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Found 111 results

  1. Help me ID this

    I found this near a river in La Matea (Jaen, Spain) the zone is predominantly mesozoic and the rock is limestone. I'm not sure if it's a fossil or some kind of formation. I have two similar specimen, is like a cylinder that goes from one side to the other of the rock, in one of the images I've partially removed some of the rock. Thank you.
  2. Found today on the English Yorkshire Coast ( Runswick bay). At first i thought it was maybe layers of a type of fossilised plant but I cant find anything to match the markings on this. Completely baffled by it. Looks very cool though. ID help, please?
  3. Egg? Dino park

    Found on flat ground by itself in Dinosaur Park, southern Alberta. Approximately 5 cm long, 3 wide, and 1.5 thick. I’m really curious as to what this one is. Ask if you need more details
  4. Found with Gryphaea ID Help

    Hi- I found this today at Lake Benbrook, Tarrant County Texas. I was looking for newly exposed large ammonoids. I believe that it is possibly from the Woodbine formation because I also found some nice Gryphaea- looks like maybe Parasmilia but it also looks like has a shell- 3.5 inches x 1 inch. Your expert help appreciated- Thanks-
  5. Dinosaur relatives

    Hey, a question I have always wanted to ask is about dinosaur relatives, more specifically what do we mean when we refer to two dinosaurs as cousins ? Do we mean that a kind of dinosaur(for example baryonyx ) lived in an environment but at one point a group got separated by land and this group got to live in another part of the world so that group resulted in adapting to another environment and becoming a different dinosaur (for example spinosaurus ) or do we mean that a dinosaur is an ancestor of another dinosaur (again for example baryonyx evolved into spinosaurus)? This may seem like a really basic question to ask but I haven't really been able to find an answer so if someone answered it would be great.
  6. I watched a show on PBS last night, "When Whales Walked: Journeys in Deep Time." I just happened to notice it on the guide about 45 minutes before it was on. It is actually about more than the evolution of whales, the group having four-footed Early Eocene ancestors. There is a long segment roughly twenty minutes long each on crocodilians, birds, whales, and elephants. I thought it was a good show overall with interviews of researchers I know from their technical articles ( Hans-Dieter Sues, Philip Gingerich, Emmanel Gheerbrant, Christian de Muizon). However, each segment was also a little light on content for the topic and one was especially unclear. The one on birds made it appear that Deinonychus was an ancestor of later birds. They should have showed a chart showing when it lived in the Cretaceous with Archaeopteryx and the Liaoning birds millions of years before. There was a quick view of a family tree that seemed to illustrate that but it went by in a second or two. The segment on whales showed a lot of footage of modern whales and some great background on the "first whale," Pakicetus, but it didn't show any of the whales described in the past twenty years. It just mentioned that there had been recent discoveries. I thought there should have been at least a quick look at Ambulocetus and a few of the increasingly more marine-adapted forms that lived before Basilosaurus. They pretty much jumped from Pakicetus to Basilosaurus to the divergence of toothed and baleen whales. I think they could have spent the two hours just on the whales just as the title of the show led me to believe. I liked the segment on elephants because just as I was expecting the show to skip the earliest known members of the group, they go to Morocco and then talk to Emmanuel Gheerbrant who described Phosphatherium, the first probiscidean, which is known from the same early Eocene phosphate layer as a lot of the shark teeth we see at shows are from. Other extinct forms were descussed as well. Here's a link that takes to an online notice and website: https://www.pbs.org/show/when-whales-walked-journeys-deep-time/ Jess
  7. fossil pregnant with implications

    LINK A GRAVID FOSSIL TURTLE FROM THE EARLY CRETACEOUS REVEALS A DIFFERENT EGG DEVELOPMENT STRATEGY TO THAT OF EXTANT MARINE TURTLES EDWIN-ALBERTO CADENA , MARY L. PARRA-RUGE, JUAN DE D. PARRA-RUGE and SANTIAGO PADILLA-BERNAL [Palaeontology, 2018, pp. 1–13] (slightly less than 6 MB a more popular capsule description of the find 2015-09-oldest-fossil-sea-turtle.pdf @MiseriKing @Tidgy's Dad
  8. Identifying layers of sediment

    Need some help identifying layers of fossil sediment along a steep cliff side, having a hard time distinguishing time zones. Thank you!
  9. until
    NORTH COAST FOSSIL CLUB APRIL MEETING Our main speaker will be Nathan Smith who is a volunteer in the Vertebrate Paleontology Department at the Cleveland Museum of Natural History. The title of his talk will be "The Mesozoic Extinction". For this month's Collector's Corner you are invited to bring in your Mesozoic/Cretaceous Fossils for showing others and sharing information. The Public is Welcome!!!
  10. ID required please

    I found these two embedded in the same bit of shale on the yorkshire coastline near Kettleness. Im a complete beginner so sorry if they are just rocks. they are both a similar size, 6cm by 4cm (LxW)
  11. What is this?

    Hi everyone. This is my first request for an ID, I'm a complete newbie with limited knowledge but very eager to learn. This might be nothing, but I thought it was strange. Found loose on a Yorkshire beach (UK) unsure whether it was washed up by the sea or came away in a cliff fall. Area known for ammonites/Mesazoic/Jurassic finds. Measures approx 9cm in length, 18 cm circumference.
  12. microbial Utah

    Microbial deposits in the aftermath of the end-Permian mass extinction: A diverging case from the Mineral Mountains(Utah, USA) EMMANUELLE VENNIN, NICOLAS OLIVIER, ARNAUD BRAYARD, IVAN BOUR, CHRISTOPHE THOMAZO, GILLES ESCARGUEL, EMMANUEL FARA, KEVIN G. BYLUND, JAMES F. JENKS, DANIEL A. STEPHEN and RICHARD HOFMANN Sedimentology (2015)62, 753–792 NB 170 MB One more P/Tr article with "aftermath" Any more and I'll have conniptions And now for the serious part:this is seriously good. ..really Yes it's large,in both memory space and number of pages,but the subject merits exhaustive treatment. 11 out of ten for this one Mathematically impossible,you say? Hah!
  13. Fuchs_et_al_2015_PZ.pdf @TqB @belemniten @PFOOLEY @DPS Ammonite and perhaps a host of others? The list of authors read like a who's who of "paleomalacology" /RECOMMENDED!!!!!! ___________________________________________________________________________ A nearly complete respiratory, circulatory, and excretory system preserved in small Late Cretaceous octopods (Cephalopoda) from Lebanon Dirk Fuchs • Philipp R. Wilby • Sigurd von Boletzky • Pierre Abi-Saad • Helmut Keupp • Yasuhiro Iba Palaontol Z. DOI 10.1007/s12542-015-0256-6 ____________________________________________________________________________________________________
  14. Triassic cephalopoda

    GUE SPATHIAN (LOWER TRIASSIC) AMMONOIDS FROM WESTERN USA (IDAHO, CALIFORNIA, UTAH AND NEVADA) Jean Guex Alexandre Hungerbühler James F. Jenks Luis O’Dogherty Viorel Atudorei David G. Taylor Hugo Bucher Annachiara Bartolini Mémoire de Géologie (Lausanne), n°49, 2010 about 16 MB the contributing authors are dyed-in-the-wool experts on the Triassic @andreas
  15. Who are you calling dimorphic

    Parent_1997-Geobios.pdf Ontogeny and Sexual dimorphism of Eurycephalites gottschei(Tornquist)(Ammonoidea) of the Andean Lower Callovian(Argentine-Chile) Geobios 30-3,30-6-1997 recommended? You bet!! Avoid if allergic to quantitative analytic data treatment
  16. Cretaceous crab pieces

    I believe these are parts from a crab I found in NJ, from what I see I think the large one is from the shoulder or bicep from a crab, is it possible to identify anything else about the animal?this side is fairly flat with the bottom edge protruding out.this side is round but in pretty bad condition.side view of the piece.
  17. Icthyosaur drawings

    Tried my hand at two different styles of drawing an icthyosaur. Don't exactly remember the species I was going for but I remember that it and the fish are both from the Jurassic. this one is a bit more realistic. and this is a cartoony representation.
  18. Beetle in Amber Tells About Mesozoic Land Shifts

    Tiny Beetle in Amber: Clues to Landmass Shifts This news is a little old ( I believe it is from October 30) but still very interesting.
  19. Chinese pachypleurosaur, some old news

    link Vertebrata Palasiatica,vol.2,2-3,1958 On The New Pachypleurosauroidea from Keichow, South-West China. YOUNG CHUNG-CHIEN. Pages 69-82 size:about 7,2 Mb Photographs of specimen slightly dark(perhaps too little contrast) pectoral girdle and cranial anatomy figured in two line drawings
  20. volant reptiles,rumbling stomachs

    Bestwick_et_al-2018-Biological_Reviews.pdf Biol. Rev.(2018),93, pp. 2021 – 2048.2021doi: 10.1111/brv.12431Pterosaur dietary hypotheses: a review of ideas and approaches Jordan Bestwick, David M. Unwin, Richard J. Butler, Donald M. Hendersonand Mark A. Purnell less than 1,5 Mb
  21. avian ethology:nesting behaviour

    dykescolarocoiserrnal.pone.0061030.PDF (about 2,7 MB) Mariela S.Fernandes, Rodolfo S.Garcia, Lucas Fiorelli, Alejandro Scolaro, Rodrigo B.Salvador, Carlos N.Cotaro , Gary W.Kaiser, Gareth Dyke: A large accumulation of Avian eggs from the late Cretaceous of Patagonia(Argentina)reveals a novel nesting strategy in Mesozoic birds Plos ONE 8 (4) e61030.doi 10371/journal.pone 0061030 https://doi.org/10.1371/journal.pone.0061030
  22. predatory fish investigation

    Among the first things I ever posted here were miscellanous items on Saurichthys. Here's one more: bio.014720.full.pdf(about 1,8 Mb) The invisible fish: hydrodynamic constraints for predator-preyinteraction in fossil fish Saurichthys compared to recent actinopterygians Ilja Kogan1,2,*, Steffen Pacholak3,4,*, Martin Licht1,‡, Jö rg W. Schneider1,2, Christoph Brücker3 and Sebastian Brandt5 an outtake:
  23. old beetles record

    this being: Whirling in the late Permian: ancestral Gyrinidae show early radiation of beetles before Permian-Triassic mass extinction Evgeny V. Yan,1,2 Rolf G. Beutel,1 and John F. Lawrence3 BMC Evol Biol. 2018; 18: 33. Published online 2018 Mar 16. doi: 10.1186/s12862-018-1139-8 1,63 MB yanbeutelcoleopterentomollagersts12869-8.pdf
  24. Eusuchian taphonomy

    isisfordia Cite this article: Syme CE, Salisbury SW. 2018 Taphonomy of Isisfordia duncani specimens from the Lower Cretaceous (upper Albian) portion of the Winton Formation, Isisford, central-west Queensland. R. Soc. open sci. 5: 171651. http://dx.doi.org/10.1098/rsos.171651 Recommended!
  25. Osteology of Ouranosaurus nigerensis

    This takes some time to download!!!!* 114 Mb,approximately Cite this as Bertozzo F, Dalla Vecchia FM, Fabbri M. (2017) The Venice specimen of Ouranosaurus nigeriensis (Dinosauria, Ornithopoda) PeerJ 5:e3403https://doi.org/10.7717/peerj.3403 As Taquet didn't formally describe the species, this is a significant advance in our knowledge of the species. Note: This can be called a monograph due to its length. Audience: all dinosaur lovers, but please note that this IS a "technical" paper. Pretty good depiction of pelvic parts and manus. Cladogram warning! EDIT: I don't know my exact connection speed, but don't be surprised if it takes a couple of minutes.
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