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Found 128 results

  1. Is this Dino egg real ? Or just a rock?
  2. Big and small dinosaur eggs

    This clutch of dinosaur eggs is from Ganzhou of China. Among the normal sized eggs, there is a much smaller egg. Was it part of the same clutch (like leatherback has both normal sized eggs and small unfertilized eggs), or it belonged to another animal?
  3. Fossil Egg?

    Can any one tell me what this fossilized egg is.
  4. Shell? Fossil? Egg?

    I can't figure out what this might be, I hope you can see it well enough. It was very hard to get good pics of the crushed side. I think it could be a crab shell, it's crushed but firm tho it seems slightly pliable and even breakable. It's not. The "mouth" seems to be more of a dent than an opening since sealed over and the perfect little circle on the top reminds me of a horseshoe crab. Some of the pics are color saturated to enhance the detail as best I could. Please, help, so curious!
  5. Hi guys, Is this a real Hadrosaur egg fossil? There are so many fakes out there so I really like your opinions. The egg is found in the Henan province in China
  6. Hi all, I have come across numerous theropod eggshells sold as "Oviraptor from Mongolia" through the years. Mostly, I pay them no heed. As I am aware, whole Oviraptor eggs from Mongolia are in fact Elongatoolithus sp. eggs from Guangdong or other parts of China. True Mongolian eggs are very rare. What about these eggshells though? My guess is that thousands of them come out of China, the same way as the eggs and egg nests. But then again, eggshells are more common, and is it that implausible for some of them to be Mongolian in origin? I label mine as being from China, but I'd like to hear your thoughts on this.
  7. Please take a look at these dinosaur eggs. They are said to be from Hezheng, Gansu, China. Are they genuine?
  8. Bird egg fossils? I'm a new member.

    Hello, I found these fossilized 'eggs' taped together at a pawn shop in Kalispell, Montana. I know nothing about them but they are really cool! Does anyone know what they are? The more oval one is about 2" long by 1.5" wide. The more round one is about 1-9/16" x 1-13/16". They were sliced in half when I found them. The one that looks slightly developed ha some missing 'yoke' around the center small circle but is close to fully intact. They are fascinating but I don't know much. I'm a newbie. Thank you for any help.
  9. seen this for sale and to me it looks genuine but i am wondering about its authenticity, its location has no red flags as is Washington (not Cincinnati) any input would be appreciated.
  10. Good morning, I was given this rock 15 years ago and I believe it is from East Texas, but that is just a guess. I have no other information. I think it is nifty, but no clue what it is. Sorry if the files are too large, I'm inept.
  11. Dinosaur Eggs from China

    Are these dinosaur eggs or rocks? They were found during a road works in China.
  12. Greetings! We found this fossilized egg on the banks of the clay cliffs in Maryland. We frequently find fossilized shark teeth, stingray jaws, whale vertebrae, and megalodon teeth on the same banks. It was a round/oval shape with a crack in the top and we proceeded to break it open (not the best idea now!). You can clearly see the yolk and egg layers. We would love any help identifying it! Thank you!
  13. egg?

    Everyone is wrong, thinking they have a dino egg. Am I? weight = 660 grams length = 3.9 inches
  14. 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 joegallo1954@gmail.com 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 November 4, 2017. Eggs (Oolithids) Oolithids - Precambrian Yin, L., et al. (2007). Doushantuo embryos preserved inside diapause egg cysts. Nature, Vol.446. Oolithids - Cambrian Lin, J.-P., et al. (2006). Silicified egg clusters from a Middle Cambrian Burgess Shale-type deposit, Guizhou, south China. Geology, Vol.34, Number 12. Oolithids - Permian Abu Hamad, A., et al. (2016). First Permian Occurrence of the Shark Egg Capsule Morphotype Palaeoryxis Brongniart, 1828. Journal of Vertebrate Paleontology, e1112290. Oolithids - Triassic Böttcher, R. (2010). Description of the shark egg capsule Palaeoxyris friessi n.sp. from the Ladinian (Middle Triassic) of SW Germany and discussion of all known egg capsules from the Triassic of the Germanic Basin. Palaeodiversity, 3. Fischer, J., B.J. Axsmith and S.R. Ash (2010). First unequivocal record of the hybodont shark egg capsule Palaeoxyris in the Mesozoic of North America. N.Jb.Geol.Paläont.Abh., Vol.255/3. Fischer, J., S. Voigt and M. Buchwitz (2007). First elasmobranch egg capsules from freshwater lake deposits of the Madygen Formation (Middle to Late Triassic, Kyrgyzstan, Central Asia). Freiberger Forschungshefte, C254, psf (15). Kitching, J.W. (1979). Preliminary Report on a Clutch of Six Dinosaurian Eggs from the Upper Triassic Elliot Formation, Northern Orange Free State. Palaeont.afr., 22. McLean, G. (2014). A Comparative Study of the Australian Fossil Shark Egg-Case Palaeoxyris duni, with Comments on Affinities and Structure. Proceedings of the Linnean Society of New South Wales, 136. Pott, C., et al. (2008). Fossil Insect Eggs and Ovipositional Damage on Bennettitalian Leaf Cuticles from the Carnian (Upper Triassic) of Austria. J.Paleont., 82(4). Oolithids - Jurassic Araujo, R., et al. (2013). Filling the gaps of dinosaur eggshell phylogeny: Late Jurassic Theropod clutch with embryos from Portugal. Scientific Reports, 3:1924. Garcia, G., et al. (2006). Earliest Laurasian sauropod eggshells. Acta Palaeontologica Polonica, 51(1). Joyce, W.G. and D.K. Zelenitsky (2002). Turtle egg pseudomorphs from the Late Jurassic of Schamhaupten, Germany. Archaeopteryx, 20. Mateus, I., et al. (1998). Upper Jurassic Theropod Dinosaur embryos from Lourinhã (Portugal). Memórias da Academia Ciências de Lisboa, Vol.37. Popa, M.E. and A. Zaharia (2011). Early Jurassic Ovipositories on Bennettitalean Leaves from Romania. Acta Palaeontologica Romaniae, Vol.7. Reisz, R.R., et al. (2012). Oldest known dinosaurian nesting site and reproductive biology of the Early Jurassic sauropodomorph Massospondylus. PNAS, Early Edition. Ribeiro, V., et al. (2014). Two new theropod egg sites from the Late Jurassic Lourinhã Formation, Portugal. Historical Biology, Vol.26, Number 2. Russo, J., et al. (2017). Two new ootaxa from the late Jurassic : The oldest record of crocodylomorph eggs from the Lourinhã Formation, Portugal. PLoS ONE, 12(3). (Thanks to Fossildude19 for finding this one!) Russo, J., et al. (2014). Crocodylomorph eggs and eggshells from the Lourinhã Fm. (Upper Jurassic), Portugal. Comunicaҫões Geológicas, 101, Especial 1. Zaton, M., G. Niedzwiedzki and G. Pienkowski (2009). Gastropod Egg Capsules Preserved on Bivalve Shells from the Lower Jurassic (Hettangian) of Poland. Palaios, Vol.24. Oolithids - Cretaceous Cretaceous Oolithids - Africa/Middle East Gottfried, M.D., et al. (2004). Dinosaur Eggshell from the Red Sandstone Group of Tanzania. Journal of Vertebrate Paleontology, 24(2). Krassilov, V., et al. (2007). Insect eggs sets on angiosperm leaves from the Lower Cretaceous of Negev, Israel. Cretaceous Research, 28. Lawver, D.R., A.H. Rasoamiaramanana and I. Werneberg (2015). An Occurrence of Fossil Eggs from the Mesozoic of Madagascar and a Detailed Observation of Eggshell Microstructure. Journal of Vertebrate Paleontology, e973030. Cretaceous Oolithids - Asia/Malaysia/Pacific Islands Bajpai, S., S. Srinivasan and A. Sahni (1997). Fossil Turtle Eggshells from Infratrappean Beds of Duddukuru, Anhdra Pradesh. Journal Geological Society of India, Vol.49. Buffetaut, E., et al. (2005). Minute theropod eggs and embryo from the Lower Cretaceous of Thailand and the dinosaur-bird transition. Naturwissenschaften, 00, Short Communications. D*ng, Z.-M. and P.J. Currie (1996). On the discovery of an oviraptorid skeleton on a nest of eggs at Bayan Mandahu, Inner Mongolia, People's Republic of China. Can.J.Earth Sci., 33. Huh, M., et al. (2014). First record of a complete giant theropod egg clutch from Upper Cretaceous deposits, South Korea. Historical Biology, Vol.26, Number 2. Ji, Q., et al. (2004). Pterosaur egg with a leathery shell. Nature (Brief Communications), Vol.432. Johnston, P.A., D.A. Eberth and P.K. Anderson (1996). Alleged vertebrate eggs from Upper Cretaceous redbeds, Gobi Desert, are fossil insect (Coleoptera) pupal chambers: Fictovichnus new ichnogenus. Can.J. Earth Sci., 33. (Thanks to doushantuo for finding this one!) Khosla, A. and A. Sahni (1995). Parataxonomic Classification of Late Cretaceous Dinosaur Eggshells from India. Journal of the Palaeontological Society of India, Vol.40. Kim, J.Y., et al. (2011). Dinosaur Eggs from the Cretaceous Goseong Formation of Tongyeong City, Southern Coast of Korea. J.Paleont.Soc. Korea, Vol.27, Number 1. Lawver, D.R., et al. (2016). An Avian Egg from the Lower Cretaceous (Albian). Liangtoutang Formation of Zhejiang Province, China. Journal of Vertebrate Paleontology, e1100631. Liu, J.-Y., et al. (2013). A parataxonomic revision of spheroolithid eggs from the Upper Cretaceous Quantou Formation in Changtu, Liaoning. Vertebrata PalAsiatica, 51(4). Mikhailov, K.E. (2000). 28. Eggs and eggshells of dinosaurs and birds from the Cretaceous of Mongolia. In: The Age of Dinosaurs in Russia and Mongolia. Benton, M.J., et al. (eds.), Cambridge University Press. Mikhailov, K.E. (1996). New Genera of Fossil Eggs from the Upper Cretaceous of Mongolia. Paleontological Journal, Vol.30, Number 2. Mohabey, D.M. (1998). Systematics of Indian Upper Cretaceous Dinosaur and Chelonian Eggshells. Journal of Vertebrate Paleontology, 18(2). Norell, M.A., J.M. Clark and L.M. Chiappe (2001). An Embryonic Oviraptorid (Dinosauria: Theropoda) from the Upper Cretaceous of Mongolia. American Museum Novitates, Number 3315. Paik, I.S., H.J. kim. and M. Huh (2012). Dinosaur egg deposits in the Cretaceous Gyeongsang Supergroup, Korea: Diversity and paleobiological implications. Journal of Asian Earth Sciences, unpublished manuscript. Prasad, G.V.R., et al. (2015). Testudoid and crocodiloid eggshells from the Upper Cretaceous Deccan Intertrappean Beds of Central India. C.R. Palevol, 14. Sabath, K. (1991). Upper Cretaceous Amniotic Eggs from the Gobi Desert. Acta Palaeontologica Polonica, Vol.36, Number 2. Varricchio, D.J. and D.E. Barta (2015). Revisiting Sabath's "Larger Avian Eggs" from the Gobi Cretaceous. Acta Palaeontologica Polonica, 60(1). Vianey-Liaud, M., S.L. Jain and A. Sahni (1987). Dinosaur Eggshells (Saurischia) from the Late Cretaceous Intertrappean and Lameta Formations (Deccan, India). Journal of Vertebrate Paleontology, 7(4). Wang, Q., et al. (2013). New forms of dictyoolithids from the Tiantai Basin, Zhejiang Province of China and a parataxonomic revision of the dictyoolithids. Vertebrata PalAsiatica, 51(1). Wang, Q., et al. (2013). New turtle egg fossil from the Upper Cretaceous of the Laiyang Basin, Shandong Province, China. Annals of the Brazilian Academy of Sciences, 85(1). Wang, Q., et al. (2012). A new oofamily of dinosaur egg from the Upper Cretaceous Tiantai Basin, Zhejiang Province, and its mechanism of eggshell formation. Chinese Science Bulletin, Vol.57, Numbers 28-29. Wang, Q., et al. (2011). New Ootypes of Dinosaur Eggs from the Late Cretaceous in Tiantai Basin, Zhejiang Province, China. Vertebrata PalAsiatica, 49(4). Wang, Q., et al. (2010). A New Oogenus of Elongatoolithidae from the Upper Cretaceous Chichengshan Formation of Tiantai Basin, Zhejiang Province. Vertebrata PalAsiatica, 48(2). Wang, X.-l., et al. (2012). Dinosaur Egg Faunas of the Upper Cretaceous Terrestrial Red Beds of China and Their Stratigraphical Significance. Journal of Stratigraphy, Vol.36, Number 2. Zhang, S.-K. (2010). A Parataxonomic Revision of the Cretaceous Faveoloolithid Eggs of China. Vertebrata PalAsiatica, 48(3). Zhang, S.K. and Q. Wang (2010). A New Oospecies of Ovaloolithids from Turpan Basin in Xinjiang, China. Vertebrata PalAsiatica, 48(1). Zhao, H. and Z.-K. Zhou (1999). A New Form of Elongatoolithid Dinosaur Eggs from the Lower Cretaceous Shahai Formation of Heishan, Liaoning Province. Vertebrata PalAsiatica, 37(4). Zhou, H. and Z.-K. Zhou (1998). Dinosaur Eggs from Xichuan Basin, China. Vertebrata PalAsiatica, 36(4). Zhou, Z. and Z.-C. Li (1988). A New Structural Type of Dinosaur Eggs from Anlu County, Hubei Province. Vertebrata PalAsiatica,26(2). Zou, S.-L., Q. Wang and X.-L. Wang (2013). A new oospecies of parafaveoolithids from the Pingxiang Basin, Jiangxi Province, of China. Vertebrata PalAsiatica, 51(2). Cretaceous Oolithids - Europe (including Greenland and Siberia) Botfalvai, G., et al. (2017). Taphonomical and palaeoecological investigation of the Late Cretaceous (Maastrichtian) Tustea vertebrate assemblage (Romania, Hateg Basin) - insights into a unique dinosaur nesting locality. Palaeogeography, Palaeoclimatology, Palaeoecology, 268. Codrea, V., et al. (2002). Dinosaur egg nests, mammals and other vertebrates from a new Maastrichtian site of the Hateg Basin (Romania). C.R. Palevol, 1. Grellet-Tinner, G., et al. (2012). First Record of Reproductive Adaptation to "Island Effect" of a Dwarf Cretaceous Romanian Titanosaur, with Embryonic Integument In Ovo. PLoS One, 7(3). Grigorescu, D. (2016). The 'Tustea puzzle' revisited: Late Cretaceous (Maastrichtian) Megaloolithus eggs associated with Telmatosaurus hatchlings in the Hateg Basin. Historical Biology. Grigorescu, D. and Z. Csiki (2008). A New Site with Megaloolithid Egg Remains in the Maastrichtian of the Haṭeg Basin. Acta Palaeontologica Romaniae, v.6. Kohring, R. (1991). Lizard Egg Shells from the Lower Cretaceous of Cuenca Province, Spain. Palaeontology, Vol.34, Part 1. López-Martínez, N. (2000). Eggshell Sites from the Cretaceous-Tertiary Transition in South-Central Pyrenees (Spain). First International Symposium on Dinosaur Eggs and Babies, Extended Abstracts. López-Martínez, N. and E. Vicens (2012). A New Peculiar Dinosaur Egg, Sankofa pyrenaica Oogen.Nov. Oosp.Nov. from the Upper Cretaceous Coastal Deposits of the Aren Formation, South-Central Pyrenees, Lleida, Catalonia, Spain. Palaeontology, Vol.55, Part 2. Moreno-Azanza, M., J.I. Canudo and J.M. Gasca (2014). Spheroolithid eggshells in the Lower Cretaceous of Europe. Implications for eggshell evolution in ornithischian dinosaurs. Cretaceous Research, 51. Moreno-Azanza, M., J.I. Canudo and J.M. Gasca (2014). Unusual theropod eggshells from the Early Cretaceous Blessa Formation of the Iberian Range, Spain. Acta Palaeontologica Polonica, 59(4). Moreno-Azanza, M., et al. (2014). A re-evaluation of aff. Megaloolithidae eggshell fragments from the uppermost Cretaceous of the Pyrenees and implications for crocodylomorph eggshell structure. Historical Biology, Vol.26, Number 2. Sellés, A.G. (2012). Oological Record of Dinosaurs in South Central Pyrenees (SW Europe): Parataxonomy, Diversity and Biostratigraphical Implications. Ph.D. Thesis - Universitat de Barcelona. Sellés, A.G. and B. Vila (2015). Re-evaluation of the age of some dinosaur localities from the southern Pyrenees by means of megaloolithid oospecies. Journal of Iberian Geology, 41(1). Sellés, A.G., et al. (2013). Dinosaur Eggs in the Upper Cretaceous of the Coll de Nargo area, Lleida Province, south-central Pyrenees, Spain: Oodiversity, biostratigraphy and their implications. Cretaceous Research, 40. Zaton, M.and A.A. Mironenko (2015). Gastropod egg capsules preserved on an Early Cretaceous ammonite from Daghestan, Russia. Cretaceous Research, 55. Zaton, M., A.A. Mironenko and K. Banasik (2017). Gastropod egg capsules from the Lower Cretaceous of Russia preserved by calcitation. Palaeogeography, Palaeoclimatology, Palaeoecology, 466. Zaton, M., P.D. Taylor and J.W.M. Jagt (2013). Late Cretaceous gastropod egg capsules from the Netherlands preserved by bioimmuration. Acta Palaeontologica Polonica, 58(2). Cretaceous Oolithids - North America Horner, J.R. (1999). Egg Clutches and Embryos of Two Hadrosaurian Dinosaurs. Journal of Vertebrate Paleontology, 19(4). Lawver, D.R, and F.D. Jackson (2016). An accumulation of turtle eggs with embryos from the Campanian (Upper Cretaceous) Judith River Formation of Montana. Cretaceous Research, accepted manuscript. Varricchio, D.J. and F.D. Jackson (2004). A Phylogenetic Assessment of Prismatic Dinosaur Eggs from the Cretaceous Two Medicine Formation of Montana. Journal of Vertebrate Paleontology, 24(4). Varricchio, D.J., J.R. Horner and F.D. Jackson (2002). Embryos and Eggs for the Cretaceous Theropod Dinosaur Troodon formosus. Journal of Vertebrate Paleontology, 22(3). Zelenitsky, D.K. and F. Therrien (2008). Unique Maniraptoran Egg Clutch from the Upper Cretaceous Two Medicine Formation of Montana Reveals Theropod Nesting Behaviour. Palaeontology, Vol.51, Part 6. Zelenitsky, D.K., et al. (2008). First fossil gravid turtle provides insight into the evolution of reproductive traits in turtles. Biol. Lett., 4. Cretaceous Oolithids - South America/Central America/Caribblean Chiappe, L.M., et al. (2004). Argentinian unhatched pterosaur fossil. Nature (Brief Communications), Vol.432. Fernández, M.S., et al. (2013). 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). Grellet-Tinner, G. and H. Zaher (2007). 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Daniacopros hofstedtae, Ichnogen. et Ichnosp.nov., A New Vertebrate Coprolite Ichnotaxon from the Lower Danian Stevns Klint Formation of the Hammelev Limestone Quarry, Denmark. In: Fossil Record 5. Sullivan, R.M. and S.G. Lucas (eds.), New Mexico Museum of Natural History, Bulletin 74. Coprolites - Eocene Diedrich, C.G. and H. Felker (2012). Middle Eocene Shark Coprolites from Shallow Marine and Deltaic Coasts of the Pre-North Sea Basin in Central Europe. In: Vertebrate Coprolites. Hunt, et al. (eds.), New Mexico Museum of Natural History and Science, Bulletin 57. Lucas, S.G., et al. (2012). Crocodylian Coprolites from the Eocene of the Zaysan Basin, Kazakstan. In: Vertebrate Coprolites. Hunt, et al. (eds.), New Mexico Museum of Natural History and Science, Bulletin 57. Robin, N., et al. (2016). Scale insect larvae preserved in vertebrate coprolites (Le Quesnoy, France, Lower Eocene): paleoecological insights. Sci.Nat., 103: 85. Coprolites - Miocene Godfrey, S.J. and J.B. Smith (2010). Shark-bitten vertebrate coprolites from the Miocene of Maryland. Naturwissenschaften, 97. Pesquero, M.D., et al. (2014). Calcium phosphate preservation of faecal bacteria negative moulds in hyaena coprolites. Acta Palaeontologica Polonica, 59(4). Sharma, K.M. and R. Patnaik (2010). Coprolites from the lower Miocene Baripada beds of Orissa. Current Science, Vol.99, Number 6. Coprolites - Pliocene Harrison, T. (2011). Chapter 14. Coprolites: Taphonomic and Paleoecological Implications. In: Paleontology and Geology of Laetoli: Human Evolution in Context. Volume 1: Geology, Geochronolgy, Paleoecology and Paleoenvironment. Harrison, T. (ed.), Vertebrate Paleobiology and Paleoanthropology, Springer Science + Business Media B.V. Hunt, A.P., S.G. Lucas and A.J. Lichtig (2015). A Helical Coprolite from the Red Crag Formation (Plio-Pleistocene) of England. In: Fossil Record 4. Sullivan, R.M. and S.G. Lucas (eds.) New Mexico Museum of Natural History and Science, Bulletin 67. Coprolites - Pleistocene Pleistocene Coprolites - Africa/Middle East Bamford, M.K., et al. (2010). Botanical remains from a coprolite from the Pleistocene hominin site of Malapa, Sterkfontein Valley, South Africa. Palaeont.afr., 45. Carrión, J.S., et al. (2000). Palynology and palaeoenvironment of Pleistocene hyaena coprolites from an open-air site at Oyster Bay, Eastern Cape coast, South Africa. South African Journal of Science, 96. Djamali, M., et al. (2011). Pollen analysis from coprolites from a late Pleistocene-Holocene cave deposit (Wezmeh Cave, west Iran): insights into the late Pleistocene and late Holocene vegetation and flora of the central Zagros Mountains. Journal of Archaeological Science, 38. Scott, L., E. Marais and G.A. Brook (2004). Fossil hyrax dung and evidence of Late Pleistocene and Holocene vegetation types in the Namib Desert. Journal of Quaternary Science, 19(8). Pleistocene Coprolites - Australia/New Zealand Wood, J.R. and J.M. Wilmshurst (2014). Late Quaternary terrestrial vertebrate coprolites from New Zealand. Quaternary Science Reviews, 98. Wood, J.R. and J.M. Wilmshurst (2013). Pollen analysis from coprolites reveals dietary details of heavy-footed moa (Pachyornis elephantopus) and coastal moa (Euryapteryx curtus) from Central Otago. New Zealand Journal of Ecology, 37(1). Pleistocene Coprolites - Europe (including Greenland and Siberia) Alcover, J.A., et al. (1999). The diet of Myotragus balearicus Bate, 1909 (Artiodactyla: Caprinae), an extinct bovid from the Balearic Islands: evidence from coprolites. Biological Journal of the Linnean Society, 66. Argant, J. and V. Demitrijevic (2007). Pollen analyses of Pleistocene hyaena coprolites from Montenegro and Serbia. Annales Geologiques de la Peninsule Balkanique, 68. Carrión, J.S., et al. (2007). Pleistocene landscapes in central Iberia inferred from pollen analysis of hyena coprolites. Journal of Quaternary Science, 22(2). Carrión, J.S., et al. (2005). Palynology of badger coprolites from central Spain. Palaeogeography, Palaeoclimatology, Palaeoecology, 226. Diedrich, C.G. (2012). Topology of Ice Age Spotted Hyena Crocuta crocuta spelaea (Goldfuss, 1823) Coprolite Aggregate Pellets from the European Late Pleistocene and Their Significance at Dens and Scavenging Sites. In: Vertebrate Coprolites. Hunt, et al. (eds.), New Mexico Museum of Natural History and Science, Bulletin 57. Lewis, M.D. (2011). Pleistocene Hyaena Coprolite Palynology in Britain: Implications for the Environments of Early Humans. In: The Ancient Human Occupation of Britain. Ashton, N., S.G. Lewis and C. Stringer (eds.), Developments in Quaternary Science, Amsterdam: The Netherlands. Sanz, M., et al. (2016). Not only hyenids: A multi-scale analysis of Upper Pleistocene carnivore coprolites in Cova del Coll Verdaguer (NE Iberian Peninsula). Palaeogeography, Palaeoclimatology, Palaeoecology, 443. Reumer, J., D. Mol and W. Borst (2010). The first Late Pleistocene coprolite of Crocuta crocuta spelaea from the North Sea. DEINSEA, 14. Welker, F., et al. (2014). Analysis of coprolites from the extinct mountain goat Myotragus balearicus. Quaternary Research, 81. Pleistocene Coprolites - North America Gill, F.L., et al. (2009). Lipid analysis of a ground sloth coprolite. Quaternary Research, 72. Poinar, H.N., et al. (2003). Nuclear Gene Sequences from a Late Pleistocene Sloth Coprolite. Current Biology, Vol.13. Poinar, H.N., et al. (1998). Molecular Coproscopy: Dung and Diet of the Extinct Ground Sloth Nothrotheriops shastensis. Science, Vol.281. General Pleistocene Coprolites Bon, C., et al. (2012). Coprolites as a source of information on the genome and diet of the cave hyena. Proc.R.Soc. B, Published online. General Coprolites (Feces) Chame, M. (2003). Terrestrial Mammal Feces: a Morphometric Study and Description. Mem.Inst.Oswaldo Cruz, Vol.98(Suppl.1). Chase, B.M., et al. (2012). Rock hyrax middens: a palaeoenvironmental archive for southern African drylands. Quaternary Science Reviews, 56. Chin, K. (2002). Analysis of Coprolites Produced by Carnivorous Vertebrates. Paleontological Society Papers, Vol.8. Duffin, C.J. (2009). "Records of warfare...embalmed in the everlasting hills": a History of Early Coprolite Research. Mercian Geologist, 17(2). Hunt, A.P. and S.G. Lucas (2013). The Significance of Vertebrate Coprolites in Late Paleozoic (and Younger) Lagerstatten. In: The Carboniferous-Permian Transition. Lucas, S.G., et al. (eds.). New Mexico Museum of Natural History and Science, Bulletin 60. Hunt, A.P. and S.G. Lucas (2012). Classification of Vertebrate Coprolites and Related Trace Fossils. In: Vertebrate Coprolites. Hunt, et al. (eds.), New Mexico Museum of Natural History and Science, Bulletin 57. Hunt, A.P. and S.G. Lucas (2012). Descriptive Terminology of Coprolites and Recent Feces. In: Vertebrate Coprolites. Hunt, et al. (eds). New Mexico Museum of Natural History and Science, Bulletin 57. Hunt, A.P. and S.G. Lucas (2012). A Bromalite Collection at the National Museum of Natural History (Smithsonian Institution), With Descriptions of New Ichnotaxa and Notes on Other Significant Coprolite Collections. In: Vertebrate Coprolites. Hunt, et al. (eds.) New Mexico Museum of Natural History and Science, Bulletin 57. Hunt, A.P., et al. (2012). Vertebrate Coprolite Studies: Status and Prospectus. In: Vertebrate Coprolites. Hunt, et al. (eds.), New Mexico Museum of Natural History and Science, Bulletin 57. Hunt, A.P., et al. (2012). Vertebrate Coprolites and Other Bromalites in National Park Service Areas. In: Vertebrate Coprolites. Hunt, et al. (eds.), New Mexico Museum of Natural History and Science, Bulletin 57. Johnson, K.L., et al. (2008). A Tick from a Prehistoric Arizona Coprolite. The Journal of Parasitology, Vol.94, Number 1. Kulkarni, K.G. and R. Panchang (2015). New Insights into Polychaete Traces and Fecal Pellets: Another Complex Ichnotaxon? PLoS ONE, 10(10). (Thanks to doushantuo for finding this one!) McAllister, J.A. (1985). Reevaluation of the Formation of Spiral Coprolites. The University of Kansas Paleontological Contributions, Paper 114. Rawlence, N.J., et al. (2016). Dietary interpretations for extinct megafauna using coprolites, intestinal contents and stable isotopes: Complementary or contradictory? Quaternary Science Reviews, 142. Reinhard, K.J. and V.M. Bryant (1992). Coprolite Analysis: A Biological Perspective on Archaeology. Papers in Natural Resources, Paper 46. Scott, L., et al. (2003). Preservation and interpretation of pollen in hyaena coprolites: taphonomic observations from Spain and southern Africa. Palaeont. afr., 39. Thulborn, R.A. (1991). Morphology, preservation and palaeobiological significance of dinosaur coprolites. Palaeogeography, Palaeoclimatology, Palaeoecology, 83. Williams, M.E. (1972). The Origin of "Spiral Coprolites". The University of Kansas Paleontological Contributions, Paper 59. Wings, O. (2012). Gastroliths in Coprolites - A Call to Search. In: Vertebrate Coprolites. Hunt, et al. (eds.), New Mexico Museum of Natural History and Science, Bulletin 57. Wood, J.R. and J.M. Wilmshurst (2016). A protocol for subsampling Late Quaternary coprolites for multi-proxy analysis. Quaternary Science Reviews, 138. Wood, J.R., et al. (2013). Resolving lost herbivore community structure using coprolites of four sympatric moa species (Aves: Dinornithiformes). PNAS, Early Edition. Wood, J.R., et al. (2012). High-Resolution Coproecology: Using Coprolites to Reconstruct the Habits and Habitats of New Zealand's Extinct Upland Moa (Megalapteryx didinus). PLoS ONE, 7(6).
  15. EGG Fossil Identification

    I found this opposite my house and thought it looked like a fossilised egg? Helps appreciated thanks
  16. Egg Fossil?

    Location Cikembang Beach, Sukabumi, West Java, Indonesia. Looks like an egg in size and shape. What could this be? Thanks.
  17. What is this?

    A few months ago I was helped here to identify a clam fossil and now near the same area I have found this. It doesn't match any images that I have found searching. Thank you.
  18. Fossil or not?

    Found in an old railyard. I don’t know much about fossils, I just pick up cool rocks.
  19. Preparation Oviraptor Egg

    On your advice that the best method of preparation of an Oviraptor egg is Air abrasion, i bought me a sandblaster. I have also used my air scribe and bought a slightly cheaper egg for testing the method. After some time I finished the prepared of the egg. I hope you like it? Here is the unprepared egg: and after the preperation:
  20. Fossilized Egg?

    My grandfather recently passed away and had this on his work bench since the late 70s' I was told by my uncle it was found while he was building a large building at the time in central California. Was told its a petrified platypus egg. Just wondering if anyone can shed a little light on it.
  21. What is this?

    My dad claims this is a dinosaur egg. I'm just wondering if his claims are true! Says a general in China "re appropriated a couple" from Henan Province when they dug up a bunch! Much Thanks :D.
  22. Probably not an egg

    A gentleman asked for help identifying this and told me he found it near Mt. Pleasant, TX. Based off images on the internet he thought it might be a fossilized egg. He was NOT willing to break it open. I forgot to include something in the photo for scale, but it's about 5" across the long side. He's asked me to call him when I find out more information. My first thought was a geode. Members of the Dallas Paleontological Society's Facebook group said an iron or limonite concretion. What features differentiate this from a fossilized egg?
  23. Some Dinosaurs laid blue eggs

    And I'm not talking about that blue little dinosaur that hangs out in your backyard... Dinosaurs Laid Blue Eggs—And That's a Big Deal - National Geographic LINK
  24. We get a lot of posts on TFF on eggs which mostly turn out to be geologic specimens. So I thought I would post a real Oligocene bird egg and some eggshells from my sons’ Nebraska ranch. The egg and eggshells are from the Scenic Member of the Brule Formation. Here is one of three complete bird eggs that my sons have found on the ranch in 2016 and 2017. This egg, found by my son Mel, is around 2 ½ inches long. I’ve found a large number of eggshell pieces in the anthill matrix that I’ve been taking from the ranch during the last two years. I’ve found eggshells in all 18 areas of the 360 acre ranch where I took anthill matrix. I was really surprised about how common the eggshells are throughout the ranch especially with the fact that I didn’t find bird bones. A good number of eggshell specimens from my September 2016 trip to the ranch have just been given to an eggshell researcher. I’m really looking forward to her opinions on them. I’ve been assuming that they are all bird eggshells. I again found a large number of eggshell specimens from anthill matrix from my May 2017 trip to the ranch. Below are close-up pictures of an individual eggshell specimen which is 5mm by 3 mm by 1mm thick. Outside of eggshell (note a good number of pieces have this pattern but there were a number of other distinctive patterns on the outside): Inside of eggshell (note the inside of all specimens pretty much looked like this): Cross section of eggshell (note the very thin white outer layer): Below are a number of eggshell specimens from my May 2017 trip. For size reference the gem jar cups are 1 ¾ inches in diameter. The specimens in each cup are from a different area of the ranch. Some eggshells have the outside of the eggshell face up and some have the inside of the eggshell face up. A few eggshells are missing that thin outer layer of eggshell. Note that there are several distinct patterns on the outer eggshells. Marco Sr.
  25. Desert find

    I found this piece out here in the NM desert while walking our dogs.....we are the only ones that live out here so I'm not sure how this got here...or has it always been here under the sand?Can anyone tell me if this is anything?It looks like a turtle egg but is solid