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Found 442 results

  1. Trip to the Triassic

    Last weekend I went to the south, to the area of Chrzanów - I have tried before twice to get to the Płaza quarry, but it is impossible during the week, as it is an operating facility, so I needed to visit it on the weekend The weather was beautiful - it felt almost like spring. Looking at the pictures you would not tell it's the middle of winter here:
  2. Hello everybody! After a week of snow, saw sun for three days and decided its a good idea to visit a honey spot. Sadly, the sun was deceiving, the snow has not yet melted. Actually it was about 20-50cm. This location is very special to me because: i) Its 30mins from home, which means I can visit again and again. ii) According to the scientific researches I managed to gather, it has an extreme variety of fossils and exposed outcrops, dating from the WHOLE Mesozoic era. iii) Furthermore, all researches state that it bears excellently preserved fossils of ammonites, belemnites and brachipods. Of the last two, I do not have even purchased samples. PBDB has nothing published for this place. There are places around with some information and findings but it is not the perfect places. I managed to put together 5 different researches so I have narrowed down my possible locations. The last one, which actually gave away the location with coordinates is here: With a first glance I do not see much exposed outcrops, but the existance of a creek is a good sign to have caused erosion. Click here for the location through google earth. My other lead comes again from the same professor. The previous research was isotopic while this one studies only the distribution of ammonites and bivalves during the Toarcian in that specific section. Through this map, I conclude that following the small river you should see Aalenian to Callovian, on the small hill NNW of the river is the upper part of the Jurassic and the beginning of Cretaceous. East and following the course of that small river, you may be able to see exposures of Triassic. Last picture shows what I have put together and my possible places I will visit. I) The sections marked with yellow next to the main road cutting represent this description: It is an exposure of the Ozirovo Formation which is composed mainly of Fe-ooidal limestones and rare ferruginized marls, having a total thickness of 3.25 m. I will not check those places as I would prefer to avoid curious eyes and questions like what are you doing here. II) Marker with coordinates after Dr. Metodiev and his isotopic research on belemnites. On google Earth doesnt look promising, hope I am proven wrong. III) With light blue I depict the area which seems most interesting to me. IV) Orange triangle is possible location for Triassic exposure. V) Purple is the road I followed today. Line with car and dots on foot. I spotted some rocks, definately CaCO3. No sign of fossils. Almost everything was covered with snow. I will visit it again next week, weather permitting. Meanwhile, I would like to hear your comments concerning the locations I mark. What other spot looks good to check? Do I miss something? Findings, pictures and the rest will continue on the same topic of course. Thank you everyone for reading until here, sorry for the long post! ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Sources: GEOLOGICA BALCANICA, 36. 3—4, Sofia, Decemb. 2007, p. 91—96. Documentation and correlation of transgressive-regressive cycles from three Lower-Middle Jurassic successions of the Western Balkan Mts, Bulgaria Elena Koleva-Rekalova, Lubomir Metodiev, Daria Ivanova Geological Institute, Sofia Biostratigrapy of the Toarcian in the section at the village of Beledie Han (Western Balkan Mts), Bulgaria L. Metodiev, D. Ivanova, E. Koleva-Rekalova Trans-border (south-eastern Serbia/south-western Bulgaria) correlations of the Jurassic sediments: the Getic and Supra-Getic units PLATON TCHOUMATCHENCO , DRAGOMAN RABRENOVIC , VLADAN RADULOVIC , NENAD MALESHEVIC & BARBARA RADULOVIC Geological Institute, Bulgarian Academy of Sciences Stable isotope records (d18O and d13C) of Lower-Middle Jurassic belemnites from the Western Balkan mountains (Bulgaria): Palaeoenvironmental application Lubomir Metodiev *, Elena Koleva-Rekalova
  3. This paper came out today. For those who saw my post of the palm leaf in both Alaska and the Smithsonian... this explains what I was doing in Fairbanks. I was up there for a total of five weeks stretched out over five winters. Yes, Winter in Fairbanks. I was hoping to see minus 40 degrees, but it never quite made it. I am "a fossil preparation specialist worked in two-week stints over the course of several years to get the fossil cleaned up and ready for study" https://news.uaf.edu/new-thalattosaur-species-discovered-in-southeast-alaska/?fbclid=IwAR0f-Lg4vDgE5MVuxP7wOL1V_CV3v142uy7Y9slvyNdH-xfE0t0AiZpp5Uw There is a paragraph about it Kirk Johnson and Ray Troll's latest book... "Cruising the Fossil Coastline"
  4. Footprints and tail drag

    Turned this approx 4 sq. ft. rock over today. Lots of footprints and a nice tail drag.
  5. Another rock of chirotherium

    A nice set of chirotherium.
  6. Rock full of tiny prints

    Turned over this large rock this morning. Covered in small (1-2”) three toed footprints.
  7. Unknown footprints

    Don’t know what this print is. Doesn’t look like the chirotherium. Found it today.
  8. Sauropterygia bones

    From the album Triassic vertebrate fossils

    A 13 cm long stone with three nothosaur vertebrae and another unidentified small bone piece from a triassic "Bonebed" in a quarry in southern Germany (Baden-Württemberg). The verts are very small, especially the one beside the bone fragment. The bigger ones are about 2 cm long. Detailed pictures:
  9. New chirotherium

    Finally some nice weather to do some digging. Couple more single prints. Got a crane to start moving the big slabs with multiple prints!
  10. Hello everyone! I found this keichousaurus listed on online. It appears quite legitimate. Could you please look at the photos provided and let me know whether you think it is a legitimate specimen? Many thanks.
  11. Nothosaur tooth

    From the album Triassic vertebrate fossils

    A nicely preserved 3 cm long Nothosaur tooth from a triassic "Bonebed" from a quarry in southern Germany (Baden-Württemberg).
  12. Sauropterygia bones

    From the album Triassic vertebrate fossils

    A 20 cm long stone with a couple of bones from a triassic "Bonebed" in a quarry in southern Germany (Baden-Württemberg). On the plate are two vertebrae, one rib and two unidentified bones. The quality of the bones is partly not good (especially the vert in the middle is bad preserved). The prep was not too difficult but it took quite a long time to finish it. Some more pictures:
  13. Hybodus fin spine

    From the album Triassic vertebrate fossils

    This is a 12 cm long Hybodus fin spine from a triassic "Bonebed" in a quarry in southern Germany (Baden-Württemberg). Its until now my best preserved fin spine from there. Some more pictures:
  14. Fauna???? ID request

    Good morning forum. Can anyone tell me if this fossil is fauna or ????? It's from the early Triassic, lower Muschelkalk, Libiaz, Poland. Matrix is 70 x 50cm
  15. Hi, In 2013 I bought a keichosaurus fossil from online , and since then I haven't thought much of it, after me and my mum and dad moved to a new apartment the fossil got somewhat forgotten, but today I tried inspecting it. I read some of the treads here but even with this I can't decide if mine is a real or a fake one. From what I have gathered there aren't many outright fakes, but more so real ones that are enhanced. I will be glad to hear your opinion on the pictures (sorry for the poor quality but I had to use my phone). Any response will be very much appreciated. Best regards to everybody.
  16. Dear members, It’s time for another “review” of a palaeontological site I had the pleasure to excavate in. However this one is quite different from the others I already posted about: those were outcrops in Ohio, USA, where you could collect fossils freely or by signing a disclaimer. This time, instead, I had to operate alongside the institution that holds the concession to excavate and study the material. For fifteen days in August 2019 I excavated in the Late Triassic beds of Krasiejów, southwestern Poland, alongside the Institute of Paleobiology of the Polish Academy of Sciences, based in Warsaw. It is not the only “official” dig that I took part in, but, alas, the only I’m allowed to post pictures of! Krasiejów’s site has been exploited for the extraction of clay since the beginning of the XX century until 2002; the first scientific excavations took place in 1993 and the first publication was issued in 2000. Since then dozens of students and palaeontologists from all over the world have visited the site. The assemblage dates to the Late Triassic, but a more precise dating (Carnian or Ladinian) has not been assessed yet. Back then Poland was situated much southern on the Northern hemisphere, under subtropical conditions. Rivers formed extensive backwaters and swamps, separating islands from the dry mainland. Occasionally, intensive rainfall led to flooding that washed out skeletal remains and transported them to their final site of burial. Bones were then scattered and damaged, but rapid deposition led to their preservation. Krasiejów can therefore be classified as a Konzentrat-Lagerstätte. A section of the Bonebed is open to the public and it’s a truly mind-blowing sight! Dozens of skulls, mandibles and isolated bones of amphibians (later I’ll tell you exactly of which species) can be seen lying there since 220 million years ago. I pictured a small section of the bonebed, circling in yellow the skulls and in red the mandibles. The lithotypes that make up the outcrop are red claystone and grey pelites. Tools needed for excavating are geological hammers, pickaxes and shovels. That's what an usual day on the site looked like: The flora and invertebrate assemblage is not very rich: conifer cone scales and branches, freshwater bivalves and small arthropds. Fish were scarce and poorly preserved. In the case of lungfish, instead, toothplates were common: The most interesting aspect is represented by tetrapod bones: they are countless, even in my wildest dreams I could not have hoped of finding so many as I have! Metoposaurus was a temnospondyl amphibian characterized by a dorsoventrally flattened body up to 2 m (6,5 ft) long. Its bones are the most common remains in Krasiejów. It probably lived at the bottom of shallow-water reservoirs, as ambush predator hunting for fish and other small vertebrates. For air it had to resurface regularly, but it may not have been able to enter land. The bones on the bonebed belonged to it. Here you can see a close up of a mandible ramus from two perspectives, two ribs, a vertebra and interclavicle. Ciclotosaur, another temnospondyl amphibian, hunted on both water and land. It’s not easy to differentiate its bones from those of Metoposaurus on the field. Paleorhinus was a phytosaur, a 3,5 m (11,5 ft) long semi-acquatic predator superficially resembling a gavial. I have found a couple of teeth that belonged to it. Stagonolepis was a herbivorous, 3,5m long archosaur with a heavily armoured body. Its skull was small and equipped with conical teeth and a horny beak on the mandible and a fleshy snout on the upper jaw. It may have used them to dig food out of the ground. Osteoderms and teeth (not pictured) were rather common. We also found a femur of Stagonolepis: And a bone of the hind limb, that in order to be extracted and protected was covered with a field jacket of gypsum: Finally, a rauisuchian and dinosaur species make up the assemblage, but we didn’t find any of their bones since they are extremely rare. If you'd like to know more about Krasiejów, I suggest you to read these two papers: - Gruntmejer, K., Konietzko-Meier, D., & Bodzioch, A. (2015). The Triassic world of Krasiejów. FIELD GUIDE, 17. - Dzik, J. and Sulej, T. 2007. A review of the early Late Triassic Krasiejów biota from Silesia, Poland. Palaeontologia Polonica 64, 3–27. Well, that’s it! This excavation was an incredible experience for me, I met some great people and found amazing fossils! I hope you enjoyed and leave a comment if you have any question for me!! Fabio
  17. Whiteia woodwardi

    From the album Fossildude's Purchased/Gift Fossils

    Whiteia woodwardi Lower Triassic, Madagascar Coelacanth. This is a recent bargain I was able to scoop up. Even though it is not complete, it still has great details. It will set off my New Jersey Coelacanths nicely.

    © 2020 T. Jones

  18. Ichthyosaur Collection

    Hi Here’s another fossil I found over Christmas. These bones are pretty rare and are the articulated ischium and pubis from an ichthyosaur. No prep involved apart from cutting the block to size and applying a thin coat of varnish to increase the contrast between the bone and matrix. The fossil is from the Hettangian of Penarth. The block before:
  19. Hello TFF Members, I'm looking for a specimen of the Triassic plant - Dinophyton spinosus (not exactly the one from the picture of course, I just attached it to make the post more attractive) and I was wondering if there is anyone here willing to exchange it for some other plant material or other fossils. Regards, Kasia
  20. From the album fish

    Parasemionotus labordei Priem, 1924 Lower Triassic Dienerian Ambilobe Madagascar
  21. From the album fish

    Pteronisculus cicatrosus WHITE, 1933 Triassic Sakamena Formation Ambilobe Antsiranana Province Diana Region Madagascar
  22. Hi, Does anyone have a copy of the paper that I could look at: Skawiński, T.; Ziegler, M.; Czepiński, Ł.; Szermański, M.; Tałanda, M.; Surmik, D. & Niedźwiedzki, G. (2017). A re-evaluation of the historical 'dinosaur' remains from the Middle-Upper Triassic of Poland. Historical Biology. 27 (4): 442–472. doi:10.1080/08912963.2016.1188385. The paper by Skawinski et al. is quite remarkable for rejecting the argument by Rauhut and Hungerbuhler (2000) that Velocipes guerichi is too indeterminate to be placed beyond Vertebrata, and while it agrees with Wild (1973) in classifying Thecodontosaurus primus as non-dinosaurian, it disagrees with Wild's synonymy of primus with Protanystropheus antiquus.
  23. 10 foot long Triassic relative of herrerasaurus named gnathovorex discovered in Brazil https://www.nationalgeographic.com/science/2019/12/one-of-worlds-oldest-carnivorous-dinosaurs-found-brazil/
  24. ID on fossil tracks

    I'm rather embarrassed but i need some ID help on something I purchased a few years ago. My chagrin is because I usually am very good at labeling purchases or at least taking a pic of a label if the seller does not provide one. I have this piece of shale that has some fossil claw or fin marks on it that I recall are swimming traces. The shale comes from the Triassic or Jurassic of the Newark Supergroup in Pennsylvania. Any help is appreciated!
  25. From the album fish

    Bobasatrania mahavavica Triassic Ambilobe Madagascar
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