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  1. Fruzze

    Devonian fossil?

    Hey guys, I went on a little hike with my girlfriend in couvin, belgium. Of course we had to pass by the fossil site over there (with devonian fossils, if I am correct). I found something on the ground there that i havent seen before. So i was wondering what it could be? The piece is pretty big its about 7 by 3 cm and the little piece next to it was also probably attached. Its sitting on top of an acervularia ananas sp. I got from the exact same location a few years ago.
  2. I'm researching bird fauna from the Danian Paleocene era recently and I have some questions about a particular bird, Asteriornis maastrichtensis. It was discovered in late 2019 in Maastrictian deposits of the Maastricht Formation, Cretaceous dating 66.8-66.7 Million Years ago in what is now Belgium and was pretty small in size, about the size of a small duck and weighed only 394 grams when alive. https://www.nature.com/articles/s41586-020-2096-0 Asteriornis is the earliest confirmed Neognathae (a group of birds of which the majority of birds alive today belong to) and it's oldest remains date to just around One Million Years before the Cretaceous-Paleocene Astroid impact wiped out that last of the non-avian dinosaurs. I've seen a lot of people say that this bird species survived the Cretaceous-Paleocene Extinction event into the Paleocene. It's small size and diet of seeds make it a good candidate to have survived the event, but I haven't found any definitive records yet of Asteriornis from the early Paleocene. What I'm wondering is did Asteriornis survive the Cretaceous-Paleocene Mass Extinction Event 66 Million Years ago and are there any records of Asteriornis that date definitively to the Paleocene era?
  3. hemipristis

    Belgian shark tooth, Cow Shark upper?

    In with a grouping of Miocene teeth from Antwerp, Belgium that I received a while ago. Notorhynchus upper parasympheseal? Or something else? The foam square is 1 inch/2.54 cm square. Photos of the labial and lingual sides plus an end shot of the root. Any help would be appreciated!
  4. Last weekend we went back to the area of Chimay in Belgium, the quarry has been exposing some interesting anoxic deposits lately. There has been a little bit of movement with buldozers, so we had acces to fresh material. So it didn't take long for the outlines of the first goniatites to apear. We found quite a few promissing specimens that I've been starting to prep this week. ( mechanical en chemical prep) Placoderm: Prep time, 1st batch stil work in progress:
  5. Hi everyone, From now on I will post my hunting trip reports to Eben Emael as I often forget to make separate posts for them. I visit the Romontbos Quarry in Eben Emael multiple times a year with our fossil club, the BVP (Belgische vereniging voor Paleontologie). It's one of the last active locations that's still accessible in the Maastrichtian Type Location that allows hunting, and the quarry is only a 20 minute drive away for me, so that's ideal. DISCLAIMER: For all new fossil hunters: This location is off-limits for individual people! You cannot go hunt there on your own. The quarry is very strict and does not allow trespassing. This is an amazing location with great fossil finds, so I cannot stress it enough to not enter this place illegal as it could put a stop to fossil hunting for everyone here. If you want to go on a fossil hunt here, join the BVP! They are the only ones with permission to access the quarry, and they organize multiple excursions to the quarry each year under strict safety protocols. If we behave, and no one blows it by trespassing, we should be able to have access to this quarry until the year 2043. Now that's out of the way, let me introduce this amazing location which is my favorite place to hunt! The Romontbos quarry in Eben Emael is part of "Mount Saint Peter" which lies on the Dutch/Belgian border and is home to the so called Limburg/Liege chalk also know locally as "Limburgse mergel" which was often used as building blocks in the past which is why you can see serpulids, oysters and urchins in the stones of old buildings in the region. The quarry is located only a couple of km from the city of Maastricht and "Mount Saint Peter" is the location where one of the first biggest fossil discoveries has been made, a skull of Mosasaurus hoffmanni A.K.A "The Beast of Maastricht" back in around 1766. The layers of Eben-Emael are part of the Maastrichtian type locality dating back to around 70 - 66 million years ago, during that time this area of Belgium and the Netherlands was part of a shallow tropical sea. The layers in the quarry have a very rich fauna and floral list: You can find many bivalves (Acutostrean Agerostrea, Pinna, Neithea, ...), Gastropods, Brachiopods, Serpulids, Belemnites, Crustacean claws (Mesostylus faujasi), sea urchins (Hemipneustes striatoradiatus, ...) and shark teeth (Squalicorax, Pseudocorax, Palaeohypotodus, ...). For the microfossil lovers there is also oportunities to collect Bryozoans and Forarminifera There is also fish material like fish teeth and the odd scale or vertebra to be found, or if you are very lucky you can find fossils of one of the many species of Mosasaur and Sea Turtles that swam in this shallow sea. But also plant material can be found like Sea Grass (Thalassocharis) of which this quarry is one of the only places in the world where you can find sea grass. But also Conifer material has been found regulary at past excursions. Also known from this location and other localities in the Maastrichtian type locality but exceedingly rare are ammonites, crab carapaces, sawfish material, Elasmosaur material, dinosaur material (Betasuchus and Hadrosaurs), marine crocodile material and bird fossils. It is in this same quarry that "the wonder chicken" Asteriornis maastrichtensis and Janavis finalidens were found. Should you see me on one of the excursions, feel free to say hi and come for a talk! Also feel free to share your own fossils from your trips to Eben-Emael, the more the merrier!
  6. Hello! Over the past half year I have been collecting shark teeth on the Belgian north sea coast from dredged sand. I have gathered the ones that are complete and identifiable to figure out specifics but the mackerel sharks prove difficult. Luckily I have a page with multiple species from the specific beaches and deposits I visited. (Onderkaak = lower jaw, Bovenkaak = upper jaw). However, this does not include all of the possible species. Many are from the ypresian, the vast majority are eocene of course. This should narrow it down immensely already. My resources are limited though. I have front-back views of my teeth collected and have given them numbers for easy differentiation. I’ve also tried to sort similar ones together. I think most of them could be striatolamia macrota but there are subtle root shape and tooth size differences that I have 0 experience with. I hope more knowledgeable shark enthusiasts here can help with this. I also added some quick side views to showcase that no. 1 and 11 do have a curve to them whereas most of the others are either perfectly flat or pointing slightly up (when lying down with the flatter side underneath). With eocene shark teeth ID, my biggest issue is always not knowing if tooth differences are merely related to placement in the mouth, or if they are actually differences between species. I will provide closeup sideviews of specific teeth if necessary for ID.
  7. I have no clue what this could be. Not a trilobite, not sure if it's a rugosan. Age: Late Eifelian Locality: Southern Belgium Width: 1,3 cm Length: 1,5 cm
  8. Hello, I'm back with another mystery trilobite. So I recently found this partial pygidium of a proetid trilobite (I'm not sure if it's actually a proetid but it looks like one). At first I thought it was a Dechenella daumeriesi, however the axial rings seem to be much larger in my specimen than the holotype from Van Viersen & Prescher, pictured under the images of my specimen. Trilobites aren't really my speciality so I don't know what this could be. Anyone have an idea? Age: Late Eifelian Locality: Hanonet Formation, Ardennes, Belgium Length: 13 mm Width (maximum): 10 mm My specimen Dechenella daumeriesi (from Van Viersen & Prescher, 2008)
  9. I have assembled quite the collection of stromatoporoid fossils in the last year and a half since I began this hobby. They are my 'main focus' for now, together with brachiopods and corals to a lesser extent (especially Gypidulid Brachiopods). I have been reading scientific papers on stromatoporoids for a few days because I hope to get a full understanding of them. The articles were mainly by Stephen Kershaw and collaborators and by the late Colin Stearn who have both produced some great stromatoporoid literature. I am currently reading https://journals.ku.edu/treatiseonline/article/view/4088/3855 (Internal morphology of the Paleozoic Stromatoporoidea by Stearn 2015) in order to identify my fossils. I have found it a good tool but I'm having a hard time distinguishing between pillars and pachysteles and between laminae and pachystromes. I understand pachysteles and pachystromes are thicker and more robust versions of their counterparts, but the problem is that the figures provided in the paper don't have a scale (only magnification is mentioned) and it subsequently becomes very hard to distinguish. I have also not found any other clear illustrations of the difference on the internet. Here's a useful table by Stearn for determining the type of stromatoporoid: cyst plates and pillars (Labechiida) laminae and pillars (Clathrodictyida, Stromatoporellida) pillars and colliculi (Actinostromatida) pachysteles and pachystromes in an amalgamate structure (Stromatoporida, Syringostromatida) My questions are: Does anyone know a useful way to determine genus/family other than what I'm doing? Is there any particular way to distinguish pachystromes and pachysteles from laminae and pillars other than looking at their robustness? If anyone has some interesting literature about this, please tell me about it. I have provided close-up pictures of an example specimen below (I have dozens more, so I'm able to provide them if necessary). Is anyone able to say if it is composed of laminae and pillars, pachystromes and pachsteles or any combination thereof (maybe also cyst plates)? Also, I assume all my specimens are the same genus because: They were all found at the same locality in the same formation (Middle to Upper Hanonet fm.) Stromatoporoid assemblages typically have low species diversity, having one genus more abundant than others ( as stated in Kerschaw 1990; Da Silva, Kershaw, Boulvain 2011) I will look at every specimen before assigning it a genus/species though, just to be sure. There's also a question I have about why there are less stromatoporoid fossils in units 1 and 2 of Hanonet fm relative to the later units (at least in my experience). They are more abundant where there are argillaceous limestones than where there are calcareous shales. I know stromatoporoids preferred to grow on carbonate substrates so it might be because there's simply more carbon in the limestones. Then there's the question of why the shales are followed by limestones, which I think is because of a transgression resulting in the deepening of the sea (as mentioned by others in research). Limestones are more characteristic of deeper areas so that's why I think that. I have read articles about this in the past but I'll have to re-read them to fully understand. Also, if there's anything I got wrong please point it out.
  10. Last wekend Natalie and I had a quick little field trip to my favorite quarry in southern Belgium. The prospecting was done in the rain, but it cleaned of the dust of the sree piles, so we did find some decent stuf. Most of it were goniatites, but Natalie also found a nice orthocone and we did find quite a few placoderm remains. Natalie found this nice loose Manticoceras, just a little chemical preparation and the air scribe to clear out the center: The orthocone she found, after the prepp: One of the Manticoceras I found was a lot harder to prep: a fragment of a median dorsal plate from a large arthrodire placoderm: And a little nodule with a very well preserved bone fragment, It turned out to be the posterior part of an infragnathal
  11. Hello! This fossil was found by my older brother and father in the 2010’s on a riverbank near the Wallonian village of Palogne. I matched this locality with a map of known deposits in the region; there are both lower Devonian and dinantian-Carboniferous layers in this general area. Still, there are so many different deposits in the bigger region and since this was on a riverbank it could’ve been washed up from anywhere. Both sides and all edges are covered in either imprints, or the fossil itself (I am not familiar with it so I can’t tell). One side has more and smaller circles, the opposite side has less and bigger ones, and they are stretched/warped along the sides of this rock. It has been sitting on a shelf for years and years until I got into fossil collecting and my father gave it to me. I’d love to figure out what this is!
  12. Found this on the beach in Ostend today, we were looking for shark teeth but found this instead no idea what it is but it looks like a fossil About 10 cm long, 2,5 cm wide, 1,5 cm high
  13. So last weekend picked this up from another collecto. About 51 pieces of partial Megalodon teeth from Antwerp & Borseek, Belgium. These are quite more rare than you see in the USA or Indonesia for example. Biggest one measures around 5 inch.
  14. Natalie81

    Before and after

    Hi there, It has been a long time that I posted some of my finds. Last weekend I found a nice goniatite in de devonian deposits of Belgium. Thanks to @Manticocerasmanfor the prep
  15. Adam86cucv

    Acquired a collection

    Yesterday I received a 30 pound box of various shell, marine fossils, and some other miscellaneous fossils and a few extant bits as well. I will post in the ID section some as not everything has a label. It is a large overwhelming amount to sort through so this will be a bit at a time kind of thread. Please let me know if anything of the id tags are using outdated names or incorrect, etc. First an overall picture the seller had of the lot. Some Brachiopods from Wutach Germany What appears to be clam steinkerns also from Wutach Germany second picture of hinge point if that is useful. A pair of Glycymeris Americana with matching valves from Virginia Sticking with the Virginia theme a pair of Crucibulum constrictum A crab burrow from another Virginia location. And last but not least for now is some Olivia carolinensis from North Carolina I will try to make additional posts every few days as I unpack and sort this collection out. Stay tuned folks.
  16. ThePhysicist

    Porbeagle Shark

    From the album: Sharks

    A cousin of the great white and mako sharks, this pelagic predator is predominantly a fish-eater. This tooth is a bit worse for wear since it's missing its cusplets.
  17. Our fossil shed is finally done, with the last work of the carpenter to install a door and the last bits of insulation. So now it is time to clean up the place and reorganise a little. This weekend I took a selection of my best material out from the Lompret quarry in Belgium and started to reorganise it. Most of it are Gephuroceratidea goniatites like Manticoceras sp. And Crickites sp. , but also some Oncoceridea, Orthocones, crinoids, placoderm and more. I’ll be taking more pictures this week when I keep on filling the cabinets. pics on both sides from the 1st table: 2nd table: time to fill up the cabinets: The Manticoceras sp. cabinet: ( close up's will follow )
  18. Fruzze

    What is this?

    I found this one together with some bivalves. Its an area where you can find fossils from the emsian era. Any ideas on what it is? Found it in Thanville, Belgium. Already a little known place for searching fossils from the devonian epoch.
  19. I got some marine mammal teeth from Kallo (near Antwerp) Belgium. I've tried to identify these, but find it difficult. Who knows more about this and wants to help me on my way? Squares in centimeters! I think the first three teeth are Delphinodon dividum (True 1912). Clear serrations and striking ''teardrop-shaped tooth crown''
  20. Manticocerasman

    Orthocone prep

    Appart from the ususal goniaties that I find in my favorite hunting spot, I do find some other cephalopods there from time to time. Last trip I found a realy nice orthocone. the fossil shell is 18cm long. I used a combination of mechanical ( airscribe ) and chemical ( potassium hydroxide ) prepparation. pictures as found, during prep and after prep:
  21. Hi everyone! Im looking for some Nice quality megalodon teeth. I don't mind the location I've got a permafrost complete rare mammoth molar for offer. As wel as a rare collection of belgian megalodon teeth
  22. sander hollebosch

    Need help identifying this fossil

    Can't figure out what tooth this is, a student of mine brought it in my classroom. She found it at the beach in Belgium. Somebody who can help me out?
  23. Manticocerasman

    Backlog fossil prep

    The last few fieldtrips didn’t deliver a lot of fossils, so now I got time to get started at my backlog of fossil preps from the Lompret quarry. I still have well over 100kg of material to sort and to prep from there. Last weekend while rummaging through a few of those boxes I picked up one that got my interest. A Fragment of a large nodule with a part of a nicely sized Gephuroceratid poking out. After a good look, there were a couple of other fossil fragments visible in there, sadly the matrix was extremely hard. I had to use a grinder and hammer and chisel to get through it, the problem was that apart from the few visible specimens I was grinding in to it blind, so It happened that I grinded through a few fossils that weren’t visible on the outside. But from time to time I was lucky and exposed a few more fossils, including a nice small pyritized Manticoceras. After that I got the specimens out, I used a grinder to go over the matrix and used colour deepener on the fossils, this gives a nice colour contrast between the fossils and the matrix. The fossils visible on the finished piece are: a few Gephurocertids like Manticoceras sp., a little Tornoceratid, a Bactrites sp., a fragment of a nautiloid orthocone and a brachiopod Ryocarhynchus tumidus. The piece is from the late Devonian, Frasnian, Matagne formation near Chimayin Belgium. A goniatite poking out Grinding, chiseling and airscribing... almost done: All cleaned up picture with scale:
  24. Last weekend we went on a field trip with the geology club of Ghent to a quarry in Southern Belgium that we hadn't visited before. The deposits in the quarry were mostly Givetian and Eifelian, but only the Givetian layers were exposed. The rock was a massive limestone, whit from time to time some fossil remains from reef builders. but most of it was impossible to extract. So at the end of the day we had nothing to show for. The only notable finds were calcite cristals, but we gave those away since we don't collect minerals. You can't score every time , Still a fun field trip though, and an impressive sight to see almost vertical sedimentary layers.
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