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Found 24 results

  1. This coprolite is from a marine creature that swam in the Jurassic seas that once covered this parts of England. The dark inclusions that can be seen on the surface are cephalopod hooks. In April 2016, the University of Minnesota X-ray Computed Tomography Lab scanned the specimen using a X5000 high resolution microCT system with a twin head 225 kV x-ray source and a Dexela area detector (3073 x 3889 pixels). Many of the images shown here are of individual 3D elements/features within the coprolite that were separated/isolated using Blob3D. The taxonomic classification given is for the inclusions, not the coprolite. Aside from the hooks, it is hard to definitively identify the inclusions without damage to the coprolite. The following is a list of inclusions: 241 hooks of various sizes that are at least 75% intact. 200+ plate-like fragments of various sizes. 19 ellipsoidal structures, possibly forams or parasite eggs. 2 unidentified long, straight conical structures joined at wide end (A) 1 long rod-like structure with a bulbous end (B) 1 unidentified mass that looks like it was the attachment point for 5 rod-like structures (C) 1 1ong cylindrical (rod) structure that tapers in the center. The center density is much lower than the outer shell (D) 1 irregular structure that looks I originally thought might be an ink sack or buccal mass, but the size is wrong. Experta think it is more likely foraminifera (E) 1 irregular structure, possibly a statolith (F) Acknowledgements: Thank you to Neale Monks and Christian Klug for providing input.
  2. Dear microfossil hunting colleagues, in a sq-inch on the seafloor and the water column above dozens or thousands of microorganisms usually live and lived. In fossil rocks and samples microfossils if present do not come alone but as an assemblage of different species and many specimens. These assemblages represent the environment in which the specimens lived. Besides of the micro-organisms living on the sea-ground there maybe many planktonic ones living in the water column above. When they die, their shell/remnants sink to the seafloor and intermingle with the remnants of those, who lived on the bottom. Please find in the image an example of my work on a Miocene sample from Quelfes, Portugal. It is just a start as many more species can be found in this material. Nonetheless is already tells the story of a nearshore Miocene and nutrient rich environment. I strongly recommend you to work on your samples likewise. WORK ON THE ASSEMBLAGE ! It is the true fossil record. Picking just the big, nice looking specimens is a man-made fabricate, which gives a misleading idea about, what is really there. Respect nature as it is and appears. Get a microcell with 10 or more holes and put the assemblage sorted by morphology in it. Then you have a true picture of the assemblage, environment, and geological time of the material. Have fun with your assemblages ! Foram-Mike
  3. Hi, having a bit of trouble identifying this microfossil. It was found in a marl formation of late Bartonian in age in the southern Spanish Pyrenees (the Oliana Anticline). The marl is rich in nummlitoid formainifera, however, this does not appear like the others. It could possibly be the cross section through an echinoderm spine?? Any suggests are much appreciated! (photo taken with x10 magnification)
  4. I have found quite a number of these ranging from 1-4 mm or so. They are from the Kansas City Group of the Pennsylvanian Subsystem. I don't know the name of the strata, but for the locals, these come from the road cut about 1/4 mile west of I-49 on Route 150 near Belton, MO. I have found them in large (three to six inch) nodules. I will appreciate any help you can give me with identification? Russ
  5. In this entry I would like to show two of the commonest Foraminifera from my sample of the Florena Shale. The most common forams by far are the fusulinids, but as these are not identifiable without thin sections, they will have to wait until I'm equipped to deal with them. Excepting the fusulinids, the commonest foram is Globivalvulina bulloides (Brady, 1876): This taxon has an enrolled biserial structure, and in spiral view it typically exhibits one large and two smaller chambers, the sutures between them forming a rough T-shape. In the umbilical view the triangular projection into the umbilical area is characteristic. The many specimens show several different growth stages, but all are easily identifiable. The second most common non-fusulinid is Tetrataxis corona Cushman and Waters, 1928: This taxon is looks much like a Chinese straw hat: a very low cone, with a concave umbilical area. Chambers are added marginally, typically four per whorl, hence the generic name. Specimens vary greatly in size, representing various growth stages. The larger ones very frequently exhibit chipped or broken edges, probably due to postmortem damage.
  6. I have about 8 acres of coastal estuary in northern Nova Scotia, and decided to take a look at the estuary sediments to see if I could find any fossils. Yes, they are there! Microfossils and lots of other life including ostracoda. Using my hand lens I could see them very well. Will invest at sometime in a microscope and maybe I will see even more. Hand lens for scale for foraminifera and ostracod scale is in millimeters.
  7. In our Jurassic samples from the Algarve, Portugal we found this pyritized Spirillina tenuissima. It is about 150µm in size. The work on this sample is ongoing and will take a while. First results are at Michael Hesemann Project Hamburg, Germany Have you got any Jurassic soft samples of marine origin to share ?
  8. There are several studies suggesting that all agglutinated foraminiferas are benthic. I would like to know if there are any published exceptions to that? So for example; can planktonik forams have agglutinated wall structures? I would be happy if you can let me know if there are any studies about this issue. Thank you in advance Cheers Korhan
  9. 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 October 22, 2016. Phylum Foraminifera - Forams and Fusilinids Silurian Bell, K.N., P. Cockle and R. Mawson (2000). Agglutinated Foraminifera (Silurian and Early Devonian) from Borenore and Windellama, New South Wales. Records of the Western Australian Museum, Supplement Number 58. Devonian Conkin, J.E. and B.M. Conkin (1968). A Revision of Some Upper Devonian Foraminifera from Western Australia. Palaeontology, Vol.11, Part 4. Copeland, M.J. and R.V. Kesling (1955). A New Occurrence of Semitextularia thomasi Miller and Carmer, 1933. Contributions from the Museum of Paleontology - University of Michigan, Vol.XII, Number 7. Malec, J. (1992). Arenaceous Foraminifera from Lower-Middle Devonian Boundary Beds of Western Part of the Góry Świętokrzyskie Mts. Annales Societatis Geologorum Poloniae, Vol.62. Schieber, J. (2009). Discovery of agglutinized benthic foraminfera in Devonian black shales and their relevance for the redox state of ancient seas. Palaeogeography, Palaeoclimatology, Palaeoecology, 271. Carboniferous Carboniferous - Africa/Middle East Leven, E.Ja., M.N. Gorgij (2006). Upper Carboniferous - Permian stratigraphy and fusilinids from the Anarak region, central Iran. Russian Journal of Earth Sciences, Vol.8. Leven, E.Ja., V.I. Davydov and M.N. Gorgij (2006). Pennsylvanian Stratigraphy and Fusilinids of Central and Eastern Iran. Palaeontologia Electronica, Vol.9, Issue 1. Okuyucu, C. (2009). Systematics and biostratigraphic notes of the upper Moscovian-upper Gzhelian fusilinid foraminifers from the Anatolian Platform in the Southern Turkey. Geologica Balcanica, 38, 1-3. Carboniferous - Antarctica **No Literature Available** Carboniferous - Asia/Malaysia Ota, Y. (1994). Upper Carboniferous Fusilinids from Mt. Maruyama, Mine City, Yamaguchi Prefecture. Bull. Kitakyushu Mus.Nat.Hist., 13. Carboniferous - Australia/New Zealand **No Literature Available** Carboniferous - Europe (including Greenland) Colpaert, C. (2014). The Tournaisian (Early Carboniferous) Foraminifers from the Kuznetsk Basin (South-West Siberia, Russia): Taxonomy, Biometry, Biostratigraphy. Examensarbete vid Institutionen fӧr geovetenskaper, Number 303. Davydov, V.I. and I. Nilsson (1999). Fusilinid Succession from the Middle-Upper Carboniferous Boundary Beds on Spitsbergen, Arctic Norway. Palaeontologia Electronica. Davydov, V.I., I. Nilsson and L. Stemmerik (2001). Fusilinid zonation of the Upper Carboniferous Kap Jungersen and Foldedal Formations, southern Amdrup Land, eastern North Greenland. Bulletin of the Geological Society of Denmark, Vol.48. Khodjanyazova, R.R., et al. (2014). Climate- and eustasy-driven cyclicity in Pennsylvanian fusilinid assemblages, Donets Basin (Ukraine). Palaeogeography, Palaeoclimatology, Palaeoecology, 396. Kulagina, E.I. (2009). Evolution of the fusilinid Depratina in the Bashkirian-Moscovian interval. Palaeoworld, 18. Strank, A.R.E. (1983). New Stratigraphically Significant Foraminifera from the Dinantian of Great Britian. Palaeontology, Vol.26, Part 2. Carboniferous - North America Alexander, R.D. (1954). Desmoinesian Fusilinids of Northeastern Oklahoma. Oklahoma Geological Survey, Circular No. 31. Cushman, J.A. and J.A. Waters (1930). Foramina of the Cisco Group (Exclusive of the Fusilinidae). The University of Texas Bulletin Number 3019. Douglass, R.C. (1971). Pennsylvanian Fusilinids from Southeastern Alaska. Geological Survey Professional Paper 706. Dunbar, C.O. (1932). Fusilinids of the Big Lake Oil Field, Reagan County, Texas. In: Contributions to Geology, 1932. University of Texas Bulletin 3201. (Note: the download includes the entire bulletin. The article on Fusilinids is on pages 46-51 of the pdf file.) Galloway, J.J. and C. Ryniker (1930). Foraminifera from the Atoka Formation of Oklahoma. Oklahoma Geological Survey, Circular Number 21. Groves, J.R. (1983). Calcareous Foraminifers and Algae from the Type Morrowan (Lower Pennsylvanian) Region of Northeastern Oklahoma and Northwestern Kansas. Oklahoma Geological Survey, Bulletin 133. Harris, R.W. and T.C. Jobe (1956). Chester Foraminifera and Ostracoda from the Ringwood Pool of Oklahoma. Oklahoma Geological Survey, Circular 39. Mamet, B.L. (1985). Carboniferous Foraminifera and Algae of the Amsden Formation (Mississippian and Pennsylvanian) of Wyoming. United States Geological Survey, Professional Paper 848-B. Mamet, B.L., S. Pinard and A.K. Armstrong (1993). Micropaleontological Zonation (Foraminifers, Algae) and Stratigraphy, Carboniferous Peratrovich Formation, Southeastern Alaska. U.S. Geological Survey Bulletin 2031. Marple, M.F. (1955). Small Foraminifera of the Pottsville Formation in Ohio. The Ohio Journal of Science, 55(2). Myers, D.A. (1988). Stratigraphic Distribution of Fusilinid Foraminifera from the Manzano Mountains, New Mexico. United States Geological Survey, Professional Paper 1446-A, B. Myers, D.A. (1988). Stratigraphic Distribution of some Pennsylvanian Fusilinids from the Sandia Formation and the Los Moyos Limestone, Manzano Mountains, New Mexico. United States Geological Survey, Professional Paper 1446-A. Myers, D.A. (1960). Stratigraphic Distribution of Some Pennsylvanian Fusilinidae from Brown and Coleman Counties, Texas. U.S. Geological Survey, Professional Paper 315-C. Nail, R.S. (1996). Middle-Late Pennsylvanian Fusilinid Faunas from Midcontinent North America and the Paradox Basin, Utah and Colorado. Ph.D. Dissertation, Texas Tech University. Plummer, H.J. (1930). Calcareous Foraminifera in the Brownwood Shale near Bridgeport, Texas. The University of Texas Bulletin, Number 3019. Smyth, P. (1957). Fusilinids from the Pennsylvanian Rocks of Ohio. The Ohio Journal of Science, Vol.57, Number 5. Verville, G.J., G.A. Sanderson and M.E. Madsen (1986). Pennsylvanian Fusilinids from the Fra Cristobal Range, Sierra County, New Mexico. New Mexico Geological Society Guidebook, 37th Field Conference, Truth or Consequences, 1986. Wahlman, G.P. and R.R. West (2010). Fusilinids from the Howe Limestone Member (Red Eagle Limestone, Council Grove Group) in Northeastern Kansas and their Significance to the North American Carboniferous (Pennsylvanian) - Permian Boundary. Current Research in Earth Sciences, Bulletin 258, Part 4. Carboniferous - South America/Central America/Caribbean **No Literature Available** Permian Permian - Africa/Middle East Davydov, V.I. and S. Arefifard (2007). Permian Fusilinid Fauna of Peri-Gondwanan Affinity from the Kalmard Region, East-Central Iran and its Significance for Tectonics and Paleogeography. Palaeontologia Electronica, Vol.10, Issue 2. Okuyucu, C. and M.C. Goncuoglu (2010). Middle-late Asselian (Early Permian) fusilinid fauna from the post-Variscan cover in NW Anatolia (Turkey): Biostratigraphy and geological implications. Geobios, 43. Orlov-Labkovsky, O. (2003). Permian Fusilinids (Foraminifera) of the Subsurface of Israel: Taxonomy and Biostratigraphy. Revista Española de Micropaleontologia, 36(3). Skinner, J.W. (1969). Permian Foraminifera from Turkey. The University of Kansas Paleontological Contributions, Paper 36. Skinner, J.W. and G.L. Wilde (1967). Permian Foraminifera from Tunisia. The University of Kansas Paleontological Contributions, Paper 30. Permian - Antarctica **No Literature Available** Permian - Asia/Malaysia Choi, D.R. (1970). Permian Fusilinids from Imo, Southern Kitakami Mountains, N.E. Japan. Journal of the Faculty of Science, Hokkaido University, Series 4, Geology and Mineralogy, 14(3). Choi, D.R. (1970). On Some Permian Fusilinids from Iwaizaki, N.E. Japan. Journal of the Faculty of Science, Hokkaido University, Series 4, Geology and Mineralogy, 14(3). Permian - Australia/New Zealand Crespin, I. (1958). Permian Foraminifera of Australia. Commonwealth of Australia Department of National Development, Bureau of Mineral Resources, Geology and Geophysics, Bulletin Number 48. (48 MB download) Hornibrook, N. de B. (1951). Permian Fusilinid Foraminifera from the North Auckland Peninsula, New Zealand. Transactions of the Royal Society of New Zealand, Vol.79, Part 2. Permian - Europe (including Greenland) Nestell, G.P., et al. (2011). Foraminifera from the Permian-Triassic transition in western Slovenia. Micropaleontology, Vol.57, Number 3. Skinner, J.W. and G.L. Wilde (1966). Permian Fusilinids from Sicily. The University of Kansas Paleontological Contributions, Paper 8. Permian - North America Myers, D.A. (1988). Stratigraphic Distribution of Fusilinid Foraminifera from the Manzano Mountains, New Mexico. United States Geological Survey, Professional Paper 1446-A, B. Skinner, J.W. (1971). New Lower Permian Fusilinids from Culberson County, Texas. The University of Kansas Paleontological Contributions, Paper 53. Skinner, J.W. and G.L. Wilde (1966). Permian Fusilinids from Pacific Northwest and Alaska. The University of Kansas Paleontological Contributions, Paper 4. (Download from site.) Skinner, J.W. and G.L. Wilde (1965). Permian Biostratigraphy and Fusilinid Faunas of the Shasta Lake area, northern California. The University of Kansas Paleontological Contributions, Article 39, Protozoa 6. (Download from site.) Thompson, M.L. (1954). American Wolfcampian Fusilinids. University of Kansas Paleontological Contributions, Article 14, Protozoa 5. (Download from site.) Williams, T.E. (1963). Fusilinidae of the Hueco Group (Lower Permian), Hueco Mountains, Texas. Peabody Museum of Natural History - Yale University, Bulletin 18. Permian - South America/Central America/Caribbean Perez-Ramos, O. and M. Nestell (2002). Permian fusilinids from Cobachi, central Sonora, Mexico. Revista Mexicana de Ciencias Geologicas, Vol.19, Number 1. Ross, C.A. (1962). Permian Foraminifera from British Honduras. Palaeontology, Vol.5, Part 2. Triassic Kristan-Tollmann, E. (1988). A Comparison of Late Triassic Agglutinated Foraminifera of Western and Eastern Tethys. Abh.Geol.B.-A., Vol.41. Payne, J.L., et al. (2011). Early and Middle Triassic trends in diversity, evenness, and size of foraminifers from a carbonate platform in south China: implications for tempo and mode of biotic recovery from the end-Permian mass extinction. Paleobiology, 37(3). Rigaud, S., R. Martini and R. Rettori (2013). A new genus of Norian involutinid foraminifers: Its morphological, biostratigraphic, and evolutionary significance. Acta Palaeontologica Polonica, 58(2). Styk, O. (1975). Foraminifera from the Lower and Middle Triassic of Poland. Acta Palaeontologica Polonica, Vol.XX, Number 4. Tappan, H. (1951). Foraminifera from the Arctic Slope of Alaska - General Introduction and Part 1, Triassic Foraminifera. U.S. Geological Survey Professional Paper 236-A. Jurassic BouDagher-Fadel, M.K. and A.R. Lord (2002). Larger Foraminifera of the Jurassic Western Tethys Ocean. Archaeology & History in Lebanon, Issue 15. Gordon, W.A. (1961). Some Foraminifera from the Ampthill Clay, Upper Jurassic, of Cambridgeshire. Palaeontology, Vol.4, Part 4. Kottachchi, N. (2001). Jurassic Foraminifera from the Queen Charlotte Islands, British Columbia: biostratigraphy, paleoenvironments and paleogeographic implications. Masters Thesis - Carleton University. Lalicker, C.G. (1950). Foraminifera of the Ellis Group, Jurassic, at the Type Locality. University of Kansas Paleontological Contributions, Article 5, Protozoa 2. Lloyd, A.J. (1959). Arenaceous Foraminifera from the Type Kimeridgian (Upper Jurassic). Palaeontology, Vol.1, Part 4. Rigaud, S., et al. (2015). Taxonomy, phylogeny, and functional morphology of the foraminiferal genus Involutina. Acta Palaeontologica Polonica, 60(1). Schmid, D.U. and R.R. Leinfelder (1996). The Jurassic Lithocodium aggregatum - Troglotella incrustans Foraminiferal Consortium. Palaeontology, Vol.39, Part 1. Tappan, H. (1955). Foraminifera from the Arctic Slope of Alaska - Part 2. Jurassic Foraminifera. U.S. Geological Survey Report. Cretaceous Cretaceous - Africa/Middle East **No Literature Available** Cretaceous - Antarctica **No Literature Available** Cretaceous - Asia/Malaysia Asano, K. (1950) Upper Cretaceous Foraminifera from Japan. Pacific Science, Vol. IV. Cretaceous - Australia/New Zealand **No Literature Available** Cretaceous - Europe (including Greenland) Alegret, L., E. Molina and E. Thomas (2003). Benthic foraminiferal turnover across the Cretaceous/Paleogene boundary at Agost (southeastern Spain): paleoenvironmental inferences. Marine Micropaleontology, 48. Barr, F.T. (1966). Upper Cretaceous Foraminifera from the Ballydeanlea Chalk, County Kerry, Ireland. Palaeontology, Vol. 9, Part 3. Barr, F.T. (1961) Upper Cretaceous Planktonic Foraminifera from the Isle of Wight, England. Palaeontology, Vol.4, Part 4. Renema, W. and M.B. Hart (2012). Larger benthic Foraminifera of the type Maastrichtian. In: Fossils of the type Maastrichtian (Part 1). Jagt, J.W.M., S.K. Donovan and E.A. Jagt-Yazykova (eds.), Scripta Geologica Special Issue 8. Rogl, F. (1995). A Late Cretaceous Flysch-type Agglutinated Foraminiferal Fauna from the Trochamminoides proteus Type Locality (Wien-Hutteldorf, Austria). In: Proceedings of the Fourth International Workshop on Agglutinated Foraminifera, Krakow, Poland. Kaminski, M.A., S. Geroch and M.A. Gasinski (eds.), Grzybowski Foundation Special Publication Number 3. Cretaceous - North America Abramovich, S., et al. (2011). Maastrichtian Planktic Foraminiferal Biostratigraphy and Paleoenvironment of Brazos River, Falls County, Texas, USA. In: The End-Cretaceous Mass Extinction and the Chicxulub Impact in Texas. SEPM Special Bulletin 100. Beddoes, L.R. (1959). Foraminiferal Populations of the Goodland Formation, Tarrant County, Texas. Field & Laboratory, SMU, 27(2). Carsey, D.O. (1926). Foraminifera of the Cretaceous of Central Texas. University of Texas Bulletin, Number 2612. Frizzell, D.L. (1954). Handbook of Cretaceous Foraminifera of Texas. Bureau of Economic Geology, Report of Investigations Number 22. (230 pages) Loeblich, A.R. and H. Tappan (1950). Foraminifera from the Type Kiowa Shale, Lower Cretaceous, of Kansas. University of Kansas Paleontological Contributions, Article 6, Protozoa 3. Martin, L. (1964). Upper Cretaceous and Lower Tertiary Foraminifera from Fresno County, California. Jahrbuch der Geologischen Bundesanstalt, Sonderband 9. Patterson, R.T., J.W. Haggart and A.P. Dalby (2010). A Guide to Late Albian-Cenomanian (Cretaceous) Foraminifera from the Queen Charlotte Islands, British Columbia, Canada. Palaeontologia Electronica, Vol.13, Issue 2. Sliter, W.V. (1968). Upper Cretaceous Foraminifera from Southern California and Northwestern Baja California, Mexico. The University of Kansas Paleontological Contributions, Article 49, Protozoa 7. (Download from site.) Cretaceous - South America/Central America/Caribbean Alegret, L., E. Molina and E. Thomas (2001). Benthic foraminifera at the Cretaceous-Tertiary boundary around the Gulf of Mexico. Geology, Vol.29, Number 10. Omana, L. and G. Alencaster (2009). Lower Aptian shallow-water benthic foraminiferal assemblage from the Chilacachapa range in the Guerrero-Morelos Platform, south Mexico. Revista Mexicana de Ciencias Geologicas, Vol.26, Number 3. Sliter, W.V. (1968). Upper Cretaceous Foraminifera from Southern California and Northwestern Baja California, Mexico. The University of Kansas Paleontological Contributions, Article 49, Protozoa 7. (Download from site.) Paleocene Afzal, J., et al. (2005). Foraminiferal Biostratigraphy and Paleoenvironments of the Paleocene Lockhart Limestone from Kotal Pass, Kohat, Northern Pakistan. Pakistan Journal of Hydrocarbon Research, Vol.15. Malarkodi, N., et al. (2010). Foraminifera from the Early Danian Intertrappean Beds in Rajahmundry Quarries, Andhra Pradesh. Journal Geological Society of India, Vol.75. Eocene Anan, H.S. (2005). Agglutinated Middle-Upper Eocene foraminifera in Jabal Hafit, Al Ain area, United Arab Emirates. Revue de Paleobiolgie, Geneve, 24(1). Lunt, P. (2003). Biogeography of Some Eocene Larger Foraminifera and Their Application in Distinguishing Geological Plates. Palaeontologia Electronica, Vol.6, Issue 2. Plummer, H.J. (1932). Foraminiferal Evidence of the Midway-Wilcox Contact in Texas. In: Contributions to Geology, 1932. University of Texas Bulletin 3201. (Note: download includes the entire bulletin. The article on Forams is on pages 28-45 of the pdf file.) Todd, R. (1970). Smaller Foraminifera of Late Eocene Age from Eua, Tonga. Geological Survey Professional Paper 640-A. Oligocene Gedik, F. (2008). Foraminiferal description and biostratigraphy of the Oligocene shallow marine sediments in Denizli region, SW Turkey. Revue de Paleobiologie, Geneve, 27(1). Miocene Adams, C.G. (1959). Geologial Distribution of Discospirina (Foraminifera) and Occurrence of D. italica in the Miocene of Cyprus. Palaeontology, Vol.1, Part 4. Belford, D.J. (1962). Miocene and Pliocene Planktonic Foraminifera, Papua-New Guinea. Commonwealth of Australia, Bureau of Mineral Resources, Geology and Geophysics, Bulletin Number 62. Buzas, M.A. and T.G. Gibson (1990). Spatial Distribution of Miocene Foraminifera at Calvert Cliffs, Maryland. Smithsonian Contributions to Paleobiology, Number 68. Crihan, I.-M. (2000). Palaeoecology of the Badenian Foraminifera Between the Prahova Valley and Teleajen Valley (Subcarpathians of Muntenia). Hayward, B.W. and M.A. Buzas (1979). Taxonomy and Paleoecology of Early Miocene Benthic Foraminifera of Northern New Zealand and the North Tasman Sea. Smithsonian Contributions to Paleobiology, Number 36. Pliocene Belford, D.J. (1962). Miocene and Pliocene Planktonic Foraminifera, Papua-New Guinea. Commonwealth of Australia, Bureau of Mineral Resources, Geology and Geophysics, Bulletin Number 62. General Forams and Fusilinids Barnard, T. (1958). Some Mesozoic Adherent Foraminifera. Palaeontology, Vol.1, Part 2. Bellier, J.-P., R. Mathieu and B. Granier (2010). Short Treatise on Foraminiferology (Essential on modern and fossil foraminifera). Carnets de Geologie, 2(2). Burnaby, T.P. (1961). The Palaeoecology of the Foraminifera of the Chalk Marl. Palaeontology, Vol.4, Part 4. Carter, D.J. (1957). The Distribution of the Foraminifer Alliatina excentrica (Di Napoli Alliata) and the New Genus Alliatinella. Palaeontology, Vol.1, Part 1. Coxall, H.K., et al. (2007). Iterative evolution of digitate planktonic foraminifera. Paleobiology, 33(4). Cushman, J.A. (1959). A Monograph of the Foraminiferal Family Nonionidae. U.S. Geological Survey Professional Paper 191. Dilley, F.C. (1973). Larger Foraminifera and Seas Through Time. Special Papers in Palaeontology, Number 12. Douglass, R.C. (1987). Fusilinid Biostratigraphy and Correlations Between the Appalachians and Eastern Interior Basins. U.S. Geological Survey Professional Paper 1451. Douglass, R.C. (1960). The Foraminiferal Genus Orbitolina in North America. U.S. Geological Survey Professional Paper 333. Holbourn, A.E. and A.S. Henderson (2002). Re-Illustration and Revised Taxonomy for Selected Deep-Sea Benthic Foraminifers. Palaeontologia Electronica, Vol.4, Issue 2. Huang, H. (2011). Fusilinid species determination based on population variation: An example from Eopolydiexodina. Science China - Earth Sciences, Vol.54, Number 3. Murray, J.W. and E. Alve (2011). The distribution of agglutinated foraminifera in NW European seas: Baseline data for the interpretation of fossil assemblages. Palaeontologia Electronica, Vol.14, Issue 2. Murray, J.W. and C.A. Wright (1974). Palaeogene Foraminiferida and Palaeoecology, Hampshire and Paris Basins and the English Channel. Special Papers in Palaeontology, Number 14. Nielsen, K.S.S., J.K. Nielsen and R.G. Bromley (2003). Palaeoecological and Ichnological Signifiance of Microborings in Quaternary Foraminifera. Palaeontologia Electronica, Vol.6, Issue 1. Pawlowski, J., et al. (2003). The evolution of early Foraminifera. PNAS, Vol.100, Number 20. Platon, E. (1997). Coiling Modes in the Family Plectorecurvoididae (Foraminiferida). Annales Societatis Geologorum Poloniae, Vol.67. Schmidt, D.N., et al. (2004). Abiotic Forcing of Plankton Evolution in the Cenozoic. Science, Vol.303. Skinner, J.W. (1971). The Fusilinid Genera Polydiexodina and Skinnerina. The University of Kansas Paleontological Contributions, Paper 57. Smout, A.H. and F.E. Eames (1958). The Genus Archaias (Forminifera) and its Stratigraphical Distribution. Palaeontology, Vol.1, Part 3. Stainforth, R.M., et al. (1975). Cenozoic Planktonic Foraminiferal Zonation and Characteristics of Index Forms. The University of Kansas Paleontological Contributions, Article 62. (Download from site.) Thompson, M.L. (1948). Studies of American Fusilinids. University of Kansas Paleontological Contributions, Article 4, Protozoa 1. (184 Pages, download from site.) Vachard, D., L. Pille and J. Gaillot (2010). Palaeozoic Foraminifera: Systematics, palaeoecology and responses to global changes. Revue de micropaleontologie, 53. Wade, B.S., et al. (2011). Review and revision of Cenozoic tropical planktonic foraminiferal biostratigraphy and calibration to the geomagnetic polarity and astronomical time scale. Earth Science Reviews, 104. White, M.P. (1932). Some Texas Fusilinidae. The University of Texas Bulletin, Number 3211. Wray, C.G., et al. (1995). Origin of the foraminifera. Proc.Natl.Acad.Sci. USA, Vol.92.
  10. these thin sections shows Familly Soritidae from Eocene carbonates. with porcelaneous test they are mostly in close environments and lagoons
  11. Hi, I am trying to purchase a microscope which will allow the study of small foraminifera (around 100 micron in size). I've just received an Amscope, 3.5x-180x dissecting zoom stereo microscope and, after trying it out, I have the feeling this is not the winner. I can only use it at maximum power (180x) and this magnification is....ok but not enough. The image at this magnification is not very sharp either. It would be a struggle to identify my smallest specimens. Taking photos of them is almost an impossible task (I don't have a trilocular, I am just trying to take photos with a camera, through the eye piece). Could you please help and recommend what would be best to use for 100 micron size fossil? And I need to see them well enough to identify small morphology details. I am considering returning this and ordering a 3.5x-225x, which seems to be the highest magnification for a stereo microscope you can get from Amscope. That could probably do the job but still not make me extremely happy. Any ideas where I could find more powerful stereo microscopes which don't cost a fortune? Is it worth considering getting a compound microscope from Amscope? These have magnification ranges between 40x and 2000x but...are they the tools to use for foraminifera? I've only used stereo microscopes in university so far, nobody seemed to use compound ones for foraminifera. Also, any ideas if these things are any good: ? Sorry to throw so many questions at you. Any help would be much appreciated. Regards, Angela
  12. Large Oligocene Foraminifera from France A couple of weeks ago I received a package of 400g from Adrian - one of the few contributors for, who sends us samples. Adrian is a malacologist. It contained quite well preservered sediments from the Oligocene (Chattian) of Southern France, found near the city of Dax. Now we in Hamburg have made some SEMs and Bernard Remaud nice optical images. My identifications are Lepidocyclina sp. and two Miogypsina bantamensis. The size of the specimens is 3-4mm - extraordinary large forams. Michael Project
  13. On the hottest day of the year (104°F) we made our field-trip to the chalk-quarry of Hoever, Northern Germany of Lower Campanian age. A local collector gave us his collection of bigger foraminifera. In one of these big Flabellinas (6000µm large) there are 1000 or more smaller foraminifera, like Heterolicids.
  14. This is my first "new topic" post to the FF, so I hope I'm doing this correctly. If you have a microscope or equivalent and a current or potential interest in micro-fossils, you might enjoy collecting at the following historic locality: Mississippian Salem Limestone, about 5 miles east of Salem, Indiana off Rt. 160; Spergen (Spurgeon) Hill, railroad cut (Manon RR) paralleling S. Harristown Rd, 0.75 mi north of Rt. 160; south end of Trackside Road; approximately 140 meters S of Harristown, Washington Co., Indiana; diminuitive fauna; Universal Transverse Mercator (UTM) coordinates: 16S 585024.04 4272332.25. My first introduction to micro-fossils was in a paleontology lab I took during the 70’s with the focus of study on the foraminiferid, Endothyra baileyi (now called Globoendothyra baileyi). These tiny specimens were labeled “Spergen Hill” on their container without further description. A few years later, I was able to locate the source of the specimens as the type locality for the Salem Limestone (formerly, Spergen or Spergen Hill Limestone) of Middle Mississippian or Meramecean (Valmeyerian) age. Sratigraphically, it sits above the Harrodsburg Limestone and beneath the St. Louis Limestone. The locality is a railroad cut at Spergen Hill, just south of Harristown, Washington County, Indiana. The cut is relatively narrow and much caution is advised upon the advent of trains entering the cut. The rock at this locality is a medium to coarse grained, tan to gray, crossbedded calcarenite containing mostly microfossils. Macrofossils (somewhat sparse) are present in the formation but nowhere near the quantity of the microfossils (G. baileyi has been estimated at 1,000 / in3 in some portions of the strata). Besides single-celled eukaryotes (e.g., Globoendothyra), representatives of most of the major phyla are present in diminuitive form or as tiny fragments of the macro fauna (spines, plates, columnals, etc.) I’ve visited the location at least three times in the past and besides collecting macrofossils on these visits, I have also accumulated a quantity of the rock containing the microfossils. On arriving home, I pulverize the collected rock with a sledge to a fine granular size and wash and strain the residue through a porous cloth to remove any extra fine material (rock dust) The washed residue is then dried and placed in labeled plastic bags. Then, in the dead of winter when collecting is not possible for me and the “urge” to collect is compelling, I drag out a bag, place some of the residue in a shallow container under my scope and go fossil collecting and identifying! I use a very fine-pointed forceps, which I periodically ground to a piece of rubber (to avoid static electricity buildup) to pick out fossils from the residue. I find it a bit better for collecting the micros from this locality than using a wetted fine paintbrush. This location has been estimated to contain over 100 species of invertebrates on a micro level. More information can be found at The attached photos were taken for a program I was giving on Indiana fossils to illustrate single-celled eukaryotes (Protozoa). The first photo shows a random selection of micro-specimens of various phyla collected from the residue with an emphasis on the G. baileyi. The second and third show sorted G. baileyi specimens and G. baileyi specimens with matrix, respectively. Two free texts with plates are available on some of the Spergen Hill microfauna at the following websites: Whitfield, R.P. On the fauna of the Lower Carboniferous limestones of Spergen Hill, Ind., with a revision of the descriptions of its fossils hitherto published, and illustrations of the species from the original type series. Bulletin of the AMNH; v. 1, article 5. (free download),+R.P.+On+the+fauna+of+the+limestones+of+Spergen+Hill&source=bl&ots=iFhHvpc7qf&sig=XNpUBo45hKPRICv5fLdb0AlJktA&hl=en&sa=X&ei=pO8_Ve70G-vlsATq-4EQ&ved=0CCQQ6AEwAg Cumings, E.R. et al. Fauna of the Salem Limestone of Indiana. (free download).
  15. Here is the first ostracode that I have ever found... YAY!!! It was found in some of the Lee Creek / Pungo formation matrix that I brought home from Aurora, NC after this year's fossil festival. The scale in the pictures is in 1/16 of an inch increments. I was totally surprised when I "stumbled across" this. Enjoy! Pictures: -Bill H.
  16. I just discovered micropalentology a few days ago thanks to the Palaeocast podcast. I googled around a bit to figure out how to extract microfossils from various materials. I processed a kg or so of clay derived from Mississippian sandstone in Arkansas and am sorting through the reside now. I've already found a bunch of foraminifera, a crinoid stem section, and other microfossils I can't identify. Now that I have the fossils, how the heck to I go about identifying them? I got a copy of Armstrong & Brasier's "Microfossils" from the library today, but haven't had a chance to sit down with it. Are there any other books or resources that would also be useful? Are there any good general guides to microfossils? All I seem to find online are very basic line drawings with a single example of any given group, which to me doesn't seem particularly useful.
  17. From the album Foraminifera

    Globotruncana linneiana (d'Orbigny, 1839) spiral side indicative for Campanian to Upper Maastrichtian found reworked on the beach near Tunis, Tunisia

    © © Foram-Mike

  18. From the album Foraminifera

    Globotruncana linneiana (d'Orbigny, 1839) umbilical side indicative for Campanian to Upper Maastrichtian found reworked on the beach near Tunis, Tunisia

    © © Foram-Mike

  19. From the album Foraminifera

    Nodosaria aspera found in Laegerdorf, Germany aged Campanian

    © Stefan Raveling / Michael Hesemann

  20. Fossil Forams –our smallest but most numerous fossils, Moap Valley Progress, January 2, 2103 or Best wishes, Paul H.
  21. Hi everyone, I would like to shear my blog on micropalaeontology with you, and I hope you find it helpful. It is my honour to receive and shear your opinion in micropaleontology. The blog needs time to be completed, and I am ready to know your suggestions about it. Link: Micropalaeontology Blog Regards, Majed
  22. Dear All, I have these two pictures that I took it from my sample of Pliocene microfossils, but am not sure about them. Could you please help me to identify them: the firs one is transparent wall (hyaline) i think, elongated with narrows end in both sides: the second picture: Cheers, Majed
  23. Herb send me some grams of sediment from Campanian to Maastrichtian Blue Springs, Union County MS with a rich content of foraminifera. Thanks a lot Herb. It is a great pleasure to work with your material: Heterohelix Fissurina Pseudouvigerina Gaudryina find more As I received different samples from the Upper Cretaceous of the USA I installed a clickable map with altogether 103 images so far. see http://www.foraminif...upcretgulf.html Upper Cret. samples are welcome to enlarge these section. A more or less exact locality and the formation they are from should be known. Send a PM, if you want to share a sample. The project is non-commercial driven by naturalist enthusiasm. Thus we share our findings for free and hope to help and find others, who are fascinated too by the beauty of formanifera and the story the tell about Earth Nature. Michael
  24. Hi! I've found this fossils within a lake fossil deposits from central Mexico, I cant' figure out what they could be. A friend of mine tell me they seems very much like a foraminifera, but I've read that those fossils are only marine. Indeed, the lake (in central Mexico) is a little bit brackish and exists at least from Miocene/Pliocene. It contains fossils from the Blancan and Rancholabrean with volcanic activity causing the fossils to be black for the iron and manganese on them. The common fossils are mammoths, horses, camels, etc. If you can help me with this I'll be so grateful! THANKS FOR YOUR TIME! PICS