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Found 147 results

  1. Collecting trilobites

    101 bugs (a few minor errors in the entries that will need to be cleaned up, of course) Acastoides zguilmensis Phacopid Devonian - Morocco Achatella achates Phacopid M. Ordovician - Verulam Fm Amphilichas ottawensis Lichid M. Ordovician - Verulam Fm Anchiopsis anchiops Phacopid L. Devonian - Bois Blanc Fm Aphelaspis brachyphasis Asaphid Cambrian - Conasauga Fm Asaphiscus wheeleri Ptychopariid M. Cambrian - Wheeler Fm Asaphus cornutus Asaphid M. Ordovician, Aseri Fm. St Petersburg, Russia Asaphus expansus (expansus and gracilis) Asaphid M. Ordovician, Aseri Fm. St Petersburg, Russia Asaphus holmi Asaphid M. Ordovician - Aseri, Volkhov river, St. Petersburg region, Russia. Asaphus intermedius Asaphid M. Ordovician - Aseri, Volkhov river, St. Petersburg region, Russia. Asaphus kotlukovi Asaphid M. Ordovician, Aseri Fm. Koporie Quarry, St Petersburg, Russia Asaphus kowalewskii Asaphid Ordovician - Russia Asaphus latus Asaphid M. Ordovician - Volkhov river, St. Petersburg region, Russia Asaphus lepidurus Asaphid L. Ordovician - Putilovo Quarry, Kunda Horizon, St Petersburg, Russia Asaphus plautini Asaphid M. Ordovician, Aseri Stage, Gostilitsy Quarry, St Petersburg, Russia Asaphus punctatus Asaphid M. Ordovician, Aseri Fm. St Petersburg, Russia Asaphus raniceps Asaphid L. Ordovician - Voibokalo quarry, Kunda Horizon, St Petersburg, Russia Bellacartwrightia whiteleyi Phacopid M.Devonian - Windom Bolaspidella housensis Ptychopariid M. Cambrian - Wheeler Fm Bolaspidella reesae Ptychopariid M. Cambrian - Wheeler Fm Bythicheilus typicum Ptychopariid M. Cambrian - Wheeler Fm Calymene blumenbachii Phacopid Silurian - Wren’s Nest Calyptaulax callicephalus. Phacopid M. Ordovician - Verulam Fm Ceratarges sp. nov. Lichid M. Devonian (Mt. Isshamour, Morocco) Ceraurus sp. Phacopid M. Ordovician - Verulam Fm Changaspis elongata Corynexochid Cambrian (China) Colpocoryphes rouaulti Phacopid Ordovician (Normandy, France) Coltraneia oufatenensis Phacopid L. Devonian - Morocco Coronocephalus gaoluoensis Phacopid Silurian - Hunan Prov., China Crassiproetus canadensis Proetid L. Devonian - Bois Blanc Fm Crotalocephalina gibbus Phacopid Devonian - Allnif, Morocco Cyphaspis boutscharafinense Proetid Devonian - Morocco Dalmanites limulurus Phacopid Silurian - Rochester shale, NY Deanaspis seuftenbergi Asaphid U. Ordovician, Letna Fm., Beroun, Czech Republic Declivolithus titan Asaphid Ordovician - Ourzazate, Morocco Delphasaphus delphinus Asaphid M. Ordovician - Aseri Horizon, Volkhov river, St. Petersburg region, Russia Diacanthaspis (Acanthalomina) minuta Odontopleurid Silurian - Lodenice, Czech Rep. Dipleura dekayi Phacopid M. Devonian (?Hamilton Gp) Dolerobacilicus sp. Asaphid Ordovician - Taebaek, Gongwon-Do, South Korea Drotops megalomanicus Phacopid Devonian - Allnif, Morocco Ductina vietnamica Phacopid Devonian - SE Asia (no formation information given) Ectillaenus benignensis Corynexochid Mid Ordovician - S. Alnif, Morocco Ectillaenus giganteus Corynexochid Mid Ordovician - Valongo Fm, Portugal Eldredgeia eocryphaeus Phacopid L. Devonian (Belen Fm, Calamarca, Bolivia Eldredgeia venustus Phacopid L. Devonian (Belen Fm, Calamarca, Bolivia Eldredgeops rana crassituberculata Phacopod M. Devonian, Silica Fm. Paulding Ohio Eldredgeops rana southworthi/iowensis Phacopid M. Devonian (Hamilton Gp) Eldredgeops rana Phacopid M. Devonian (Hamilton Gp) Ellipsocephalus hoffi Ptychopariid M. Cambrian (Drumian) - Jince area, Brdy mountains, Czech republic Elrathia kingii Ptychopariid M. Cambrian - Wheeler Fm Flexicalymene croneisi Phacopid U. Ordovician - Lindsay Fm, Flexicalymene ouzregui Phacopid U. Ordovician (Anti-Atlas, Morocco) Flexicalymene senaria Phacopid M. Ordovician - Verulam Fm Geesops schlotheimi Phacopid M. Devonian - Gerolstein, Eifel mountains in Germany, Ahrdorf Schichten, Flesten Member Gerastos ainrasifus Proetid M. Devonian - Taboumakhlouf Formation Mrakib, Morocco Gerastos marocensis Proetid Devonian - Jebel Marakib, Tafraoute, Morocco Gravicalymene celebra Phacopid Silurian - Illinois Greenops barberi Phacopid M.Devonian - Windom Greenops widderensis Phacopid M. Devonian (Hamilton Gp) Hollardops sp. Phacopid Devonian - Morocco Huntoniatonia sp. Phacopid L. Devonian - Haragan Fm, OK Hydrocephalus carens Redlichiid Cambrian, Jince Fm, Skryje, Czech Republic Illaenus cf. oblongata Corynexochid M. Ordovician - Vilpovitsy quarry, St. Petersburg region, Russia Illaenus sinuatus Corynexochid M. Ordovician - Vilpovitsy quarry, St. Petersburg region, Russia Isotelus gigas Asaphid M. Ordovician - Verulam Fm Isotelus "mafritzae" ('A' and 'B") Asaphid M. Ordovician - Lindsay Fm Itagnostus interstricta Agnostid M. Cambrian - Wheeler Fm Kainops sp. Phacopid Devonian - Oklahoma Haragn Fm Labiostria westropi Asaphid Cambrian (McKay Gp, BC, Canada) Leviceraurus mammilloides Phacopid Ordovician - Lindsay Fm, Ontario Malvinella buddeae Phacopid L. Devonian (Belen Fm, Patacamaya, Bolivia) Mannopyge halli Proetid L. Devonian - Amherstburg Fm Metacanthina issamourensis Phacopid Devonian - Couche Rouge, Maeder Region, Morocco. Modocia brevispina Ptychopariid M. Cambrian - Wheeler Fm Mrakibina cattoi Phacopid Devonian - El Oftal formation Jebel Mrakib, Ma'der, Alnif, Morocco Nanillaenus sp. Corynexochid M. Ordovician - Verulam Fm Nileus armadillo Asaphid Ordovician - Haellekis, Sweden Odontocephalus sp. Phacopid M. Devonian (?Hamilton Gp) Ogygiocaris dilatata Asaphid Ordovician - Oslo Fjord area, Norway Olenellus gilberti Redlichiid L. Cambrian - Pioche, Nevada USA Parabolinella sp Ptychopariid Cambrian (McKay Gp, BC, Canada) Paralejurus dormitzeri Corynexochid Middle Devonian Hamar Laghdad Fm, Alnif, Morocco Paralejurus spatuliformis Corynexochid L. Devonian - Lamrabek, Atchana, Morocco. Hamar Laghdad Fm. Phalangocephalus dentatus Phacopid L. Devonian - Port Jervis Fm Piochaspis sellata Ptychopariid Cambrian - Chisholm Shale, Pioche, Nevada USA Pliomera fischeri Phacopid Ordovician - Kinnekulle, Sweden Pseudoasaphinus gostilicyensis Asaphid M. Ordovician - Asei Stage, Gostilitsy Quarry, Russia Pseudodechenella sp. Proetid L. Devonian - Bois Blanc Fm Pseudogygites latimarginatus Asaphid Ordovician (Billings Fm) Ptychagnostus occultatus Agnostid M. Cambrian - Wheeler Fm Redlichia mai Redlichiid Cambrian (China) Reedops sp. Phacopid Devonian - Atlas Mtns, Morocco Scabriscutellum furciferum Corynexochid M. Devonian - Hamar Laghdad Fm, Morocco Thaleops sp. Corynexochid U. Ordovician - Lindsay Fm, Triarthrus eatoni Ptychopariid Ordovician (Billings Fm) Trimerus delphinocephalus Phacopid Silurian - Rochester shale, NY Trypaulites calypso Phacopid M.Devonian - Dundee Fm Trypaulites erinus Phacopid L. Devonian - Bois Blanc Fm Wenndorfia planus Phacopid L. Devonian - Jbel Boulschral, Tafilalt, Morocco Wujiajiania sp Ptychopariid Cambrian (McKay Gp, BC, Canada) Zacanthoides sp. Corynexochid Cambrian - Chisholm Shale, Pioche, Nevada USA
  2. Check the entries below carefully and cast your vote! PM me if you notice any errors with the entries. The poll ends May 9th. Be sure to vote in our other FOTM poll, HERE 1. Angiospirifer sp. brachiopod - Tournaisian, Lowermost Carboniferous - Juodikiai Quarry, Klaipeda District, Western Lithuania 2. Angiospirifer sp. brachiopod - Tournaisian, Lowermost Carboniferous - Juodikiai Quarry, Klaipeda District, Western Lithuania 3. Petrified wood with pyrite - Gault Clay Formation, Lower Cretaceous - Compton Bay, Isle of Wight, England 4. Pachydiscus ammonite (with bonus inoceramid) - Ozan Formation, Cretaceous (84-71 Ma) - North Sulphur River, Texas 5. Nahecaris frankei (phyllocarid) - Emsian (Early Devonian) - Burg-Reuland, Belgium 6. cf. Bethanyphullum sp. rugose (horn) coral - Silica Shale Formation, Middle Devonian: Erian - Paulding, Ohio 7. (likely) Titanites sp ammonite - Kimmeridge Clay, Jurassic - West We are, Isle of Portland, UK 8. Sinespinaspis markhami trilobite - Cotton Formation, 435 Ma - Cotton Hill Quarry, NSW, Australia 9. Undescribed Calymenid trilobite - Gunningbland Formation, 450 Ma - Gunningbland, NSW, Australia 10. Crinoid cluster matrix - Carboniferous, Tournaisian - Kitab Geological Reserve, Uzbekistan 11. Tabulate coral - Devonian, Fammenian - Kitab Geological Reserve, Uzbekistan 12. Aphelaspis brachyphasis trilobite - Late Cambrian Conasauga Formation (~500 Ma) - Chatsworth, Georgia
  3. Today, I decided to stop and see what @MeargleSchmeargl left behind at the Conasauga River trilobite location. I do like collecting at this Cambrian site. It is not a matter of finding trilobites, it is deciding which pieces you want to keep. I only spent about 1 hour there and did not collect any matrix, I just felt like splitting some pieces and finding a few trilobites. Nothing special was found and they we’re all Aphelaspis brachyphasis. As stated in @MeargleSchmeargl post, the River was low and the matrix was dry, thus making it very easy to split. I have only seen the River lower than today on one other occasion. When it is low, it is easier to maneuver and find a place to get comfortable. Here are my finds from today- this is the least amount of trilobites that I have found, but it because it was just a quick stop and I was taking my time. Here is my favorite find of the day- Here are some others-
  4. It was that time of the month again, when I just had to scratch that fossil hunting itch. After the relative disappointment the other week in Floyd County, I decided to go ahead and pay another visit to my all-time favourite site in Chatsworth. When we got there this morning, it was obvious that the Conasauga river had greatly receded since the last time we saw it. In fact, it was the lowest it's been for more than a year (back in Feb. 2018). River on my last visit (Feb. this year): The river today: And a view from river bank: With how low the river was, I had a greater range of movement than I've had for more than a year's worth of visits to the place as a result. This also meant I had a lot more places to find Trilobites! And the Aphelaspis specimens I found were definitely worth the trip! To be continued
  5. April 2019 - Finds of the Month Entries

    I'll add another Trilobite to the mix. I'll see if I can get some better pics in down the road, as well. Aphelaspis brachyphasis trilobite 4/28/19 Late Cambrian Conasauga Formation (~500 MYA) Chatsworth, Georgia Positive: Negative:
  6. 8th Trip to Chatsworth: Much Lower River Yields Really Good Trilos!

    Yeah, the Conasauga rocks are really nice and colorful.
  7. Show us your Agnostids!

    I now have 2 slabs with Agnostids: One that I found last week, and one that I bought years ago at Fernbank Museum of Natural History. You know what to do: Show 'em if ya got 'em! This is the hash slab I bought with some Agnostids and Elrathria: And this is the Barrandagnostus inexpectans that I found last week up in Chatsworth. Probably my most proud find in the Conasauga shale:
  8. I just went to the Floyd county Conasauga at a roadside site mentioned in https://www.researchgate.net/publication/264495630_Taxonomy_and_biostratigraphic_significance_of_some_Middle_Cambrian_Trilobites_from_the_Conasauga_Formation_in_western_Georgia (partly guided by a few locals). After searching, we found tons of nodules, and only a few exposed Trilo parts. It was only near the end of the trip that I realized that at this site, I might need to split the nodules open to find much in them. So I took a few decent sized ones with me to figure out what to do with them after I attempted to split a few, and only getting one open relaitively cleanly (nothing inside). My immediate assumption is perhaps to use the freeze/thaw method I've heard people use for mazon creek nodules (instructions?). Any other tips for splitting these nodules? They're much tougher that I personally thought they'd be (at least it was harder to actively split them on site, given their round shape makes it hard to keep the chisel going in one spot). The site: Some of the numerous nodules present:
  9. At this Murray County location, trilobites are not the only thing that can be found. Last April, I contacted Dr. David Schwimmer, who is a Professor of Geology at Columbus State University in Georgia. Dr. Schwimmer has also published a couple papers on the fossils from the Conasauga Formation. I wanted to see if he could identify a small piece of matrix that contained something that I have not found before, or since. I was thinking that it was some type of algae, so I sent both halves of the fossil down to him so he could examine them and see if he could come up with an ID. Here are the two halves- A couple months later, I was contacted by Dr. Schwimmer and he provided the below response. "We put your anomalous specimen in the SEM (Scanning Electron Microscope) finally, and it turns out there was no image! That means it has no relief, its a color feature, almost certainly iron oxide colors. My interpretation is that it must be some sort of relict carbon-based plant material, which would suggest, as you first assumed, some sort of algae. Since there is no tissue I would rule out red algae, which usually have carbonate crusts, leaving a green alga as the likely source". I let him keep whatever piece that he wanted and he returned the other piece. Here are close ups of the piece that I have in my collection.
  10. Floyd County Trilo location?

    Once again, I have a school-endorsed excuse to go fossil hunting! Feeling like trilobites, but I want to go see what the sites in Floyd county, GA have to offer to change things up. Anyone know of any places to go to access any potential outcrops of Floyd's Conasauga? Thanks in advance!
  11. Floyd County Trilo location?

    This excellent paper has a bunch of Floyd County localities listed in the appendix: Schwimmer, D.R. 1989 Taxonomy and Biostratigraphic Significance of some Middle Cambrian Trilobites From the Conasauga Formation in Western Georgia. Journal of Paleontology, 63(4):484-494 PDF LINK
  12. Conasauga Crusade #7: Jackpot

    Well, It's been a while. After a hiatus that has seemed like forever, my friend Barrett and I decided to head to the Conasauga to find us some bugs as neither of us really had anything to do this weekend and we both wanted to do something. This was Barrett's first time, so I was effectively his mentor for the day. First stop however, breakfast of southern hospitality at a local biscuit place! After that, we went right to the site, getting into the nitty gritty. The river wasn't flooding over, but it was pretty decently high. Of course, that wasn't stopping us. We got into our big water-proof boots and jumped right in. Barrett quickly got into the groove, finding a certain section of the formation that was producing very large and complete Aphelaspis Brachyphasis with just about every swing of the hammer and chisel. Then late into the day, I found THIS beauty: I was stunned. I had never seen an exoskeleton on a positive that complete from the formation before like this, and for a second I thought it was fake. (sidenote, while transporting it to the car not long after this picture, a portion of the tailshield's exoskeleton unfortunately got peeled off by a very light breeze into the wind. At least I got a picture! Very fragile!) There was also a negative, though honestly it was completely outshown. In the end, we didn't take a whole lot, but we definitely took a number of really good ones, including some of the largest complete Aphelaspis I've seen.
  13. After a bust season in Florida for the Peace River, it has been way too high. I am excited to be planning a trip back to Newberry, Mi. Two years ago when I was there, I was able to collect at a degrading hill side east of the town. There is a quarry of Collingwood Shale south of the town, but I was fortunate to find drift cobbles, and some Collingwood Shale on a friends property. Last time I found several nice impressions of Pseudogygites , mostly just the pygidium. I also found a couple of kinds of graptolites, and brought back a 4 inch thick, 16" long slab of shale with a nice orthoceras impression on the top. As i began salivating about my new trip, I returned to the shale and decided to split it, hoping I would not break the orthoceras impression on top. Well I am glad I did. It was such an interesting afternoon. One of the splits revealed just a fine grain layer of dark mud, with nothing in it. That was the middle split. Then I split each of those halves...in the have below the clean layer, I saw lots of little white dots...ranging from 1/32 of an inch to 1/16...Turns out they are braciapods. I captured a photo of one of the largest, and in it, the hinge even shows. Amazing. On the the half lying between my orthoceras impression on top of the clean grainy mud. Excitement. And drum roll please. I popped open what appears to be a small orthoceras, but perhaps it is a conularid, can't really tell. The exciting thing for me was the preservation. It has a nice decomposition blow ring of color around it, deriving from the decomposition gasses. I learned that from studying my Conasauga trilobites. And then it has some nice detail indicating structure. I was really excited. In the photo of the two halves, one looks larger because it is closer to the camera. On the other side, the top of this piece, my orthoceras was preserved, but a little chip from the side revealed a nice graptolite. A bit more might be revealed, but my previous experience with graptolites. precludes that...I don't plan to touch it. I found so many of them last time, I played around to see if they would be cleaned up....not the ones I have, they just break apart at the slightest touch. So overall, I feel like I am experiencing my trip once again, and I hope to be able to post new photos in June after I return. First photo is the little brachiopod (unknown type). Second photo is the Collingwood shale after splitting. Third photo is the two halves in same photo. Fourth photo is half A - fifth is half B
  14. A lot of absolutely lovely trilos, and I'm especially interested in the Conasauga ones from Floyd. Just about everyone and their mother knows about the Murray place now, and while I've heard about/seen some of the stuff that comes from Floyd, I haven't heard of any collecting spots for those localities. Also interested in that Pecopteris (because me want ). Hear about plant sites in Appalachian plateau, but not any specific locations, and I'm dying to get my hands on some of that veggie goodness from the Pennsylvanian. PMs on Floyd sites and plant sites?
  15. Here are some of the Conasauga pieces from Cherokee County, Alabama.
  16. I also picked up 4 other beer flats from the same room that were priced between $1 and $2 per flat. I had to get these because they were filled with various fossils from the Conasauga Formation from Georgia and Alabama. If you have seen any of my posts on the trilobites from the Conasauga Formation of Murray County Georgia, you know that I collect a lot of this stuff, the difference her is that these pieces are from Floyd County, Georgia and Cherokee County, Alabama. These pieces are totally different in species and matrix than I am used to collecting. Here are some pieces of shale from Floyd County, Georgia- these contain a lot more agnostid trilobites than I find at the Murray County Site. @MeargleSchmeargl you might be interested in this post.
  17. Conasauga Formation Trilobite ID

    Today I was picking through some of the matrix that I have from the Conasagua Formation from Murray County, Georgia and came across a trilobite that surprised me by its size and nice detail. Unfortunately, this trilobite is not complete, and from my limited knowledge of trilobites, it does not look like the Aphelaspis brachyphasis trilobites that i find from that location. Lastly, if it is an Aphelaspis, it must be one on steroids. Any help would be appreciated. @Kane , @sixgill pete , @Fossildude19 , @WhodamanHD , @FossilDAWG An Aphelaspis - on the larger size of what I find. Unknown:
  18. Conasauga Shale

    Made it down to the Conasauga Shale as the last of 10 sites on a 4-state, 6-time-period collecting expedition in mid-august. I'll post reports on the other sites (as well as other trips earlier in the summer) later. I elected not to split shale on-site and just collected shale for splitting in a controlled environment. I'm only interested in trilobites that still have the exoskeleton (rather than just impressions). I gently tap the shale until I see a fine crack in a bedding plane and then carefully pry it apart with an Xacto knife. The exoskeletons usually have a hollow space above and below them and are terribly fragile. One must hope that all the exoskeleton ends up on one side of the split. Any still unexposed require tedious removal of matrix under a scope with a fine needle while trying to avoid poking through the exoskeleton into the hollow space underneath. I wick consolidant under the exoskeleton to prevent it from flaking off. Even blowing on it can knock it off. Here are the keepers.
    • goatinformationist
    •   
    • Steve D.

    I have the same issue with my Conasauga trilo's in mud stone.  Easier for me as large chunks go into a bowl of water and in a couple of hours they turn into decks of playing cards.  Most cards can be separated by clever finger tips but some require the exacto.  Best of Luck.

    1. Steve D.

      Steve D.

      Thanks!

  19. Gettin' Around - Bosque County

    If I had a car and enough time on my hands, I'd follow suit. Particularly a couple of Rocky outcrops I've seen on the way to the Conasauga bug site I frequent. They just have that "look" that tells you something's in them. Those bivalves look like you plucked them right off the seafloor. Absolutely beautiful!
  20. A while back on one of the occasions my friend Barrett and I went to the Conasauga creepy crawlies, a man who arrived some time later with his daughter to hunt them recommended we check out a place called Springfield. A rough map of the area in and around Springfield says that there are pleistocene deposits in the general area. Anyone know of a good place to learn more, or a potential spot to hit?
  21. Diving Into Georgia's Silurian Seas

    nice hash plates...thanks for the photo of the deep Conasauga river, scary. I've seen it as deep as you anticipated, but like you was surprised by its winter depth.
  22. Diving Into Georgia's Silurian Seas

    Yes, nice crinoid columnals and beautiful brachiopods! Shame about Conasauga, though I'm lucky enough to have some pieces from there. (thanks again to Ralph, @Nimravis) The brachiopods are orthids but I don't know any more, not got any USA Silurian stuff to study, @Peat Burnsmay know more. That last hash plate is gorgeous.
  23. Diving Into Georgia's Silurian Seas

    Nice trip report and glad that you made it to the Dalton site, I agged you on another trip that I made there in December. I feel your pain with the Conasauga, I have seen it that way in the past.
  24. Diving Into Georgia's Silurian Seas

    Before much longer, we had a pretty good sample size from the site. Upon returning to the car, I looked at the phone and realized that the Chatsworth site I'm so fond of was a mere 11 miles away. With this in mind, we decided "Why not?" and went to check on our favorite Cambrian creepy crawlies. Rains had been fierce the past week, so I was expecting the Conasauga to be somewhat high, requiring my water boots. However, when we got there, we were greeted by this: The collecting area was at least 6 or 7 feet underwater, and the river had essentially become a lake with flowing water. Needless to say, we didn't supplement our brachiopod hunt with a bug hunt. I'm in the middle of taking good pictures of our finds at the moment. I could use a pointer or two at ID (I'm pretty rusty on my Silurian fauna), especially these mysterious "rings" that were on many of the plates. Until then!
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