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Found 12 results

  1. Pathology ray teeth?

    Is there such a thing as pathological ray like there is shark teeth?
  2. Pathological crown

    From the album Eocene vertebrates of Ukraine

    Pathological Striatolamia lateral crown
  3. I'm looking for some information on predation of Stylemys, I can't seem to find any information on it, other than "tortoises are often found with damage from alligators" Thanks in advance
  4. that hurt!

    NATU!!!SchoeClarksrgrep40330.pdf No outtakes,the journal and authors speak for themselves. PS:fairly recent(2017)
  5. my back hurts

    kompanosteolpatholcetacZM73_099-130.pdf well illustrated
  6. Madagascar ammonite crushing?

    Can someone tell me about the crushing that is seen in the walls of this ammonites chambers? Its odd to me that in the areas where the entire wall is gone, the geode/vug areas still occur as you would expect them to with chambers? I picked this up for $10 after noticing the crushing, because I don't have any like that in my collection
  7. Pathological Brachiopods!

    Last May, my husband and I went collecting in the Cincinnati, OH area while on vacation. I was largely focusing on collecting microfossil matrix, while he was looking for interesting macro specimens. I asked him to collect a bag of the small brachiopods that were everywhere around where we were hunting. He gathered a few dozen pieces, and when I cleaned them off, I noticed a few odd ones. First, the normal examples. Cincinnetina meeki (Miller): And it looks like two photos at this resolution and size is the limit per post. More to come!
  8. Pathological Conodont?!

    I have a few dozen conodonts that I'm in the process of photographing and mounting for storage. Among my collection, I have several Polygnathus linguiformis examples. Last night, I mounted two P. linguiformis on my "Conodonts II" storage card. This one caught my attention: That pale growth on the underside struck me as odd, especially compared to the other P. linguiformis that I handled last night: So I went to look at the P. linguiformis that I'd previously mounted. Here are 3 of the 4 for comparison: I also looked at the page in "Conodonts from the Genesee Formation in Western New York" that shows a number of P. linguiformis for further comparison. While several show liplike growths on the back, none are quite as pronounced as the first specimen I showed here. I'd be curious to see what other collectors think about this set. Do I have a pathology, or is this an element from a really old individual?
  9. This a whale cervical vertebra that was given to me 10-12 years ago. It is from the Middle Miocene Sharktooth Hill Bonebed (probably Bob Ernst's old "Whale Quarry" judging by the preservation). You will notice an unusual trough-like depression (perhaps 3-4mm at its deepest) in the bone surface. For years, I thought it was a bite mark though it seemed like a weird one. Then, a couple of years ago, I found this publication: Thomas, H.W., Barnes, L.G., Klein, J.E, and S.A. McLeod. 2008. Examples of paleopathologies in some fossil Cetacea from the North Pacific realm. In Wang, X. and L.G. Barnes (eds.).. Geology and Vertebrate Paleontology of Western and Southern North America. Contributions in Honor of David p. Whistler. Science Series. 41. Natural History Museum of Los Angeles County. After looking at the various patholigies figured in that article, I think the depression is a pathology. It is too smooth to be a tool mark from the time it was dug out. A force strong enough to leave a mark like that would have shattered the bone of this preservation (rather fragile, ceramic-like quality) to some very noticeable degree. Maybe someone else has seen or studied something similar?
  10. 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 July 22, 2018. Ichnofossils (Trace Fossils) Ediacaran/Cambrian Boundary Droser, M.L., S. Jensen and J.G. Gehling (2002). Trace fossils and substrates of the terminal Proterozoic-Cambrian transition: Implications for the record of early bilaterans and sediment mixing. PNAS, Vol.99, Number 20. Jensen, S. and T. Palacios (2016). The Ediacaran-Cambrian trace fossil record in the Central Iberian Zone, Iberian Peninsula. Comunicacoes Geologicas, 103, Special 1. Laing, B.A., et al. (2018). Gyrolithes from the Ediacaran-Cambrian boundary section in Fortune Head, Newfoundland, Canada: Exploring the onset of complex burrowing. Palaeogeography, Palaeoclimatology, Palaeoecology, xxx. (Article in press) Parry, L.A., et al. (2017). Ichnological evidence for meiofaunal bilaterians from the terminal Ediacaran and earliest Cambrian of Brazil. Nature Ecology & Evolution, Vol.1. Raina, B.K., et al. (1983). ?Precambrian - Low Lower Cambrian Ichnofossils from the Lolab Valley, Kashmir Himalaya, India. Journal of the Palaeontological Society of India, Vol.28. Shahkarami, S., M.G. Mangano and L.A. Buatois (2017). Ichnostratigraphy of the Ediacaran-Cambrian boundary: new insights on lower Cambrian biozonations from the Soltanieh Formation of Northern Iran. Journal of Paleontology, 91(6). Srivastava, P. (2012). Treptichnus pedum: An Ichnofossil Repesenting Ediacaran - Cambrian Boundary in the Naguar Group, the Marwar Supergroup, Rajasthan, India. Proc. Indian natn.Sci.Acad., 78, Number 2. Cambrian Cambrian Ichnofossils - Africa/Middle East Mangano, M.G., et al. (2013). Exploring the aftermath of the Cambrian explosion: The evolutionary significance of marginal- to shallow-marine ichnofaunas of Jordan. Palaeogeography, Palaeoclimatology, Palaoecology, 374. Oukassou, M., et al. (2017). Middle to late Cambrian shallow marine trace fossils from the Imfout Syncline (Western Meseta, Morocco): Palaeoecological and palaeoenvironmental significance in NW-Gondwana. Journal of African Earth Sciences, 129. Cambrian Ichnofossils - Asia/Malaysia/Pacific Islands Lin, J-P., et al (2010). Bioturbation in Burgess Shale-type Lagerstatten - Case study of trace fossil-body fossil association from the Kaili Biota (Cambrian Series 3), Guizhou, China. Palaeogeography, Palaeoclimatology, Palaeoecology, 292. Parcha, S.K., B.P. Singh and B.P. Singh (2005). Palaeoecological significance of ichnofossils from the Early Cambrian succession of the Spiti Valley, Tethys Himalaya, India. Current Science, Vol.88, Number 1. Rai, V. (1987). Additional Trace Fossils from the Tal Formation (Early Cambrian) Mussoorie Hills, Uttar Pradesh, India. Journal of the Palaeontological Society of India, Vol.32. Raina, B.K., et al. (1983). ?Precambrian - Low Lower Cambrian Ichnofossils from the Lolab Valley, Kashmir Himalaya, India. Journal of the Palaeontological Society of India, Vol.28. Singh, B.P. (2009). Integrated Ichnological and Sedimentological Studies of the Parahio Formation (Cambrian) of the Zanskar Region (Zanskar-Spiti Basin), Northwest Himalaya. Journal Geological Society of India, Vol.74. Singh, B.P., et al. (2017). Treptichus Ichnogenus from the Cambrian of India and Bhutan: Its Relevance to the Precambrian-Cambrian Boundary. Journal of the Palaeontological Society of India, Vol.62(1). Tiwari, M., et al. (2013). Ichnology of the Early Cambrian Tal Group, Mussoorie Syncline, Lesser Himalaya, India. J. Earth Syst.Sci., 122, Number 6. Upadhyay, R. and S.K. Parcha (2012). Ichnofossils from the Jadhganga (Nelang) valley, Uttarakashi district, Garhwal Tethys Himalaya, India. Himalayan Geology, Vol.33(1). Weber, B., et al. (2012). A diverse ichnofauna from the Cambrian Stage 4 Wulongqing Formation near Kunming (Yunnan Province, South China). Bulletin of Geosciences, 87(1). Zhang, L.-J., et al. (2017). Middle Cambrian Diplocraterion parallelum from North China: Ethologic significance and facies controls. Bollettino della Societa Paleontologica Italiana, 56(2). Zhang, X., W. Liu and Y. Zhao (2008). Cambrian Burgess Shale-type Lagerstatten in South China: Distribution and significance. Gondwana Research, 14. Cambrian Ichnofossils - Europe (including Greenland and Siberia) Gamez Vintaned, J.A., et al. (2006). Trace and soft body fossils from the Pedroche Formation (Ovetian, Lower Cambrian of the Sierra de Cordoba, S. Spain) and their relation to the Pedroche event. Geobios, 39. Jensen, S. and T. Palacios (2016). The Ediacaran-Cambrian trace fossil record in the Central Iberian Zone, Iberian Peninsula. Comunicacoes Geologicas, 103, Special 1. Jensen, S. and K. Mens (2001). Trace Fossils Didymaulichnus cf. tirasensis and Monomorphichnus isp. from the Estonian Lower Cambrian, With a Discussion on the Early Cambrian Ichnocoenoses of Baltica. Proc.Estonian Acad.Sci.Geol., 50(2). Jensen, S. and S.W.F. Grant (1998). Trace fossils from the Dividalen Group, northern Sweden: implications for Early Cambrian biostratigraphy of Baltica. Norsk Geologisk Tidsscrift, Vol.78. Mikuláš, R. (1995). Trace Fossils from the Paseky Shale (Early Cambrian, Czech Republic). Journal of the Czech Geological Society, 40/4. Mikuláš, R., J. Valicek, and M. Szabad (2002). New finds of ichnofossils from the Middle Cambrian of the Barrandian Area (Czech Republic). Bulletin of the Czech Geological Survey, Vol.77, Number 1. Orlowski, S. (1989). Trace Fossils in the Lower Cambrian Sequence in the Swietokrzyskie Mountains, Central Poland. Acta Palaeontologica Polonica, 34(3). Orlowski, S. and A. Zylinska (1996). Non-arthropod burrows from the Middle and Late Cambrian of the Holy Cross Mountains, Poland. Acta Palaeontologica Polonica, 41(4). Orlowski, S., A. Radwanski and P. Roniewicz (1971). Ichnospecific variability of the Upper Cambrian Rusophycus from the Holy Cross Mts. Acta Geologica Polonica, Vol.21, Number 3. Pillola, G.L., et al. (1994). The Lower Cambrian ichnospecies Austropolichnus hispanicus: palaeoenvironmental and palaeogeographic significance. In: Studies on Ecology and Paleoecology of Benthic Communities. Matteucci, R., et al. (eds.), Boll.Soc.Paleont.Ital., Vol.2, Mucchi, Modena. Rydell, J., J. Hammarlund and A. Seilacher (2001). Trace fossil association in the Swedish Mickwitzia sandstone (Lower Cambrian): Did trilobites really hunt for worms? GFF, Vol.123. Sadlok, G. (2014). Rusophycus inexpectus Isp.Nov. from the Furongian (Upper Cambrian) of the Holy Cross Mountains (Poland). Annales Societatis Geologorum Poloniae, Vol.84. Sadlok, G. (2013). Compaction-Related Style of Rusophycus Preservation from Furongian (Upper Cambrian) of Holy Cross Mountains (Poland). Annales Societatis Geologorum Poloniae, Vol.83. Sadlok, G. and M. Machalski (2010). The trace fossil Rusophycus versans from the Furongian (Upper Cambrian) of central Poland - an example of behavioural convergence amongst arthropods. Acta Geologica Polonica, Vol.60, Number 1. Savazzi, E. (2012). A reassessment of the Lower Cambrian psammocoral Spatangopsis costata. Paleontological Research, Vol.16, Number 2. Stachacz, M. (2012). New finds of Rusophycus from the Lower Cambrian Ocieseki Standstone Formation (Holy Cross Mountains, Poland). Geological Quarterly, 56(2). Vizcaïno, D., J.J. Álvaro and É. Monceret (2004). Trilobites and ichnofossils from a new fossil Lagerstätte in the Lower Cambrian Pardailhan Formation, southern Montagne Noire, France. Geobios, 37. Zamora, S., et al. (2011). Exoskeletal abnormalities in paradoxidiid trilobites from the Cambrian of Spain, and a new type of bite trace. Bulletin of Geosciences, 86(3). (Thanks to piranha for finding this one!) Cambrian Ichnofossils - North America Alpert, S.P. (1976). Trilobite and Star-Like Trace Fossils from the White-Inyo Mountains, California. Journal of Paleontology, Vol.50, Number 2. Bullock, R.J., J.R. Morris and D. Selby (2011). New Findings of Body and Trace Fossils in the St. Bride's Area, Cape St. Mary's Peninsula, Newfoundland. Current Research (2011) Newfoundland and Labrador Department of Natural Resources, Geological Survey Report 11-1. Knaust, D., R.D.K. Thomas and H.A. Curran (2018). Skolithos linearis Haldeman, 1840 at its early Cambrian type locality, Chickies Rock, Pennsylvania: Analysis and designation of a neotype. Earth-Science Reviews, 185. Pickerill, R.K. and D. Blissett (1999). A predatory Rusophycus burrow from the Cambrian of southern New Brunswick, eastern Canada. Atlantic Geology, 35. Sokoloski, W.P. (2005). Sedimentology and Ichnology of the Late Cambrian to Early Ordovician Skolithos Sandstone in the Deadwood Formation, Northern Black Hills, South Dakota, and Southeastern Bear Lodge Mountains, Wyoming. Masters Thesis - The University of Toledo. Cambrian Ichnofossils - South America/Central America/Caribbean Parry, L.A., et al. (2017). Ichnological evidence for meiofaunal bilaterians from the terminal Ediacaran and earliest Cambrian of Brazil. Nature Ecology & Evolution, Vol.1. General Cambrian Ichnofossils Alpert, S.P. and J.N. Moore (1975). Lower Cambrian trace fossil evidence for predation on trilobites. Lethaia, Vol. 8. Selly, T., et al. (2016). Ichnofossil record of selective predation by Cambrian trilobites. Palaeogeography, Palaeoclimatology, Palaeoecology, 444. Ordovician Ordovician Ichnofossils - Asia/Malaysia/Pacific Islands Kumar, G. and R.L. Kashkari (1987). Paleodictyon and Chondrites from the Takche Formation (Ordovician - ?Lower Devonian), Spiti Valley, Himachal Pradesh, India. Journal of the Palaeontological Society of India, Vol.32. Ordovician Ichnofossils - Australia/New Zealand Draper, J.J. (1980). Rusophycus (Early Ordovician ichnofossil) from the Mithaka Formation, Georgina Basin. BMR Journal of Australian Geology and Geophysics, 5. Ordovician Ichnofossils - Europe (including Greenland and Siberia) Bruthansova, J. and P. Kraft (2003). Pellets independent of or associated with Bohemian Ordovician body fossils. Acta Palaeontologica Polonica, 48(3). Crimes, T.P. and A. Marcos (1976). Trilobite traces and the age of the lowest part of the Ordovician reference section for NW Spain. Geological Magazine, 113. de Carvalho, C.N. (2006). Roller Coaster Behavior in the Cruziana rugosa Group from Penha Garcia (Portugal): Implications for the Feeding Program of Trilobites. Ichnos, 13. Jensen, S., C.N. de Carvalho and T. Palacios (2016). Trace fossils from the Barrancos and Colorada Formations, Ordovician, Ossa-Morena Zone, Portugal and Spain. Comunicacoes Geologicas, 103(1). Mikuláš, R. (1994). Finds of ichnofossils in the Ordovician of the Rožmitál Trench (Czech Republic). Journal of the Czech Geological Society, 39/2-3. Mikuláš, R. (1993). New information on trace fossils of the Early Ordovician of Prague Basin (Barrandian Area, Czech Republic). Journal of the Czech Geological Society, 38/3-4. Sá, A.A., et al. (2011). Ordovician vs. "Cambrian" Ichnofossils in the Armorician Quartzite of Central Portugal. In: Ordovician of the World. Gutiérrez-Marco, J.C., I. Rábano and D. Garcia-Bellido (eds), Instituto Geológico y Minero de España, Madrid. Savitskaya, M. (2004). Ichnofossils from the Lower-Middle Ordovician boundary interval in the St. Petersburg region, Russia. WOGOGOB-2004 Conference Materials. Vinn, O. and U. Toom (2016). Rare arthropod traces from the Ordovician and Silurian of Estonia (Baltica). N.Jb.Geol.Palaont.Abh., 280(2). Vinn, O. and U. Toom (2014). First record of the trace fossil Oikobesalon from the Ordovician (Darriwilian) of Baltica. Estonian Journal of Earth Sciences, 63(2). Vinn, O., et al. (2014). The trace fossil Arachnostega in the Ordovician of Estonia (Baltica). Palaeontologia Electronica, 17.3.40A. Ordovician Ichnofossils - North America Brandt, D.S., D.L. Meyer and P.B. Lask (1995). Isotelus (Trilobita) "Hunting Burrow" from Upper Ordovician Strata, Ohio. J.Paleont., 69(6). Pickerill, R.K. (1995). Deep-water marine Rusophycus and Cruziana from the Ordovician Lotbiniere Formation of Quebec. Atlantic Geology, 31. Pickerill, R.K. (1985). The trace fossil Yakutatia emersoni from the Matapedia Basin of New Brunswick and southeast Gaspé - its first reported occurrence outside Alaska. Maritime Sediments and Atlantic Geology, Vol.21, Numbers 1-3. Pickerill, R.K. and L.R. Fyffe (1999). The stratigraphic significance of trace fossils from the Lower Paleozoic Baskahegan Lake Formation near Woodstock, west-central New Brunswick. Atlantic Geology, 35. Retallack, G.J. (2001). Scoyenia burrows from Ordovician palaeosols of the Juniata Formation in Pennsylvania. Palaeontology, Vol.44, Part 2. General Ordovician Ichnofossils Buatois, L.A., et al. (1998). The Ichnologic Record of the Continental Invertebrate Invasion: Evolutionary Trends in Environmental Expansion, Ecospace Utilization, and Behavioral Complexity. PALAIOS, Vol.13. Retallack, G.J. and C.R. Feakes (1987). Trace Fossil Evidence for Late Ordovician Animals on Land. Science, Vol.235. Silurian Benton, M.J. and C. Hiscock (1996). Lower Silurian trace fossils and the Eocoelia community in the Tortworth Inlier, SW England. Proceedings of the Geologists' Association, 107. Beuck, L., et al. (2008). A giant boring in a Silurian stromatoporid analysed by computer tomography. Acta Palaeontologica Polonica, 53(1). Garlock, T.L. and P.E. Isaacson (1977). An Occurrence of a Cruziana Population in the Moyer Ridge Member of the Bloomsburg Formation (Late Silurian) - Snyder County, Pennsylvania. Journal of Paleontology, Vol.51, Number 2. Metz, R. (2013). An Exceptional Occurrence of the Trace Fossil Cruziana on a Bedding Surface from a Core of the Bloomsburg Red Beds (Silurian), Northwestern New Jersey. Northeastern Geoscience, Vol.31, Number 1. Mikuláš, R., P. Čáp and R.J. Horný (2003). Cherts of the Přídolí Formation and accompanying trace fossils (Pridoli, Silurian), Barrandian Area, Czech Republic. Bulletin of Geosciences, Vol.78, Number 4. Pazos, P.J., et al. (2015). The unusual record of Nereites, wrinkle marks and undermat mining trace fossils from the late Silurian-earliest Devonian of central-western margin of Gondwana (Argentina). Palaeogeography, Palaeoclimatology, Palaeoecology, 439. Pazos, P.J., et al. (2015). The ichnogenus Dictyodora from late Silurian deposits of central-western Argentina: Ichnotaxonomy, ethology and ichnostratigraphical perspectives from Gondwana. Palaeogeography, Palaeoclimatology, Palaeoecology, article in press. Potgieter, C.D. and B.W. Oelofsen (1983). Cruziana acacensis - The First Silurian Index-Trace Fossil from Southern Africa. Trans.geol.Soc.S.Afr., 86. Rindsberg, A.K. and A.J. Martin (2003). Arthrophycus in the Silurian of Alabama (USA) and the problem of compound trace fossils. Palaeogeography, Palaeoclimatology, Palaeoecology, 192. Shi, G.R., Gong, Y.-M. and A. Potter (2009). Late Silurian trace fossils from the Melbourne Formation, Studley Park, Victoria, southeastern Australia. Alcheringa, 33. Thomka, J.R., N.B. Sullivan and C.E. Brett (2018). Arthrophycus as a mimic of crinoid column impressions in the lower Silurian of central Kentucky, USA. Lethaia, Vol.51. Tomin, M.J. (2017). Preservation of Sea Anemone Burrows in Silurian (~432 Million Years Old) Carbonate Rocks of Southeastern Indiana, USA. Bachelors Thesis - The University of Akron Honors College. Transathien, W. and R.K. Pickerill (1987). A Giant Rusophycus from the Arisaig Group (Siluro-Devonian) of Nova Scotia. Marine Sediments and Atlantic Geology, 23. Vinn, O. (2014). Cruziana traces from the Late Silurian (Pridoli) carbonate shelf of Saaremaa, Estonia. Estonian Journal of Earth Sciences, 63(2). Vinn, O. and U. Toom (2016). Rare arthropod traces from the Ordovician and Silurian of Estonia (Baltica). N.Jb.Geol.Palaont.Abh., 280(2). Vinn, O. and M.A. Wilson (2013). An event bed with abundant Skolithos burrows from the late Pridoli (Silurian) of Saaremaa (Estonia). Notebooks on Geology, Letter 2013/02. 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Vertebrate Burrows from Triassic and Jurassic Continental Deposits of North America and Antarctica: Their Paleoenvironmental and Paleoecological Significance. Ichnos, 11. Triassic Ichnofossils - Asia/Malaysia/Pacific Islands Zhang, L.-J., et al. (2016). Early Triassic estuarine depauperate Cruziana Ichnofacies from the Sichuan area of South China and its implications for the biotic recovery in brackish-water settings after the end-Permian mass extinction. Palaeogeography, Palaeoclimatology, Palaeoecology, xxx. (Article in press) Triassic Ichnofossils - Europe (including Greenland and Siberia) Avanzini, M. and P. Mietto (2008). The occurrence of the vertebrate ichnogenus Synaptichnium in the Anisian (Middle Triassic) of Southern Alps. Studi Trent.Sci.Nat., Acta Geol., 83. Bernardi, M. and M. Avanzini (2011). Asteriacites lumbricalis from the Anisian (Middle Triassic) of Vallarsa (Southern Trentino, NE Italy). Studi Trent.Sci.Nat., 88. Klompmaker, A.A., A. Nutzel and A. Kaim (2016). 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Paleoecology and Taphonomy of Trace Fossils in the Eolian Upper Triassic/Lower Jurassic Nugget Sandstone, Northeastern Utah. PALAIOS, Vol.29. Hasiotis, S.T., et al. (2004). Vertebrate Burrows from Triassic and Jurassic Continental Deposits of North America and Antarctica: Their Paleoenvironmental and Paleoecological Significance. Ichnos, 11. Triassic Ichnofossils - South America/Central America/Caribbean Da Silva, R.C., I. De Souza Carvalho and C. Schwanke (2007). Vertebrate dinoturbation from the Caturrita Formation (Late Triassic, Parana Basin), Rio Grande do Sul State, Brazil. Gondwana Research, 11. Paes Neto, V.D., et al. (2016). Oldest evidence of osteophagic behavior by insects from the Triassic of Brazil. Palaeogeography, Palaeoclimatology, Palaeoecology, 453. General Triassic Ichnofossils Beatty, T.W., J.-P. Zonneveld and C.M. Henderson (2008). Anomalously diverse Early Triassic ichnofossil assemblages in northwest Pangea: A case for a shallow-marine habitable zone. Geology, Vol.35, Number 10. Jurassic Jurassic Ichnofossils - Africa/Middle East Bordy, E.M. (2008). Enigmatic Trace Fossils from the Aeolian Lower Jurassic Clarens Formation, Southern Africa. Palaeontologia Electronica, Vol.11, Issue 3. Bordy, E.M., et al. (2017). First Lower Jurassic vertebrate burrow from southern Africa (upper Elliot Formation, Karoo Basin, South Africa). Palaeogeography, Palaeoclimatology, Palaeoecology, 468. Bordy, E.M., et al. (2009). Possible trace fossils of putative termite origin in the Lower Jurassic (Karoo Supergroup) of South Africa and Lesotho. South African Journal of Science, 105. Oukassou, M., et al. (2016). First occurrence of the Ichnogenus Selenichnites from the Middle Jurassic Strata of the Skoura Syncline (Middle Atlas, Morocco); Palaeoecological and palaeoenvironmental context. C.R. Palevol, 15. Jurassic Ichnofossils - Asia/Malaysia/Pacific Islands Xing, L.-D., et al. (2016). 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