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Found 14 results

  1. New update from the Cretaceous of Romania :)

    Hey everyone - hope you're all well Wanted to share this (in part cause I'm half Romanian ).. It's a conference poster presenting some recent research findings regarding a productive vertebrate microsite from the Maastrichtian (Late Cretaceous) of Hatzeg Basin (Romania). It reports some new micro-vertebrate material, including crocodile teeth, lil' bones and even eggshell. Voicu, Vasile & Csiki-Sava (2018). The Cretaceous Swamp just gets bigger: new data on the faunal composition of the Pui Swamp microvertebrate bonebed, Maastrichtian of the Haţeg Basin. The Tenth International Zoological Congress of “Grigore Antipa” Museum, 21-24 November 2018, Bucharest, Romania Here's a link to the poster from where you can download a pdf of it : Voicu et al. 2018 Hatzeg poster -Christian
  2. something in the way it moved

    ajslocomeigenshmathemaquantmethodrose93.11Macleod.pdf Norman Macleod and Kenneth D.Rose: Inferring locomotor behavior in Paleogene mammals via eigenshape analysis American Journal of Science,v.293-A,1993 Given that the Paleogene was a time of incipient mammal diversification...
  3. Rahmat_phocarnivmammamarinel_2017_New_Miocene_Monachinae_from_the_Chesapeake_Bay.pdf Vestnik zoologii, 51(3): 221–242, 2017 NEW MIOCENE MONACHINAE FROM THE WESTERN SHORE OF THE CHESAPEAKE BAY (MARYLAND, USA) S. J. Rahmat¹*, I. A. Koretsky¹, J. E. Osborne², A. A. Alford² species decribed:Terranectes,Leptophoca,mostly postcranial material about 2,4 Mb ->urn:lsid:zoobank.org:pub:F727C8DF-EE1F-4A99-8EA5-647859C72E58 outtake:
  4. Dasyurus sp. (Quoll) left maxilla

    Could belong to either Dasyurus viverrinus (Eastern Quoll), D. maculatus (Tiger Quoll) or D. geoffroii (Western Quoll).
  5. Mesozoic ichnodiversity of Africa

    About 3,4 Mb,and,as such things go,fairly new Kleipl3vmam_Juras_cret_P3P.pdf Useful?Innerestin'?
  6. Fossilized Grazing Mammal Tooth?

    Hello! Interning archaeologist, and we don't have fossils on hand for a comparison collection! I came across this partial tooth in a bag of faunal material. Could anyone help me out? I'm not familiar with fossil fauna, but I know this was some sort of grazer. Width is about half an inch. Much appreciated!
  7. a bone

    I found this is southern Poland today. I suppose it is a recent or sub-fossil bone (Pleistocene-Holocene) of a mammal. I'm guessing a proximal tibia of Bovinae. Can you confirm/detail/correct?
  8. Horsing around:the next installment

    some of you might like this NB:large download NB 2: an oldie outtakes,to convince doubters:
  9. mermaids,manatees,marine mammals

    Sirenian feeding trace: anand_16.pdf
  10. Hey all, yesterday my wife (CCNHM collections manager Sarah Boessenecker) and I wrote about some of our recent finds from Folly Beach, SC. Collecting fossils there is quite easy, and if you're there for non-shark teeth, there's essentially no competition since that's all anyone ever looks for there. The fossils of Folly Beach have never been written up, and I'm getting more and more curious about them - particularly fossil marine mammals. If anyone finds marine mammal earbones out there, I'm dying to take a look! We've already gotten a nice donation from Ashby Gale, Edisto SP ranger, of a pygmy sperm whale periotic. Here's the blog post with some images of our recent finds - including my first giant armadillo scute (Holmesina), an Alligator osteoderm, various shark and mammal teeth, and a snake vertebra. I've made a plan to go out to Folly once a week this entire semester, since it's only a 15-20 minute drive from College of Charleston (a very nice escape from campus and teaching) http://blogs.cofc.edu/macebrownmuseum/2017/02/03/friday-fossil-feature-it-would-be-folly-to-pass-this-site-up/
  11. Metapod (?) ID

    Hello there! I need your help. I've collected this two in a late Pleistocene conglomerate. This "quarry" has yielded only rancholabrean fauna, horses, mammoth, bison, etc. But I cannot ID this two metacarpals/metatarsals (?)... Can you help me? *The scalebar is on cm. Lateral view Volar(?) view Palmar(?) view
  12. a book review of: Beasts of Eden: Walking Whales, Dawn Horses, and Other Enigmas of Mammal Evolution by David Rains Wallace. University of California Press. 2004. It is always great to see a new paleontology book at my local bookstore. It is especially intriguing when it concerns a group of organisms other than dinosaurs, the subject of the vast majority of them. "Beasts of Eden" is about the evolution of mammals but with a twist. The author, David Rains Wallace, chose to approach the science through art. He uses two famous murals by Rudolph Zallinger, "The Age of Reptiles" and "The Age of Mammals" (both on display in Yale University's Peabody Museum) as launching points for his discussions of the animals now immortalized in paint and rock. I expected to see full-color reproductions of the murals as a two-page spread in the first chapter or perhaps as a deluxe fold-out in the middle of the book or even just a web address to view them online. However, all the reader gets are sections of "The Age of Mammals" and all but one, the book jacket cover image, are black-and-white images scattered across the chapters. Even if you scanned each section and tried to Photoshop them together in the correct sequence, there would still be transitional slices missing (was he mimicking the fossil record?). Wallace describes the range of color from one end of the mural to another, the spring greens of the Eocene to the autumn golds and reds of the Pleistocene, but the reader sees only the shades of most of the latter. The Zallinger murals are well-known, especially if you grew up in the 60's or 70's as they were reproduced at least in part in many popular science books, but it is asking a lot of the average natural history buff or budding paleontologist have them memorized ahead of time. I would guess that this is not the fault of the author - seems more like a bad editing decision. How do you publish a book that describes a painting without a photo of the painting included? I happened to see the Japanese edition of this book and it did contain a full-color fold-out reproduction of the mural, which of course only compounds the mystery of why the English one was left relatively artless. . Besides the black-and-white mural images, there are relatively few other illustrations. Some chapters contain no photos nor drawings to support the text. This might be tolerated in a technical journal article (hey, professional paleontologists like pictures too) but "Beasts of Eden" is geared to a mainstream readership. When tackling a scientific subject, the text should be broken up with at least occasional, if not frequent, visuals. Still, I must recommend this book because it is well-researched and well-written. Wallace provides a good short course version of mammal evolution, summarizing the contributions of researchers across the past two hundred years (Cuvier, Darwin, Cope, Marsh, Andrews, etc.). He knows how to juggle scientific names and technical terms, blending them into everyday language so that the text never gets too heavy to digest. This is a good book for the amateur mammal fossil collector or general fossil collector with an interest in mammals. Jess
  13. a book review of: The Beginning of the Age of Mammals by Kenneth D. Rose. Johns Hopkins. 2006. $160 retail hardcover. Today, when we think of prehistoric mammals, images of mammoths, wooly rhinos, and Smilodon might come quickly to mind but they date back only to the recent ice ages - mere moments ago in geologic time. If your first thought was of Oligocene oreodonts, entelodonts, or hyaenodonts, then you might have a better idea of how many entire families of mammals had already diverged and died out even before the Oligocene Epoch started 34 million years ago. "The Beginning of the Age of Mammals" reviews the fossil evidence of the known mammal taxa of the Paleocene and Eocene Epochs - essentially the first half of the Cenozoic Era. Chapter 1 defines scientific terms that occur repeatedly throughout the book and sketches the world as it changed during that phase starting with the mass extinction event at the end of the Mesozoic Era. It wiped out the dinosaurs and severely thinned out the mammals and other organisms but also opened up lands of opportunity for the survivors. On page 19, a global view unfolds with maps of the earth from 70 million years ago (Late Cretaceous) and 53 million years ago (Early Eocene). Back in the Late Triassic, the supercontinent Pangaea began rifting apart. Dinosaurs, mammals, and other organisms drifted along with the pieces that slowly transformed into the continents we know today. Seventy million years ago, tyrannosaurs were the king of beasts and shallow seas invaded wide areas now high and dry so the land masses appear fragmented to modern eyes. By 53 million years ago, the dinosaurs were gone and the map is more familiar but the continents still appear misdrawn, connected or broken in the wrong places. Chapter 2 supplies background on mammalian anatomy explaining adaptations in teeth and bones within different orders and how behavior can be deduced from the shapes of those elements. Chapter 3 briefly examines Paleozoic-Early Mesozoic ancestral groups and Chapter 4 highlights the improving Mesozoic fossil record focusing primarily on groups that lived only during that era. Chapter 5 is devoted to marsupials and their Cretaceous relatives. Chapters 6 through 15 cover placental mammals with sometimes debatable though convenient groupings. Rose explains his choices and points out relationships widely-recognized and those that remain controversial. Chapter 16 summarizes the previous chapters and also outlines the Paleocene and Eocene mammal fossil record of the various continents. During the "hothouse" Eocene, even Antarctica had land mammals. This book is geared to vertebrate paleontology students at the undergraduate and graduate levels so it is very technical. I would not recommend it to someone only mildly interested in the subject. However, serious mammal fossil collectors are probably up to the challenge of the detailed text which is supported by numerous nice illustrations (even a cool set of color plates showing fossils and artwork). While the emphasis is on Paleocene-Eocene forms, Fossil Forum members specializing in Oligocene mammals will find value in this book since many Eocene groups survived at least into the Early Oligocene and some of those forms are discussed as well. I would also recommend it to the fossil collector building a personal library of key paleontological references. According to Rose, before the release of his book, the only volume like it was "Mammal Evolution: An Illustrated Guide" (Savage and Long, 1986). True to the subtitle, its pages were visually appealing with abundant restorations of extinct forms so it became popular with fossil collectors too. "The Beginning of the Age of Mammals" is valuable not just for its coverage of Paleocene-Eocene taxa. Those groups do not begin to be discussed until Chapter 5. The previous 71 pages serve as excellent background into the definition, origin, and diversification of mammals. The reader learns that drawing the distinction between a Late Triassic mammal and a therapsid relative takes more than just the isolated teeth and jaw fragments usually found. The reader also sees that the three current branches (monotremes, marsupials, and placentals) are all that remains of a much more varied family tree clipped by low-level extinctions after the Triassic and severely trimmed by the mass extinction that ended the Cretaceous. It seems Rose has been preparing to assemble this work his whole career. A scan of the cited literature reveals his 1972 description of a new tillodont followed by articles on primates, artiodactyls, perissodactyls, plagiomenids, and other groups along with a few Paleocene and Eocene faunal reviews. He also co-edited a 2005 volume on the evolution of placental mammals. As an added note, during my reading, I noticed Rose cited a work by the Fossil Forum's own JPC. Unfortunately, this title is not cheap ($160 retail hardcover without a paperback edition; still almost $120 on amazon.com). Last year, I found it used for about one-third the price. A $50-75 hardback is still pricey, especially these days, but the potential buyer should weigh cost and value. Among the various $100-300 paleontology references, this one is definitely worth its retail price and a great bargain if you find it for less. While a few Paleocene-Eocene forms have gained some notoriety, such the cat-sized horses of the Early Eocene and the rhino-like titanotheres of the Late Eocene, the rest of them remain unknown to the public. Various Paleocene groups did resemble modern mammals but were unrelated to them. Paleocene primates looked like rodents at a time before there were rodents. Meanwhile, the earliest members of some of today's groups were not so recognizable. Eocene dogs were built like mongooses; Late Eocene bears could pass for dogs and Middle Eocene whales still had feet. This book puts names to all those otherwise obscure beasts that bridged the ancient and the modern. Jess
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