within. I really like this preparation style, and am wondering why the Trilobite fossils I see for sale on the web, etc are much more likely to be just the specimen itself carved out of the matrix and leaving only scrapes, scratches or smoothed rock nearby. Does anyone know why there aren't more fossils prepared with surrounding micro fossils? See images for examples of what I'm talking about. Thanks!.thumb.png.c9afaf512cdd0d49f1b7e64af1d96a69.png)
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Juvenile Trimerus Partial Cephalon from the Rochester Shale
Jeffrey P posted a gallery image in Member Collections
From the album: Silurian
Trimerus delpninocephalus Juvenile Partial Homolontidid Trilobite Cephalon Middle Silurian Rochester Shale Burleigh Hill Member Upper Clinton Group Erie Canal Greece, N.Y.-
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Partial Trimerus Thorax from the Rochester Shale
Jeffrey P posted a gallery image in Member Collections
From the album: Silurian
Trimerus delpninocephalus Partial Homolontidid Trilobite Thorax Middle Silurian Rochester Shale Burleigh Hill Member Upper Clinton Group Erie Canal Greece, N.Y.-
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Dalmanitid Trilobite Cephalons from the Rochester Shale
Jeffrey P posted a gallery image in Member Collections
From the album: Silurian
Dalmanites limulurus Partial Dalmanitid Trilobite Cephalons Middle Silurian Rochester Shale Burleigh Hill Member Upper Clinton Group Erie Canal Greece, N.Y.-
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Dalmanitid Trilobite Pygidiums from the Rochester Shale
Jeffrey P posted a gallery image in Member Collections
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From the album: Silurian
Dalmanites limulurus Partial Dalmanitid Trilobite Pygidiums Middle Silurian Rochester Shale Burleigh Hill Member Upper Clinton Group Erie Canal Greece, N.Y.-
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Why doesn't anyone seem to prep the undersides of trilobites? We see innumerable examples of the "pretty" carapaces, but I should think the undersides would be at least as instructive.
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Greetings! I've been obsessed with fossils since the first time I set foot in our local mall's Nature Company store in the late 90's. So happy to find others who like to hang out with the trilobites and meg teeth while ignoring the Pure Moods CD's and the rain sticks. Not gonna lie, still have Enya on my playlist though.
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Hello and Happy New Year to all of my Fossil Friends! Yesterday and today I put in my first 2 hunts of the year. The weather here has been mild and I almost went fishing instead. But the fossil gods were calling to me and I couldn't resist their siren song. I decided to visit a site that I haven't been to for awhile. I am sorry but a have made a New Years resolution to no longer name locations for the world to see. This is a site that I have gone a few times with minimal results. Mainly it is a rather large site and the rock is hard to work. But I knew the potential for nice finds were there. So, Yesterday I arrived in the afternoon, planning on putting in a few hours. I started off on a lower layer. Now there is multiple layers of shale mixed with slate and limestone. The way this material fractures is rather strange. Which makes recovery of specimens rather tough. So while I found many cool things most where damaged in some way. Crinoids, brachiopods, bivalves, gastropods, nautiloids and trilo Cephalons were fairly common. Some were even pyritized. I must have been there for a couple hours before I decided to explore farther up the slope. I noticed a different color rock closer to the top, but there was really no where to stand. I grabbed a couple loose pieces and started seeing parts of corals and crinoids that were larger then any I have found before. Also partial trilo bits and pieces of Eldregoeps. I looked for a way to get to the very top of the slope and found a way that was not at first obvious. And then bingo! I found a small section that was easier to work and I immediately was rewarded. I started finding abundant amounts of horn coral, large crinoid segments and a nice slab with a horn coral with a trilo right next to it and possibly more. Then I removed a chunk of rock and uncovered a huge tabulate coral about the size of a dinner plate. Unfortunately this specimen was fragile and was broke into a million pieces. But I recovered some of the larger pieces. It started getting dark so I left for home with plants to go back this morning, which I did. Today was much of the same tons of corals but one horn coral was about the size of a grapefruit. This is definitely a different species than I am used to seeing. Most if not all need to be cleaned up and possibly prepped. So I plan on trying to clean up and get the mud off. I will post pics later this evening. It looks like this year has started off with a bang. I hope it is a sign of things to come.
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On Friday I made a visit to an Atlanta area gem/mineral/fossil show. Generally I have poor luck at these shows, in large part because there are only a couple of dealers with fossils. This trip was different. One of the dealers was selling some items from an old collection. Most of what I bought was exciting to me because they are species I have wanted for a long time, for one reason or another. First up is a nice (to me at least) New Jersey Tiassic coelocanth, Diplurus newarki (I think the genus might have changed but Diplurus is OK for now). The dealer thought it was just a skull so it was very cheap, as the rock is very black and it was hard to see the skeleton in the room lighting. I used the flashlight on my phone to give oblique light and was very happy at what I saw! He also had some ammonites I was excited to see. Two are Triassic, a Ceratites nodosus and an Acanthoceratites spinosum from Germany. I collected a Ceratites when I was a kid (about 10) living in Germany, but it broke and all I have left is a piece. I've wanted a better specimen for roughly the last 50 years! I started to clean out the inner whorls on the Acanthoceratites but that will take quite a while. There was a third ammonite that was labeled as another Triassic species, but when I got home I recognized that it is actually a Placenticeras, a Late Cretaceous genus. I am not sure of the species and the preservation is different from the North American sites I know about, so I suspect it might be from a European source. I'll post more photos in the Fossil ID thread to see if anyone recognizes it. I also scored a trilobite I've wanted forever, an Elliposocephalus hoffi. Not because it is especially pretty, but because it is representative of the Chechosolakian Cambrian that is so important in trilobite lore. I also grabbed a nice Calymene celebra. Last up for now is an OK shrimp from Lebanon. The body is all authentic, but I'm not 100% sure about the appendages. It's pretty nice though so I like it. There are a few other little things but the above is enough for now. When I got home a box of New Mexico ammonites from the Christmas auction was waiting for me, which made a good day even better! Don
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Fossil Hunting Trip on the shores of Lake Michigan, Illinois December/5/2022
Joseph Fossil posted a topic in Fossil Hunting Trips
On Monday I went on a little trip to one of my top secret places to fossil hunt on the shores of Lake Michigan. It's a small beach in Northeastern Cook County, Illinois which I've always found lots of Silurian aged fossils. (1) This trip was no different!! https://silurian-reef.fieldmuseum.org/narrative/392 I found a large amount of small but pretty interesting Silurian fossils which demonstrate the diversity of reef supported aquatic life in the Chicago land area 444 to 419 million year ago during the Silurian era! (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20)
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This important new paper from Allart Van Viersen and Gerry Kloc @GerryK should cause an indeterminable number of revised labels around the globe! Hollardops mesocristatus (Le Maître, 1952) has been restricted to the holotype from the Chefar el Ahmar Formation, Algeria. "The replacement of the unidentifiable name-bearing type of H. mesocristatus with the poorly preserved paratype of evenly imprecise geographic and stratigraphic provenance would be pointless. Therefore, we prefer to restrict H. mesocristatus to the holotype. This is a rigorous measure but one that enables the objective recognition of distinct species, albeit with the knowledge that one of these might potentially belong to H. mesocristatus when future collections at the type locality are conducted. Still, that would require the near-impossible identification of the specific bank that the holotype was extracted from as well as sufficient specimens to span a range of holaspid instars, in order to validate an unambiguous relationship with the type." This is the revised and updated list of the valid species from Morocco: Hollardops aithassainorum – Chatterton, Fortey, Brett, Gibb & McKellar, 2006 (lower Eifelian, Morocco) Hollardops angustifrons – Van Viersen & Kloc, 2022 (upper Emsian, Morocco) Hollardops boudibensis – Morzadec, 1997 (upper Emsian, Morocco) Hollardops burtandmimiae – (Lieberman & Kloc, 1997)(upper Emsian?, Morocco) Hollardops hyfinkeli (Lieberman & Kloc, 1997) (upper Emsian?, Morocco) Hollardops klugi – Van Viersen & Kloc, 2022 (lower Emsian, Morocco) Hollardops kyriarchos – Van Viersen & Kloc, 2022 (upper Emsian, Morocco) Hollardops luscus – Van Viersen & Kloc, 2022 (upper Emsian, Morocco) Hollardops multatuli – Van Viersen & Kloc, 2022 (upper Emsian, Morocco) Van Viersen, A.P., Kloc, G.J., 2022 Functional Morphology, Coaptation and Palaeoecology of Hollardops (Trilobita, Acastidae), With Descriptions of New Species and Two New Genera from the Devonian of Morocco. Geologica Belgica, 25(3-4):99-144 PDF LINK ************************************************************************************* Chatterton, B.D.E., Fortey, R.A., Brett, K.D., Gibb, S.L., McKellar, R.C. 2006 Trilobites from the Upper Lower to Middle Devonian Timrhanrhart Formation, Jbel Gara et Zguilma, Southern Morocco. Palaeontographica Canadiana, 25:1-177 PDF LINK Le Maître, D. 1952 La Faune du Dévonien Inférieur et Moyen de la Saoura et des Abords de l'Erg Djemel (Sud-Oranais). [The Fauna of the Lower and Middle Devonian Saoura and the Surroundings of Erg Djemel (South-Oran).] Materiaux pour la Carte Géologique de l'Algérie, 1re Série, Paléontologie, 12:1-170 Lieberman, B.S., Kloc, G.J. 1997 Evolutionary Biogeographic Patterns in the Asteropyginae (Trilobita, Devonian) Delo, 1935. American Museum of Natural History, Bulletin, 232:1-127 PDF LINK Morzadec, P. 1997 Les Trilobites Asteropyginae du Dévonien de l'Ougarta (Algérie). [Asteropyginae Trilobites from the Devonian of the Ougarta (Algeria).] Palaeontographica Abt.A, 244:143-158
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can anyone help me identify this trilobite? it will soon be mine but it was mislabelled as Morocconites malladoides which it’s certainly isn’t. have been told it might be a Reedops cephalotes
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How Fossiliferous are Cambrian Period Rock Formations in Illinois
Joseph Fossil posted a topic in General Fossil Discussion
I've recently been looking over the geologic formations in Illinois and I found one that's a bit interesting - it's a Cambrian period outcrop but it seems to be a bit small, only found in parts of Ogle and Lee County, Illinois. http://ebeltz.net/firstfam/1stfam.html https://www.osti.gov/servlets/purl/1202269 https://ilstratwiki.web.illinois.edu/index.php/Cambrian_System I haven't heard of a lot of fossils coming from this area so I'm wondering if anyone's been fossil hunting in that region of Illinois before and how common are Cambrian Fossils from Illinois's Ogle and Lee Counties? -
I was hoping someone could identify these two trilobites. I’ve had them as long as I can remember but I never got them ID’d and I’m terrible with trilobites. I have no information on the time period or the location. If higher quality photos are needed I can take them.
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From the album: Fossildude's Ordovician Finds
Triarthrus eatoni, from the Martin Quarry - Beecher Trilobite beds. 1 cm in length. Late Ordovician (Caradoc) age, Frankfort Shale, Oneida County, New York, USA.© 2022 Tim Jones
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From the album: West Texas - September 5th
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My 1st post so I'm a newbie. I'm interested in looking for fossils and micro meteorites in the Flinders Ranges ( SA ), would like to tag along with anyone who has experience Plus have been researching fossil trilobites on online that I'm thinking about buying for the wife.
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Hi all, yesterday I met up with @Nautiloid and @Dean Ruocco in Madison County to collect some bugs at DSR and another site nearby. After exchanging some gifts we got to work collecting, you can see some of @Nautiloid’s finds on his post here… Dean and I got to work creating benches in a promising area whilst @Nautiloid checked out an area at the site I had mentioned to him prior to the trip. Straight off the bat we were all finding some decent bugs, here were the only Greenops I found yesterday. I always like to collect some of the weirder associated fauna found at DSR, such as these Hyoliths. This one has both a Hyolith and a cephalopod I didn’t find too much Dipleura wise, only a decent head and some single segments, the latter of which I left at the site. After we finished up at DSR, we decided to move onto another site which I was told not to mention, so I will honor that request.
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Hello all! Today I met up with my good friends @Dean Ruocco and @KompsFossilsNMinerals to collect a couple of Hamilton Group sites in Central NY. The first site we went to was the famous Deep Springs Road site, and then we hit a second location for a little while afterwards. All around it was a good day of collecting, with everyone having success in the trilobite department.
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