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Found 150 results

  1. From the album Triassic

    Diplurus newarki (partial coelacanth-bones, fins, and scales) Upper Triassic Lockatong Formation Newark Supergroup Granton Quarry site North Bergen, N.J.
  3. From the album Vertebrates

    Eosemionotus vogeli FRITSCH, 1906 Middle Triassic Oberer Muschelkalk Rüdersdorf near Berlin Germany
  4. Lit.: Liu et al. (2002) ON THE MOST PRIMITIVE AMIID FISH FROM UPPER TRIASSIC OF XINGYI , GUIZHOU. Acta Palaeontologica Sinica , 41 (3) :461 - 463
  5. Hi again, Posting this as it's also very unusual for round these here parts.. Size is 3 inches approx Nearby there are Caloceras Johnstoni Ammonites (a term i picked up from this article here on the forum thank you Seth) Can anyone help out with an id i only have one photo atm All the best in your quests Ben
  6. Today I started my collecting season. It was a successful day I found several Tuvalian Tropites and Jovites(greenish matrix) alas all a little incomplete. But that doesn't matter because I did it more for stratigraphy. At least I found near this location a Julian Block with ammonoids of the austriacum Zone.(reddish matrix) But it was a very hard work. Two broken chisels (of three) make me nervous on half time because my car was far away.
  7. Hi all, Location: West Somerset Coast. Length approx 4 inches. Geology is Blue Lias but i was so far out to sea that it may be late triassic 0_o We've had very low tides here of late which have stripped the mud layer and have been exploring the revealed rock beds found a full bed of devils toenails, alongside modern day oysters.. Also found this, which is not like anything encountered down there before. Sorry in advance for the poor images, the specimen remains in situ.. What interests me is (all of it!) .. the apparent uniformity and the small circular depression in the middle at the bottom. ps the geology in the area was subject to considerable tectonic activity during the period of formation Can anyone help? All the best in your quests Ben
  8. I was wondering if anyone knew of any accessible road cuts or exposures of Newark Group rocks either in Frederick of Montgomery Counties, preferably not on private property. I've been searching around online, but most of the ones I've found out about are now backyards or parking lots.
  9. Calcitized phragmocone.
  10. From the album Triassic

    Diplurus newarki (flattened skull) Upper Triassic Lockatong Formation Newark Supergroup Granton quarry North Bergen, N.J.
  11. From the album Triassic

    Diplurus newarki (partial coelacanth- body and fins) Upper Triassic Lockatong Formation Newark Supergroup Granton quarry North Bergen, N.J.
  12. After Earth’s Worst Mass Extinction, Life Rebounded Rapidly, Fossils Suggest, Trilobites, Nichlos ST. Fleur, New york times, Feb. 16, 2017 New fossil discovery suggests sea life bounced back after the 'Great Dying' faster than thought, PhysOrg, February 16, 2017 The paper is: Brayard, A., Krumenacker, L.J., Botting, J.P., Jenks, J.F., Bylund, K.G., Fara, E., Vennin, E., Olivier, N., Goudemand, N., Saucède, T. and Charbonnier, S., 2017. Unexpected Early Triassic marine ecosystem and the rise of the Modern evolutionary fauna. Science Advances, 3(2), p.e1602159. Yours, Paul H.
  13. Dinocephalosaurus gave live birth?!-This-ancient-reptile-gave-birth-to-live-young-instead-of-laying-eggs
  14. Calcite mold.
  15. With preserved shell.
  16. From the album Vertebrates

    Luoxiongichthys hyperdorsalis Wen et al., 2011 Middle Triassic Anisian, Pelsonian Guanling Formation Daaozi, Luoxiong Luoping County Yunnan China Lit.: W. Wen, Q. Y. Zhang, C. Y. Zhou, J. Y. Huang, Z. Q. Chen and M. J. Benton. 2012. A new genus of basal actinopterygian fish from the Anisian (Middle Triassic) of Luoping, Yunnan Province, Southwest China. Acta Palaeontologica Polonica 57:149-160
  17. Fossils and especially fishes in the Upper Bunter Formation in Germany are quite rare. But occasionally you can find fish gatherings. In the mid '60ties, almost 60 of these Pericentrophorus minimus were found together with nearly 200 of these strange looking Dipteronotus aculeatus (JÖRG, 1969) in a small clay lens, just 10m in diameter and 30cm thick. Lit.: Jörg, E. (1969) Fischfunde im Oberen Buntsandstein (Untertrias) von Karlsruhe-Durlach. Zeitschrift der Deutschen Geologischen Gesellschaft Band 121 (1969), p. 105 - 110. Jörg, E. (1969): Eine Fischfauna aus dem Oberen Buntsandstein Unter-Trias von Karlsruhe-Durlach Norbaden. Beitraege zur Naturkundlichen Forschung in Suedwestdeutschland, 28: 87-102. Gall, JC.; Grauvogel, L.; Lehman, JP.(1974): Faune du Buntsandstein. 5. Les poissons fossiles de la collection Grauvogel - Gall. Annales Paleont (Vert): 602: 127-168
  18. This fish was first described under the name Praesemionotus aculeatus JÖRG, 1969 Reconstruction of D. olgiatii TINTORI, 1990 Lit.: Jörg, E. (1969) Fischfunde im Oberen Buntsandstein (Untertrias) von Karlsruhe-Durlach. Zeitschrift der Deutschen Geologischen Gesellschaft Band 121 (1969), p. 105 - 110. Jörg, E. (1969): Eine Fischfauna aus dem Oberen Buntsandstein Unter-Trias von Karlsruhe-Durlach Norbaden. Beitraege zur Naturkundlichen Forschung in Suedwestdeutschland, 28: 87-102 Gall, JC.; Grauvogel, L.; Lehman, JP.(1974): Faune du Buntsandstein. 5. Les poissons fossiles de la collection Grauvogel - Gall. Annales Paleont (Vert): 602: 127-168 Tintori, A. (1990): DIPTERONOTUS OLGIATII N. SP. (ACTINOPTERYGII, PERLEIDIFORMES) FROM THE KALKSCHIEFERZONE OF CA' DEL FRATE (N. ITALY) (Preliminary note). Atti. Tic. Sc. Terra, 33 (1990), 191-197,2figg., 1 pl.
  19. These are a few of the pdf files (and a few Microsoft Word documents) that I've accumulated in my web browsing. MOST of these are hyperlinked to their source. If you want one that is not hyperlinked or if the link isn't working, e-mail me at and I'll be happy to send it to you. Please note that this list will be updated continuously as I find more available resources. All of these files are freely available on the Internet so there should be no copyright issues. Articles with author names in RED are new additions since January 25, 2017. General Papers in Paleontology Archaean Eon Allwood, A.C., et al. (2009). Controls on development and diversity of Early Archaean stromatolites. PNAS, Vol.106, Number 24. Altermann, W. and J. Kazmierczak (2003). Archaean microfossils: a reappraisal of early life on Earth. Research in Microbiology, 154. Awramik, S.M. (1992). The oldest records of photosynthesis. Photosynthesis Research, 33. Brasier, M., et al. (2006). A fresh look at the fossil evidence for early Archaean cellular life. Phil.Trans.R.Soc.Lond. B, 361. Brasier, M., et al. (2004). Earth's Oldest (~3.5 Ga) Fossils and the 'Early Eden Hypothesis': Questioning the Evidence. Origins of Life and Evolution of the Biosphere, 34. Brocks, J.J., et al. (1999). Archaean Molecular Fossils and the Early Rise of Eukaryotes. Science, Vol.285. Knauth, L.P. (2005). Temperature and salinity history of the Precambrian ocean: implications for the course of microbial evolution. Palaeogeography, Palaeoclimatology, Palaeoecology, 219. Moorbath, S. (2005). Oldest rocks, earliest life, heaviest impacts, and the Hadean-Archaean transition. Applied Geochemistry, 30. Sankaran, A.V. (2002). The controversy over early-Archaean microfossils. Current Science, Vol.83, Number 1. Schopf, J.W. (2006). Fossil evidence of Archaean life. Phil.Trans.R.Soc. B, 361. Schopf, J.W. (1993). Microfossils of the Early Archaean Apex Chert: New Evidence of the Antiquity of Life. Science, Vol.260. Schopf, J.W., et al. (2007). Evidence of Archaean life: Stromatolites and microfossils. Precambrian Research, 158. Sharma, M. and Y. Shukla (2009). The evolution and distribution of life in the Precambrian eon - Global perspective and the Indian record. J.Biosci., 34. Stueken, E.E., D.C. Catling and R. Buick (2012). Contributions to late Archaean sulphur cycling by life on land. Nature Geoscience, published on-line. Waldbauer, J.R., D.K. Newman and R.E. Summons (2011). Microaerobic steroid biosynthesis and the molecular record of Archaean life. PNAS, Vol.108, Number 33. Proterozoic Eon Ediacaran Period Barroso, F.R.G., et al. (2014). First Ediacaran Fauna Occurrence in Northeastern Brazil (Jairabas Basin, ?Ediacaran-Cambrian): Preliminary Results and Regional Correlation. Annals of the Brazilian Academy of Sciences, 86(3). Bottjer, D.J. (2002). 2. Enigmatic Ediacara Fossils: Ancestors or Aliens? In: Exceptional Fossil Preservation. Bottjer, D.J., et al. (eds.), Columbia University Press, New York. Clapham, M.E., G.M. Narbonne and J.G. Gehling (2003). Paleoecology of the oldest known animal communities: Ediacaran assemblages at Mistaken Point, Newfoundland. Paleobiology, 29(4). Droser, M.L. and J.G. Gehling (2015). The advent of animals: The view from the Ediacaran. PNAS, Vol.112, Number 16. Droser, M.L., J.G. Gehling, and S.R. Jensen (2006). Assemblage palaeoecology of the Ediacara biota: The unabridged edition?. Palaeoecology, Palaeoclimatology, Palaeoecology, 232. Dzik, J. The Verdun Syndrome: Simultaneous Origin of Protective Armor and Infaunal Shelters at the Precambrian-Cambrian Transition. Dzik, J. (2003). Anatomical Information Content in the Ediacaran Fossils and Their Possible Zoological Affinities. Integr.Comp.Biol., 43. Gehling, J. (2015). First Fossil Animals - Ediacara Fauna of South Australia. Flinders Ranges Treasures. Glaessner, M.F. and M. Wade (1966). The Late Precambrian Fossils from Ediacara, South Australia. Palaeontology, Vol.9, Part 4. Grazhdankin, D. (2004). Patterns of distribution in the Ediacaran biotas: facies versus biogeography and evolution. Paleobiology, 30(2). Jensen, S. and T. Palacios (2016). The Ediacaran-Cambrian trace fossil record in the Central Iberian Zone, Iberian Peninsula. Comunicacoes Geologicas, 103, Especial 1. Knoll, A.H., et al. (2006). The Ediacaran Period: a new addition to the geologic time scale. Lethaia, Vol.39. Knoll, A.H., et al. (2004). A New Period for the Geologic Time Scale. Science, Vol.305. Liu, A.G. (2011). Reviewing the Ediacaran fossils of the Long Mynd, Shropshire. Proceedings of the Shropshire Geological Society, 16. Meert, J.G., et al. (2010). Glaciation and ~770 Ma Ediacara (?) Fossils from the Lesser Karatau Microcontinent, Kazakhstan. Gondwana Research, xx-xxxx. Narbonne, G.M. (2005). The Ediacara Biota: Neoproterozoic Orgin of Animals and Their Ecosystems. Annu.Rev. Earth Planet.Sci., 33. Narbonne, G.M. (2004). Modular Construction of Early Ediacaran Complex Life Forms. Science, Vol.305. Narbonne, G.M. and J.G. Gehling (2003). Life after snowball: The oldest fossil Ediacaran fossils. Geology, Vol.31, Number 1. O'Brien, S.J. and A.F. King (2004). Ediacaran Fossils from the Bonavista Peninsula (Avalon Zone), Newfoundland: Preliminary Descriptions and Implications for Regional Correlation. Current Research (2004) Newfoundland Department of Mines and Energy, Geological Survey Report 04-1. Peterson, K.J., B. Waggoner and J.W. Hagadorn (2003). A Fungal Analog for Newfoundland Ediacaran Fossils. Integr.Comp.Biol., 43. Peterson, K.J., et al. (2008). The Ediacaran emergence of bilaterians: congruence between the genetic and the geological fossil records. Phil.Trans.R.Soc. B, 363. Retallack, G.J. (2013). Ediacaran life on land. Nature, Vol.493. Retallack, G.J. (1994). Were the Ediacaran fossils lichens? Paleobiology, 20(4). Schiffbauer, J.D., J.W. Huntley and G.R. O'Neil (2016). The Latest Ediacaran Wormworld Fauna: Setting the Ecological Stage for the Cambrian Explosion. GSA Today, Vol.26, Number 11. Seilacher, A., D. Grazhdankin and A. Legouta (2003). Ediacaran biota: The dawn of animal life in the shadow of giant protists. Palaeontological Research, Vol.7, Number 1. Wood, R. and A. Curtis (2015). Extensive metazoan reefs from the Ediacaran Nama Group, Namibia: the rise of benthic suspension feeding. Geobiology, 13. Phanerozoic Eon Paleozoic Era General Paleozoic Brett, C.E. and S.E. Walker (2002). Predators and Predation in Paleozoic Marine Environments. Paleontological Society Papers, Vol.8. Eldredge, N. (1971). The Allopatric Model and Phylogeny in Paleozoic Invertebrates. Evolution, Vol.25, Number 1. Schonlaub, H.-P. and H. Heinisch (1994). The Classic Fossiliferous Palaeozoic Units of the Eastern and Southern Alps. IUGS Subcomm. Silurian Stratigraphy, Field Meeting 1994, Bibl.Geol. B.-A., 30. Smith, M.P., P.C.J. Donoghue and I.J. Sansom (2002). The spatial and temporal diversification of Early Palaeozoic vertebrates. In: Palaeobiogeography and Biodiversity Change: the Ordovician and Mesozoic-Cenozoic Radiations. Crame, J.A. and A.W. Owen (eds.), Geological Society, London, Special Publications, 194. Ye, H., et al. (1996). Late Paleozoic Deformation of Interior North America: The Greater Ancestral Rocky Mountains. AAPG Bulletin, Vol.80, Number 9. Cambrian Period Blair, J.E. and S.B. Hedges (2004). Molecular Clocks Do Not Support the Cambrian Explosion. Molecular Biology and Evolution, Vol.22, Number 3. Davidek, K., et al. (1998). New uppermost Cambrian U-Pb date from Avalonian Wales and age of the Cambrian-Ordovician boundary. Geol.Mag., 135(3). Dzik, J. (2005). Behavioral and anatomical unity of the earliest burrowing animals and the cause of the "Cambrian Explosion". Paleobiology, 31(3). Hagadorn, J.W. Chengjiang: Early Record of the Cambrian Explosion. Hagadorn, J.W. (2002). 4. Burgess Shale: Cambrian Explosion in Full Bloom. Jacobs, D.K., et al. (2005). Terminal addition, the Cambrian radiation and the Phanerozoic evolution of bilaterian form. Evolution & Development, 7:6. Kirschvink, J.L. and T.D. Raub (2003). A methane fuse for the Cambrian explosion: carbon cycles and true polar wander. C.R. Geoscience, 335. Landing, E., et al. (2000). Cambrian-Ordovician boundary age and duration of the lowest Ordovician Tremadoc Series based on U-Pb zircon dates from Avalonian Wales. Geol.Mag., 137(5). Lieberman, B.S. (2008). The Cambrian radiation of bilaterians: Evolutionary origins and palaeontological emergence; earth history change and biotic factors. Palaeogeography, Palaeoclimatology, Palaeoecology, 258. Marshall, C.R. (2006). Explaining the Cambrian "Explosion" of Animals. Annu.Rev. Earth Planet.Sci., 34. Mitchell, R.N., et al. (2015). Was the Cambrian Explosion Both an Effect and an Artifact of True Polar Wander? American Journal of Science, Vol.315. Morris, S.C. (2006). Darwin's dilemma: the realities of the Cambrian 'explosion'. Phil.Trans.R.Soc. B, 361. Morris, S.C. (2000). The Cambrian "explosion": Slow-fuse or megatonnage? PNAS, Vol.97, Number 9. Morris, S.C. (1993). Ediacaran-Like Fossils in Cambrian Burgess Shale-Type Faunas of North America. Palaeontology, Vol.36, Part 3. Peng, S., L.E. Babcock and R.A. Cooper (2012). Chapter 19. The Cambrian Period. In: The Geologic Time Scale 2012. F.M. Gradstein, et al. (eds.), Elsevier B.V. Phoenix, C. (2009). Cellular differentiation as a candidate "new technology" for the Cambrian Explosion. Journal of Evolution and Technology, 20(2). Plotnick, R.E., S.Q. Dornbos and J. Chen (2010). Information landscapes and sensory ecology of the Cambrian Radiation. Paleobiology, 36(2). Shu, D.-G. (2008). Cambrian explosion: Birth of tree of animals. Gondwana Research, 14. Shu, D.-G., et al. (2009). The earliest history of the deuterostomes: the importance of the Chengjiang Fossil-Lagerstatte. Proc.R.Soc. B, published online. Valentine, J.W. (2002). Prelude to the Cambrian Explosion. Annu.Rev. Earth Planet.Sci., 30. Valentine, J.W., et al. (1999). Fossils, molecules and embryos: new perspectives on the Cambrian explosion. Development, 126. von Bloh, W., C. Bounama and S. Franck (1963). Cambrian explosion triggered by geosphere-biosphere feedbacks. Geophysical Research Letters, Vol.30, Number 18. Yang, B. (2014). Cambrian small shelly fossils of South China and their application in biostratigraphy and palaeobiogeography. Ph.D. Dissertation - Freie Universitat Berlin. Zhang, X.-L. and D.-G. Shu (2013). Causes and consequences of the Cambrian explosion. Science China - Earth Sciences, 57(5). Ordovician Period Brocke, R., et al. (1995). First Appearance of Selected Early Ordovician Acritarch Taxa from Peri-Gondwana. In: Ordovician Odyssey: Short Papers for the Seventh International Symposium on the Ordovician System. Cooper, J.D., M.L. Droser and S.C. Finney (eds.), The Pacific Section Society for Sedimentary Geology (SEPM), Fullerton, California, USA. cocks, L.R.M. (1985). The Ordovician-Silurian Boundary. Episodes, Vol.8, Number 2. Connolly, S.R. and A.I. Miller (2002). Global Ordovician faunal transitions in the marine benthos: ultimate causes. Paleobiology, 28(1). Cooper, R.A., G.S. Nowlan and S.H. Williams (2001). Global Stratotype Section and Point for base of the Ordovician System. Episodes, Vol.24, Number 1. Elliot Smith, M., B.S. Singer and T. Simo (2011). A time like our own? Radioisotopic calibration of the Ordovician greenhouse to icehouse transition. Earth and Planetary Science Letters, 311. Farrell, U.C., et al. (2009). Beyond Beecher's Trilobite Bed: Widespread pyritization of soft tissues in the Late Ordovician Taconic foreland basin. Geology, 37. (Thanks to piranha for finding this one!) Finnegan, S., S. Peters and W.W. Fischer (2011). Late Ordovician-Early Silurian Selective Extinction Patterns in Laurentia and Their Relationship to Climate Change. In: Ordovician of the World. Gutierrez-Marco, J.C., I. Rabano and D. Garcia-Bellido (eds.), Cuadernos del Museo Geominero, 14. Fortey, R.A. and L.R.M. cocks (2003). Palaeontological evidence bearing on global Ordovician-Silurian continental reconstructions. Earth-Science Reviews, 61. Havlicek, V. (1989). Climatic changes and development of benthic communities through the Mediterranean Ordovician. Sbor.geol. ved, Geologie 44. Melott, A.L., et al. (2004). Did a gamma-ray burst initiate the late Ordovician mass extinction? International Journal of Astrobiology, 3(1). Miller, A.I. and S.R. Connolly (2001). Substrate affinities of higher taxa and the Ordovician Radiation. Paleobiology, 27(4). Miller, A.I. and S. Mao (1995). Association of orogenic activity with the Ordovician radiation of marine life. Geology, Vol.23, Number 4. Niocaill, C.M., B.A. van der Pluijm and R. Van der Voo (1997). Ordovician paleogeography and the evolution of the Iapetus ocean. Geology, Vol.25, Number 2. Rasmussen, C.M.O. and D.A.T. Harper (2011). Interrogation of distributional data for the End Ordovician crisis interval: where did disaster strike? Geological Journal, published on-line in Wiley Online Library. Silurian Period Calner, M. (2008). Silurian global events - at the tipping point of climate change. In: Mass extinctions. A.M.T. Elewa (ed.), Springer-Verlag, Berlin and Heidelberg. Calner, M. (2005). A Late Silurian extinction event and anachronistic period. Geology, Vol.33, Number 4. Cronin, T.C. (1971). A Study of the Silurian System and a Silurian Reef in West Texas and Southern New Mexico. Masters Thesis - Texas Tech University. Woodcock, N.H. (2000). Chapter 1. Introduction to the Silurian. In: British Silurian Stratigraphy. Palmer, D., et al. (eds.),Geological Conservation Review Series, No.19, Joint Nature Conservation Committee. Devonian Period Anderson, J. (2008). Reconstructing the Aftermath of the Late Devonian Alamo Meteor Impact in the Pahranagat Range, Southeastern Nevada. Masters Thesis - Idaho State University. Brame, R.I. (2001). Revision of the Upper Devonian in the Central-South Appalachian Basin: Biostratigraphy and Lithostratigraphy. Ph.D. Dissertation - Virginia Polytechnic Institute and State University. Brett, C.E. and G.C. Baird (1996). Middle Devonian sedimentary cycles and sequences in the northern Appalachian Basin. Geological Society of America, Special Paper 306. (Thanks to xonenine for finding this one). Elliott, D.K., et al. (2000). Middle and Late Devonian vertebrates of the western Old Red Sandstone Continent. Cour.Forsch.-Inst. Senckenberg, 223. George, D. and A. Blieck (2011). Rise of the Earliest Tetrapods: An Early Devonian Origin from Marine Environment. PLoS ONE, 6(7). (Read on-line or download a copy.) Marynowski, L., M. Rakocinski and M. Zaton (2007). 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  20. Aust is a small village in South Gloucestershire, England, about 10 miles (16 km) north of Bristol and about 28 miles (45 km) south west of Gloucester U.K. It is located on the eastern side of the Severn estuary, close to the eastern end of the Severn Bridge, now part of the M48 motorway. The river bank, which is sometimes flooded due to the high tidal range of the Severn joins Aust Cliff, above the Severn, located about 0.5 miles from the village.