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Found 507 results

  1. I started the "My trilobite of the week" thread in the Members Collections section as a way of getting myself to actually start photographing my fossils for the web site I am creating. I have many different types of fossils, but I only collect fossils from before the dinosaurs so that means lots of Paleozoic fossils and most of the ones I have are trilobites. As you would expect for a project like this I have been learning as I have been going along. I got my photography equipment for the specific purpose of photographing my fossils, so I have a different set of lenses than I'd have if I was doing photojournalism or wildlife photography. Most of my fossils are small, and nothing is bigger than a couple of feet long. The hardware: Canon EOS 5D Mark III camera. Canon 24-70 mm zoom lens. This is my most "ordinary" lens and the one least used. For pictures of big fossils and of visiting humans. Canon 100 mm macro lens. This is the main workhorse. Most of the trilobites are photographed with this lens. Canon MP-E 65 mm magnifying macro lens. This has no focusing ring, but has a 1 - 5x magnification ring. For small stuff, like agnostid trilobites. Cognisys Stackshot focusing rail. This is a focusing rail driven by a stepping motor. There is a little control box so you can control it manually but the normal operation is to plug it into a computer with a USB connector and control it by software. A focusing rail is essential for the MP-E magnifying macro lens and useful for the other macro lens. Two flashpoint LED photography lights, 4000K color temperature. These are big square arrays of LEDs, I put one on each side of the specimen to keep shadows to a minimum. A tripod. The focusing rail is attached to the tripod and the camera is attached to the focusing rail. I needed a way to get straight on dorsal shots. If the trilobite is flat on a table this is hard to do, I'd need some fancy hardware to point the camera straight down. So I made a 45 degree table with a ledge on it. I lay the trilobite on the table and point the lens down at a 45 degree angle, and get a straight on shot. The table was actually made from Styrofoam board I got at Staples. It's light as a feather, and sturdy enough for trilobites but I wouldn't put a dinosaur femur on it. If you've ever done macro photography you know the depth of field is very small. If you want the entirety of a 3D trilobite to be in focus you have two options. The first is to use a small aperture, say 24 or higher.. This increases the depth of field at the cost of some resolution and of much less light coming into the camera. The latter issue may not be too much of a problem -- the fossil isn't going anywhere, so you can simply use a longer exposure. The second option is to use photo stacking, which is what I actually do. In this case a series of photographs are taken at different distances from the subject, and the "in focus" parts are combined by software into one picture. Of course each picture is taken from a slightly different perspective so part of what the software has to do is pick is single reference point and map the pixels from each photograph into that single perspective. So, the software I use is: Helicon Remote -- controls the camera and the focus rail. This has a USB connection to both the camera and the focusing rail. This is used to take a series of photographs at different distances from the subject. Helicon Focus -- combines a series of photographs taken with Helicon Remote into a single in-focus-everywhere photograph. GIMP -- the poor man's Photoshop. Ideally the photos will be done right enough that all I have to do is attach the metadata copyright, and crop and/or rotate the picture. Unfortunately sometimes this ideal isn't met. DarkTable -- I use this solely to convert raw files to TIFF files. The photos from the camera are stored as raw files, Helicon Focus can work with raw files. It converts them internally into TIFF files when it processes them. To be continued....
  2. I am in NYC for 5 days at the beginning of March, and I intend on taking at least one of those days to go find some fossils somewhere. I have nerded out pretty hard and crossreferenced localities etc and I have basically narrowed it to Big Brook, Shark River, or trilobites. I would love opinions on where the collecting would be best between Shark River and Big Brook (I have a bunch of Miocene shark teeth from California but absolutely nothing from the Cretaceous). I have some trilobites from California (white mountains) but nothing particularly special. Any and all suggestions will be considered! I have no problems wading horribly cold rivers or banging open limestone as necessary. About me: I am a medically retired field/remediation paleontologist from California, so while i *taught* invert paleo at university, I spent most of my time chasing construction vehicles for Pleistocene megafauna. I have a pickup truck and am always ready to travel... but I moved to New Hampshire where there are ZERO FOSSILS AT ALL.
  3. Hello all! We are planning a trip (with a stop in Pennsylvania) to New York this May to hunt for Trilobites and could use lots of advice. We live in North Carolina, so it is a bit of a haul and we are new to trilobite hunting and to rock splitting fossil hunting generally. I'll lay out the tentative itinerary first and then ask a few specific questions. Any recommendations on the itinerary (additions or places to skip on a limited trip) are, of course, more than welcome! Tuesday Day 0: Drive to Danville, PA and check into a hotel Wednesday Day 1: Visit the Montour Preserve fossil pit ; drive to Buffalo, NY Thursday Day 2: Visit 18 Mile Creek Friday. Day 3: Visit Penn Dixie Quarry (1) Saturday Day 4: Visit Penn Dixie Quarry (2) Sunday Day 5: Drive back to NC The big questions we have (apart from whether this itinerary seems like a good first trip for ambitious new trilobite hunters) are: What tools should we bring? I know safety glasses, chisel and geologic hammer, but what about larger picks, prybars, hammers, shovels, gloves, etc? I've read about people "digging out" an area at Penn Dixie; what is required for that? And what is involved? Is there any rhyme or reason to the pieces you choose to split? What do you look for in a spot? Is there anywhere else "nearby" (within a few hours of anywhere on the route) that we should check out? What am I forgetting to ask? Thank you so much in advance for your help! This forum has been a great planning resource for me and I find more great threads to lurk on every day! Philip
  4. My great aunt gave this to me years ago, and I would like to know if it is real. I know there are tons of fakes, and would like to see if mine is real.
  5. My granddaughter was watching this earlier and I thought maybe there is hope for kids cartoons. Title was suspose to say peppa pig
  6. Middle Devonian trilobites ID

    I found this large rock filled with trilobite pieces yesterday near Manlius in central NY. I believe this rock is middle Devonian in age but I’m unsure of the formation.
  7. Introducing kids to fossils

    I have triplet grandchildren, almost 6 yrs old, who are ripe for discovering stuff. I've dabbled with flintknapping and have a couple purchased fossils that they are interested in. I am looking for some small fossil material that hasn't been cleaned so that they (and I) can "discover" the ancient creatures and research their known history. This material needn't contain complete specimens...I'm thinking maybe whole or partial trilobites, etc. I have some appropriate working tools. We are a bit north of San Francisco and not not close to any good collecting location. online has lots of prepped fossils but I'd like to get some as-found stuff. Any suggestions for finding this kind of thing online? Please PM me with any info. Thanks.
  8. Hey all! New to the forum and happy to finally have something to share. Went hunting in Montague, NJ two days ago on the first of the year and had some luck. I found directions to the site, "Mountaintop Rd. Fossil Beds" using instructions from the first entry on this list. Looks like it's all in the same town as Trilobite Mountain, which I unsuccessfully searched for early on in the day. Eventually I decided to try my hand at this second one before sunset hit. It's a shame that somebody seems to be using this property to hunt animals instead of fossils, but using some discretion you should be able to get in just fine. To my delight, my first fossil hunt yielded many interesting specimens. Shells and more than a few instances of Phalangocephalus dentatus. Wondering about how i might prep this one, which I found inside a larger hunk of rock utterly clogged with shells and trilobite fragments. Would it be useful to take a dremel to it? Also found this strange negative, wondering if anybody more experienced than myself has opinions on what could have left this impression. I hope to do many more fossil hunts in my lifetime. This was a perfect day for me, I can't wait to get back out and do it again. Cheers everybody!
  9. Hi All, Why am I not finding any trilobites (or even any identifiable trilobite partials)? I know the obvious two answers would be that I am either overlooking them or I am hunting in an area that they will not be located in. I am hunting outside of Willow Springs, Missouri, USA in what I believe to be Ordovician Period rock. I am finding all sorts of crinoid, brachiopod, gastropod, bryozoa, rugose, favistella fossils and more. I have even found a large stromatolite reef but I cannot find a trilobite fossil. I would think with the diversity of the fossils that I am finding, trilobite fossils (pieces, partials or whole) would show up at least once. The trilobite is THE bucket list fossil for me and if I need to change my method of searching or my area of searching I want to do that. Virtually all of the fossils that I am finding are "field walking" finds. I either find them in seasonal creek beds, areas of erosion or areas where dirt and rock have been removed or disturbed, if that makes any difference. Thanks for your time and any advice that you can give me.
  10. An interesting web page on fake trilobites. Fake Trilobites, American Museum of Natural History https://www.amnh.org/research/paleontology/collections/fossil-invertebrate-collection/trilobite-website/the-trilobite-files/fake-trilobites Yours, Paul H.
  11. What's your take --- are these real? Considering purchase. Details: "Selenopeltis buchii trilobites", 45 x 35 cm (total size), Paleozoic, Upper Ordovician, discovered in Morocco.
  12. I bought a new old cabinet last winter and spent several months filling it with newly labeled specimens, most of them now stored in jewelry boxes. I took photos of it to show Tim, Fossildude19 and he suggested I post them in the Members Collections section. I followed his suggestion. The collection started in 2011 with a few fossil purchases off a well known public auction site. By the early spring of 2012 I was collecting in the field and the vast majority of my collection was self collected in that manner from sites, primarily in the Northeast and Ohio Valley as well as ones collected on trips to Texas, Germany and out west. There are also some gift specimens that I own thanks to the generosity of a number of friends, most of whom are on the Forum. The top of the cabinet is occupied by miscellaneous specimens, some that wouldn't fit in the drawers, some slated to be in a glass display case I hope to eventually get, and my collection of fossils found in New Jersey just above the Iridium Layer.
  13. Trilobite ID

    Hey everyone, I just received this fossil from a friend and was wondering if anybody could help me properly ID it. Thanks!
  14. I present this here large asaphus trilobite, besides being repaired how much if composited/fake is this trilobite?
  15. Here is a thread to share some of your rarest partials that if whole would've been incredible specimens, but you know how it is sometimes... Yet they still amazing to own a piece of. I will start off by sharing a piece of the tail of a Probolichas Kristiae, an incredibly unique looking rare lichid trilobite from Oklahoma that would've of been incredible if whole of course yet this piece still has amazing detail and I am more that happy to own
  16. Hello, I received this trilobite a long ago that I thought was a Parahomalonotus trilobite when I initially got it, recently someone let me know this maybe actually a Dipleura Dekayi, I definitely have my suspicions this would be the case because the surrounding shale matrix is very unusual for Morocco. What do you guys think?
  17. TRILOBITI

    Dear all, just to announce that I've published a new edition of the Trilobite book "Back to the Past" in Italian version... (yes I know lot of disappointed people...) This new release has an updated classification, following the last trilobite orders (but surely not definitive!) defined by Adrain 2011, 2013 and other authors, composed by more than 480 pages, an A2 folded poster included, new plates, updated wonderful images and new chapters (ontology, colors, origins...). Feel free to ask if someone is interested; you can have access to other information from here: trilobiti_guida_essenziale_al_riconosciento_e_classificazione.pdf or have a look on my website www.enrico-bonino.eu Here follow the introduction, wrote by Sam Gon III (thanks Sam!) ------------------------------------------------------ Trilobites have been a delightful obsession of mine for many years. As a young graduate student in Zoology over 40 years ago, I gravitated to these amazing Paleozoic arthropods, whose huge diversity and worldwide presence symbolized the diversification of life on Earth. I remember hunting for and devouring any books that offered significant focus on the Trilobita. My obsession eventually found virtual expression when in 1999, 20 years ago now (!), I first unveiled A Guide to the Orders of Trilobites, a website celebrating trilobite diversity and evolution. That website, still active today, opened international doors for me, introducing me to like-minded trilobitophiles on all continents, and confirming for me that trilobites were worthy of life-long dedication. One of these “fellow trilobitophiles” is Enrico Bonino. So when Enrico announced that he and Carlo Kier were working on a book dedicated to trilobites, it drew my attention immediately. It was not a primarily technical work, such as the Treatise of Invertebrate Paleontology (Volume O - the so-called “Trilobite Bible”), and yet neither was it a purely popular account. The authors offer us a substantive work, exploring the “world of trilobites,” their origins, morphology, classification, ecology, and paleogeography in extensively researched and richly illustrated sections, then present a large photographic catalogue of trilobites (and some close relatives) organized in geochronological order and by lagerstätte - one can see trilobites from all over the world, over 1000 species illustrated - more than adequate to illustrate the richness and distinctiveness of this singularly wonderful class of ancient arthropods. Even some specimens only very recently discovered (in the first decades of this new millennium) and published are included, like the giant asaphids from the Valongo Formation of Portugal, and the belgian Ohleum magreani. Because new trilobites are discovered every year, and research continues on this fascinating group, the book you hold now is expanded from the original edition that appeared in 2009: new information on trilobite eggs and ontogeny, new localities to showcase, even major changes in the classification of trilobites, with new Orders to consider. This book illustrates how dynamic and fresh the study of trilobites remains in the 21st century. A work such as this could not have come into being without the cooperation of a large, international community of collectors, preparators, researchers, and public institutions that participated in sharing some of the finest trilobite specimens known, and I enjoyed contributing illustrations and feedback to this project over the years. The majority of the trilobites in this book are to be found in the Back To The Past Museum (an impressive collection, one of the best private exhibitions of trilobites in the world), but in addition, it was a delight to recognize specimens coming from other notable collectors and colleagues such as Peter Cameron, Sam Stubbs, Mark Marshall, Jake Skabelund and many others not possible to enumerate here. Like many who devote their lives to our extinct trilobed antecedents, Enrico and Carlo don’t consider the amount of time, research, international networking, and artistic creation that resulted in this book. It is a product of the joy that comes from immersion into the world of creatures hundreds of millions of years gone by, a joy that now we can all share, no matter what language we speak! Samuel M. Gon III, Ph.D. Honolulu, Hawai`i ------------------------------------------------------ Regards, Enrico
  18. Iowa trip

    Just thought I'd share some finds from a club trip to the Devonian of Iowa last Sunday. It was a good trip. A nice clam. This Greenops disintegrated shortly after exposure. Crassiproetus sp. Before After. Enrolled Greenops sp. and Eldredgeops noorwoodensis Group shot
  19. Penn dixie never disappoints!

    Penn Dixie never disappoints Hubby and I went last Saturday and I got loads of goodies. I find it rather interesting how all of these trilobites came from the same small area but the way they sit is so different. I would be curious to find out About the conditions that cause the "hugging" trilobites. It's hard to see because I need to be cleaned but each little group has a couple of them , mostly belly to belly. I'm trying to clean them useing an etching pen and a soft brush but pieces keep breaking off and I'm not sure how to do it without them crumbling.
  20. Greenops Trilobites from Deep Springs Road

    From the album Middle Devonian

    Greenops Sp. Phacopid trilobites (enrolled and partially prone) Middle Devonian Moscow Formation Windom Shale Hamilton Group Deep Springs Road Quarry Earlville, N.Y.
  21. Greenops Trilobite From Deep Springs Road

    From the album Middle Devonian

    Greenops sp. Phacopid Trilobite Middle Devonian Moscow Formation Windom Shale Hamilton Group Deep Springs Road Quarry Earlville, N.Y.
  22. Hi all, It's been a while since I posted a trip report but I was feeling like posting last evening as well as testing out my new photography rig. I moved houses two years ago and lost my lovely brick wall backdrop (the exterior of back of the house) which allowed photography in natural light. The new house is all vinyl siding outside and I have more shade so less opportunity for good sunlit pictures. However, one corner inside the house has a bricked area where a wood burning stove used to be so I have decided to set up some lights there. The pics came out ok so let's proceed with the report. I recently went up to the St. Mary's quarry in Bowmanville, Ontario on a scheduled trip with the local Scarborough club and also stopped off at Arkona while in Canada. I did pretty well at Arkona where I found four Eldredgeops trilobites and two Blastoids among other finds. Nucelocrinus elegans from the Hungry Hollow member of the Widder formation. Sorry, no pics of the Trilobites due to some back spasms but I got these pics of a nice Atactotoechus fruiticosus branch also from the Hungry Hollow Member of the Widder formation. Then I went to the St. Mary's quarry on Sunday where I took a tumble down the rock pile and hurt my ribs. Lucky for me my hard hat took the brunt of the impact my head made with the rocks. With nothing broken and still able to move around, I stayed closer to the ground and found this partial, eroded Isoltelus sp. that is inverted and still shows the Hypostome in place. I also found a plate with Graptolites but that was too heavy to hold and photograph last night. I'll post it tomorrow maybe. Finally, I drove home on Monday and stopped off at a place in New York where some of the Kashong Shale member of the Moscow formation is exposed and found these two surprises. A cephalon of a Dipleura dekayi with some of the shell material eroded away. I think the eye is intact and waiting to see again once some rock is removed. And here is a closeup of the shell on top where you can see the stippled pattern where sensory pits used to be. Lastly I found a pygidium that I am not sure of the genera on. Possibly a Basidechenella sp.? So not a bad trip at all, despite the injury. Good news is that I am healing nicely but still have some soreness and muscle spasms. I'm looking forward to my next trip up in the spring and hopefully will avoid the health scares.
  23. Hunting in Georgia, US?

    Hello everybody, how’s everybody doing? I am planning on flying out to the lovely state of Georgia in December and I would like to know what my options are regarding fossil hunting/ mineral collecting. I plan on flying into Atlanta, then driving to Macon. A day or two will be spent fishing on the Coast most likely around Savannah so I’ll try shark tooth hunting for sure. Nothing has been permanently decided as of yet except fishing. Now I know there is shark teeth on the Coast as I already mentioned but I know there’s maybe trilobites somewhere and that there’s certain places with garnet sand. I also know that the water level in the rivers out there get higher in the winter if I remember correctly. Will that stop me from being able to hunt for teeth and/or trilobites? It would be most appreciated if anybody could PM me with some rough locations or formations for me to research. Also any tips on beach collecting would be great as I haven’t tried it yet. Thanks!
  24. This may seem like an obvious question but I’ve always wondered what specific structural differences are present between a Greenops and a Bellacartwrightia. Any help would be appreciated!
  25. Hey everyone! I finally had a day to go out and enjoy a Saturday fossil hunting with no time limit!! I decided to check 2 middle Devonian locations that have yielded nice dipleura specimens in the past. I’m still looking for “that one” specimen....eventually I’ll find one. I didn’t find the trilobite I tasked myself to find but I did find awesome stuff on Saturday . So here is a little trip report from Saturday September 28, 2019 plus some extra stuff I found earlier in the month. I’ll throw it in at the end. I got up really early so I could get to Cole Hill by sunrise. I had 2 sites in mind from the start. My new house is now only 30 minutes away from CHR which was a nice surprise! Early morning view I’ve had some tough outings at Cole Hill. This rock is so hard!!! I’ve tried clearing overburden just to get to more immovable rock. Anytime I get things moving I find something decent so that was the goal. Find rock that moves!! I ended up finding a spot way off the main outcrop and I got to work. I immediately found a plate with 5 cephalons!! It’s not being very photogenic so I took a picture after making them wet. the right shot shows 4 cephalons stacked in between the white scale bars....the left one shows the 5 hidden cephalon that Is under another cephalon. The bottom piece is just a cheek but could continue I’m not sure. Not very photogenic but rare to find an assemblage like that. I was able to find an area with more weathered rock and I found around a dozen cephalons!!! These are the better and bigger ones. I have a few nice juveniles but they are half covered in rock. I liked these 2 a lot. The left one is very 3D (also came in 10 pieces lol) and the right one has all the cephalon margins intact!! some nicer pygidiums I found. I found 7-10 total in various conditions. I found a lot of associated fauna as well!! The Gastropods came from mostly one bedding plane. The same spot I found the cephalon hash plate these were not far behind littered all over. I also found a bunch of bivalves! Way more than I usually do. I collected more on this trip than I have in the past. The rock kept moving and I kept finding!! After I worked the shelf back far enough I decided I wasn’t going to try and find a new spot. 4 hours of collecting and it was time to go to Deep Springs Rd. Even though I didn’t find exactly what I was after I found lots of amazing specimens compared to past trips . Kept my finder crossed that DSR would be as kind. DSR next post.....
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