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Found 40 results

  1. Dinosaur eggs from Guizhou

    Are these dinosaur eggs? They are from Guizhou, China. About 18cm long. Possibly eggs of Sauropods?
  2. Every day I look through a collection of websites and online auctions for any good deals on dinosaur fossils. Occasionally a real steal of a deal is found, but when it comes to eggs most of what I see is fake. Counterfeit dinosaur eggs are continually found, mostly being sold by the same sellers from China and Malaysia. I personally fell for this trap last year and spent a lot of money on "eggs" that were man made. This is a topic that is brought up every few months on this thread to warn fellow collectors and I think its time again to repost what many others have posted before. There was a good short article that was written by Bill Merz and distributed at last year's Tucson Gem and Mineral Show where he points out some of the most common examples of mass manufactured fake eggs.
  3. 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). Taxonomic Identification of the Megaloolothid Egg and Eggshells from the Cretaceous Bauru Basin (Minas Gerais, Brazil): Comparison With the Auca Mahuevo (Argentina) Titanosaurid Eggs. Papeis Avulsos de Zoologica, Vol.47(7). Grellet-Tinner, G., et al. (2014). The first pterosaur 3-D egg: Implications for Pterodaustro guinazui nesting strategies, an Albian filter feeder pterosaur from central Argentina. Geoscience Frontiers, 5. Hechenleitner, E.M., et al. (2016). A New Upper Cretaceous Titanosaur Nesting Site from La Rioja (NW Argentina), With Implications for Titanosaur Nesting Strategies. Palaeontology. Hechenleitner, E.M., et al. (2016). Micro-CT scan reveals an unexpected high-volume and interconnected pore network in a Cretaceous Sanagasta dinosaur eggshell. J.R.Soc. Interface, 13:20160008. Marsola, J.C. de A.,. et al. (2016). Palaeoenvironmental characterization of a crocodilian nesting site from the Late Cretaceous of Brazil and the evolution of crocodyliform nesting strategies. Palaeogeography, Palaeoclimatology, Palaeoecology, 457. Marsola, J.C. de A., et al. (2014). The first Pan-Podocnemididae turtle egg from the Presidente Prudente Formation (Late Cretaceous, Bauru Group), Brazil. Zootaxa, 3872(2). Marsola, J.C. de A., et al. (2014). The first fossil avian egg from Brazil. Alcheringa, 38, xxx-xxx. Oliveira, C.E.M., et al. (2011). Crocodylomorph Eggs and Eggshells from the Adamantina Formation (Bauru Group), Upper Cretaceous of Brazil. Palaeontology, Vol.54, Part 2. Salgado, L., et al. (2007). Upper Cretaceous dinosaur nesting sites of Rio N*gro (Salitral Ojo de Agua and Salinas de Trapalco-Salitral de Santa Rosa), northern Patagonia, Argentina. Cretaceous Research, 28. Schweitzer, M.H., et al. (2002). Late Cretaceous Avian Eggs With Embryos From Argentina. Journal of Vertebrate Paleontology, 22(1). General Cretaceous Oolithids Balanoff, A.M., et al. (2008). 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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).
  4. Dinosaur Egg?

    I recently had a friend buy an "oviraptor egg" at auction. I've never handled fossilized eggs myself but had the feeling this may not be the real deal and was hoping for some input. They were told the egg was Mongolian and had paperwork to accompany it. Any help would be greatly appreciated. Thank you.
  5. Found this rock while hunting on the historic railroad trail in Madison, Indiana. Found a lot of coral and shell fossils in the area.
  6. What the heck did I find?

    Found this on the side slope of an old road cut near the Cheyenne River in western South Dakota this morning...my first thought was turtle but after looking at fossilized turtle pics on line I don't think so. Could it be a dinosaur egg? It is about 18" long by 12" wide. When I grasped it and pulled on it it started separating into chunks as you can see in the second photo, and what looks like it could be the outer shell started separating from the outer portion (some pieces can be seen in the dirt to the right of the fossil(?) in question. Any help with ID would be greatly appreciated. Thanks!
  7. possible dinosaur egg

    Hoping someone can help me determine if this is a dinosaur egg?
  8. Hello members! I recently purchased my first dinosaur egg. Could you please help me identify it's authenticity? It was sold as a Hadrosaur egg. Thank you all so much!!
  9. Eu vi esse fóssil ovo de dinossauro, e eu estou querendo saber se é real. Por favor, eu gostaria que seus pensamentos sobre este assunto! Obrigado a todos que pode me ajudar!
  10. Whole dinosaur eggs are highly sought-after fossils. The ones usually available to collectors are Hadrosaur eggs, Oviraptor eggs and Segnosaur eggs from China. This thread deals specifically with hadrosaur eggs. Hadrosaur eggs (Dendroolithus sp.) as we know from the market are in fact various dinosaur species, often hadrosaurid (many collectors/dealers lack the tools or discipline to examine eggshells under microscopes or have accredited museums examine them). Commercially available eggs vary greatly in price, anything from 150 USD to 1,500 USD depending on quality, size, hatched/unhatched and prep work. They usually range from 3.5 inches to 7 inches in diameter, and are mostly hatched types (which means the egg is in fact empty. If you prep out the bottom matrix, chances are it's hollow). However, hadrosaur eggs are also one of the most commonly faked, or mistaken fossils in the world. Anything from pieces of rock, pebbles, septarian nodules, concretions, or even chemically-etched objects are sold as eggs. There are several online right now. Here are examples of false hadrosaur eggs we often see in the market. Here are examples of partial/composite hadrosaur eggs (Note these ones are real to an extent. They can be a more economical choice as long as you know what you are getting).
  11. Found these online. I suspect they're fakes. Beware. Not surprising if they are fake, besides, they're from China. (not saying that all fossils being sold from China are fake.)
  12. Some of you may know me to be an avid dinosaur-egg collector. Sadly, most eggs these days come only from China or European countries. Recently, I was lucky enough to acquire a North American dinosaur egg - A Maiasaura peeblesorum egg from Browning, Montana. This hatched egg dates to the late Cretaceous, and is inflated unlike other eggs from that area. Maiasaura is the very picture of motherly dinosaurs and nesting behavior; this egg is thus one of my favorite fossils.
  13. Segnosaurus egg?

    Hello fellow dinosaur enthusiasts! I'm currently bidding on a what they say is an Segnosaurus egg on a website. I contacted the person and she said he bought it years ago also on a website. Now is the thing she doesn't have an proof of authentication and if I look around the internet all the other Segnosaurus eggs have more smooth shells. But this might be that it was found in a different type of soil. According to her the egg was found in Xixia, China. I hope one of you guys can shed a light on this if this is an authentic egg or not.
  14. Dinosaur egg or not?

    I think I discovered what looks like a fossilized egg. I have included a few pics, hope they help with an ID! Thanks in advance
  15. dinosaur egg???

    hi guys i love to hunt fossils and minerals, found this peculiar egg? help identify, if you need more info or pics, thanks
  16. Dinosaur egg? Species? Just curious.

    Egg came from China (unfortunately I don't have a specific area). It came from the Cretaceous time period. Dimensions (Length x Width x height) The fossil is 12cm (~5in) x 10cm (~4in) x 10cm and weighs 2.5kg. I'm not sure what kind of species this came from however I'm curious if anyone can tell me from the pictures. Either way I'm glad I have a fossil egg of some kind even though I may not know what species it is. (I'm also I little worried that it may not be an egg at all as people do mistake fossil eggs quite commonly. However I can get a full refund so no worries).
  17. Segnosaur Egg (Spheroolithus sp.)

    From the album Dinosaur Eggs

    A Segnosaur egg from Henan Province of China - one of the finest egg in my collection
  18. Partial sauropod egg

    From the album Dinosaur Eggs

    A partial sauropod egg from Djadokhta formation of the Gobi Desert, prepped by Mike Holmes
  19. From the album Dinosaur Eggs

    71 - 66 mya, Nanxiong Formation, Guangdong Province, China, 8.78 inches, (Note: Has composited eggshells)
  20. Protoceratops Egg?

    I just acquired what looks to be a very unusual egg. This single egg comes detached from a clutch of upright eggs in an antique shop in Singapore; owner would not reveal where it origins from. The egg is white, and covered in reddish-sand matrix that can be scrapped off with a needle. This egg measures 7.66 cm long (I lack measurement of the nest, owner wouldn't let me take more pics). My first thought were that these are Troodon eggs, as "upright eggs" are a characteristic of troodon eggs as far as I know. 1) Thomas(Tom) Kapitany said these looks like it came from China. He didn't personally give it an ID, but mentioned he had seen these identified as Protoceratops before. 2) Seth Sorenson said there's no way to confirm it as Troodon without skeletal material, but he said they look like small ceratopsian eggs to him. He also mentioned Protoceratops eggs have been found in standing clutches before. 3) Laogao, a fossil egg expert from China said this looks like Troodon eggs from Henan. 4) Dr. Kenneth Carpenter said these are most likely theropod eggs of the Elongatoolithus(egg oogenera) family. Without microscopic examination or confirmation of their origin, he could not give any further identification though. With such little information, I am aware there's no way to give a definitive ID of the dinosaur that laid these eggs. I'd still like to ask for your opinions though on what you believe this egg might be.
  21. Oviraptor Egg (Elongatoolithus sp.)

    From the album Dinosaur Eggs

    My Lowell-prepped Oviraptor egg. Crushed but still lovable!
  22. Small Hadrosaurid egg

    From the album Dinosaur Eggs

    A mysterious dinosaur egg from the late Cretaceous of China. Supposedly a small hadrosaurid, but still lacking a proper ID.
  23. Titanosaur egg from Rio Negro

    From the album Dinosaur Eggs

    A very rare partial Titanosaur egg from Allen Formation, Rio ######, Argentina
  24. From the album Dinosaur Eggs

    A pair of Titanosaur egg partials from Auca Mahuevo of Patagonia - an area known for yielding many prized egg remains
  25. I saw a clutch of eggs today in a local flea market and took a look at it and saw quite an interesting texture on it. I have seen pictures and handled a few Hadrosaur eggs before, and I am not familiar with this kind of texture and feel and so I took a few photos to share to ask some egg experts here if this is common for a Hadrosaur Egg to look like this? Or is the specimen possibly a fake? Here are the pictures of the specimen: