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Found 16 results

  1. looking a gifted pdf in the mouth

    famo_miohiporgon.pdf fairly new,as these things go. Size:< 1 Mb "Statistical methods will better inform analyses that address the continent-wide issue of distinguishing Mesohippus from Miohippus. These two genera are difficult to distinguish(Stirton, 1940), but are considered distinct based on the presence and condition of the articular facet on the third metatarsal, which articulates with the cuboid; larger hypostyles; a longer face(*); and a deeper facial fossa (Prothero and Shubin, 1989; MacFadden,1998). The paleopopulation of John Day Miohippus is not adequate in addressing this issue because there are only five occurrences of Mesohippus in the entire assemblage. Very few specimens from the Turtle Cove assemblage were identified as Mesohippus, and those that were identified as such were determined to be statistically different from the specimens of Miohippus. " (*): for the ones among us who see the funny side of equid systematics
  2. Owner of this Inner Ear Bone?

    Who owns this Inner ear bone? I found this on Amelia Island, Florida. I also found some shark teeth and lots of bone fragments. These fossils come from the dredges that cut into Miocene? formations and probably other younger formations. I imagine it is from a cetacean or other aquatic mammal. It is in GREAT shape, with lots of detail, including the inner cochlea. It is my favorite find of the trip. Let me know what you all think! I am a noob with this younger stuff. Mammals were still a 200 million year old length of time away from my expertise. @Boesse
  3. Hey, first post on this site. I've been volunteering at the Edelman Fossil Park (formerly Inversand) for a few years and am wondering if there are any other sites in the southern part of New Jersey that people know about. I have been to Big Brook, Ramanessin and Shark River on trips with my geology class, but they are farther than I would prefer to go for an average trip, and not worth the drive on a bad day. Particularly looking for sites in the Navesink or other Cretaceous formations. Thanks.
  4. horsing around

    Hip While fig. 2 by itself would be worth the effort of opening this one(cute fish in hiding,and then some),this document also shows alcyonarian spicules,which ARE found in the fossil record. So it's not ONLY neontology.
  5. If you could spare a few minutes then please read the description for the wonderfully apt title for the book below. " Chrissie and the fossil tree " https://depositsmag.com/2017/03/28/chrissie-and-the-fossil-tree/
  6. Pliocene mollusca,USA

    Camp Might have been posted already....If so,all credits to the previous poster
  7. Fossil?

    Picked this up on a river bar north coast California. I read the rocks were formed during the tertiary, Cretaceous, and Jurassic time periods, hope that's useful information. I'll attach a couple more pics
  8. crinoids from the cenozoic,USA

    M&V this might be useful to some of you. State:Oregon
  9. Apogon spinosus Agassiz, 1836

    They are among the most common fish on coral reefs. Lit.: L. Agassiz. 1836. Recherches Sur Les Poissons Fossiles. Tome IV (livr. 6). Imprimerie de Petitpierre, Neuchatel 53-108. Bannikov A.F. 2005: New cardinalfishes (Perciformes, Apogonidae) from the Eocene of Bolca, northern Italy // Studi ric. giacim. terz. Bolca. Verona. 2005. V. XI. P. 119-140. Giuseppe Marramà, Alexandre F. Bannikov, James C. Tyler, Roberto Zorzin, Giorgio Carnevale (2016): Controlled excavations in the Pesciara and Monte Postale sites provide new insights about the palaeoecology and taphonomy of the fish assemblages of the Eocene Bolca Konservat-Lagerstätte, Italy. Palaeogeography, Palaeoclimatology, Palaeoecology 454 (2016) 228–245.
  10. an eocene lagerstatt shark

    Just guessing this hasn't been posted yet.... Enjoy,well illustrated account shark
  11. Identification help Please!

    Hi Folks. Not sure about the tags, best guess This was found at about 7000 feet in the southern Sacramento Mountains of New Mexico. In a different spot I saw similar specimens that looked like it was stuck to a rock, almost like barnacles. Really curious,. and help is appreciated from a complete novice! Chip
  12. Is It Bone

    Another piece from Burleigh county. There is a large hill of ice thrust Fox Hills formation at this site, parked on top of Cannonball formation and Bullion Creek and covered with glacial debris. Fox Hills is a near shore marine formation. The others are terrestrial. The surface texture looks like some of the bones I have seen here, but the inside of the rock seems wrong for bone. It is 31 mm long. 20 mm high, and 22 mm wide. Photos are top, bottom, and side view respectively.
  13. Please Help Id

    Please help ID these items I found years ago on the site of the so called Vienna Basin, near Bratislava, Slovakia. Thanks in advance!
  14. a book review of: "The Fossils of Florissant" by Herbert W. Meyer. 2003. Smithsonian Books. 258 pages. Suggested retail $39.95 USD. For decades many paleontologists have been interested in the worldwide climatic cooling trend that started during the middle of the Eocene Epoch and perhaps ended with the last ice age of the Pleistocene. It was a trend interrupted by warming phases from time to time even among the ice ages. Close attention has been paid to fossil sites that can provide detailed evidence of changing climates and environments at pinpoints in geologic time across that transition. "The Fossils of Florissant" tells the story of a 34 million year-old (Late Eocene) land deposit in Colorado and for the first time documents its formally published plants and animals for a popular science audience. Named for a nearby town, the sediments are collectively known as the Florissant Formation and they have yielded a vast wealth of fossils in terms of both number and diversity. The Florissant Formation captures an evolving ecosystem that existed 30 million years after the last of the dinosaurs and less than 2 million years before another mass extinction would alter the paths of many lineages of organisms. The author, Herbert W. Meyer, is a paleontologist with the United States National Park Service. His specialty is Late Eocene-Early Oligocene plants. In 1995 he started building a database of all the known Florissant fossil specimens - those published in technical articles and numerous others stored in museums around the world. The chapters are unnumbered. After a short introduction, the first two chapters provide the historic and geologic setting for the site, recognizing researchers who have added to the understanding of the deposit over the past 130 years and reviewing the older rocks in the area as well as the events that led to the deposition of the Florissant Formation. The reader learns how a volcano was responsible for the very different yet equally-remarkable preservation of delicate insects and solid tree stumps. In the third chapter Meyer addresses several topics such as how scientists have assembled a reconstruction of the Late Eocene climate and environment at Florissant. He also discusses the unique mix of organisms and the scattered distribution of their modern relatives. To see how Florissant fits within the general Cenozoic cooling trend, Meyer compares it to an older formation in the region and two younger ones. He also looks at how Florissant has supplied valuable information regarding the co-evolution of insects and plants - how they have reacted to each other over millions of years. The fourth chapter reviews the plants of Florissant and they show quite a range - microscopic pollen grains, seeds, leaves, flowers, and giant tree stumps. The fifth chapter summarizes the long list of the known invertebrates, especially an incredible variety of insects, and the sixth covers the few vertebrate fossils found there. A two-page epilogue ends the story with observations on the ever-changing nature of our world. Two appendices offer bonus content for researchers. The first appendix provides a complete listing of all the fossil taxa as they were named as of the book's 2003 publication date. A continually-updated website (nps.gov/flfo) is also mentioned within a brief preview of the listing. The second appendix points out several museums with significant collections of Florissant fossils. Regarding the illustrations, the main goal of this book is not to be an identification guide for Florissant fossils but readers of all levels of experience will appreciate the generous number of excellent photos of many of the studied plants and animals. The captions that accompany the photos provide additional support for the text as well. A few nice maps and diagrams aid in the explanation of the geology of the deposit and site photos allow faraway readers to see the area today. "The Fossils of Florissant" is a fine example of a mainstream paleo-book that focuses on a highly-productive deposit and describes it clearly enough to impress its significance upon a layman with sufficient detail to be useful to students as well. Technical terms are used but they are defined early and employed within sentences of mostly everyday language. Even if a few fine points are missed, some readers might finish this book surprised at the familiarity of the plants and insects of 34 million years ago - a suddenly not-so-distant world halfway between us and the dinosaurs. Jess
  15. Carnivore Skull, Gansu, China

    Hello, this is a carnivore skull from China (I bought it many years ago in Germany). All I know is that it was found in the Gansu area, though I don't know how certain this information is. The overall length is 18 cm. The first pictures are from the left side, the last ones from the right side of the skull. The distal part of the molar on the right side is broken off. I have an idea what it could be, but I'm not sure. (I'll tell about it later, but I don't want to influence brainstorming with this information at the moment). Any suggestions? Thanks, araucaria1959