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ziggycardon posted a topic in Fossil IDHi! I recently aqcuired quite a lot of "microfossils" to kick off my Triassic collection, as I personally find it one of the most interesting time periods and while I am aware possibly not all of them are ID'd correctly I just wanted to get some nice fossils from this time period regardless of their ID's. All the fossils I acquired are from the Bull Canyon Formation, Dockum Group, San Miguel County, New Mexico, USA (Norian age) But I myself am not very knowledgeable yet in this material as I just started my collection but I am aware that some if not most of the ID's on these fossils given by the seller might be wrong as everything I read about the Bull Canyon formation says that the formation isn't that well discribed yet. I tried to make the photo's as good as I could, but it wasn't always easy given their extremely small size, so I hope the quality is good enough to work with. So I am kinda hoping is someone here on the forum would like to give it a try to see if he/she could confirm or disprove given ID's. Thank you in advance! The first set of 2 teeth were listed as the Phytosaur "Pseudopalatus" teeth which after doing a bit of research is considered a junior synonym for "Machaeroprosopus" The next collection of 3 teeth were listed as the Pseudosuchian "Revueltosaurus" The next tooth was listed as a "Theropod indet" tooth, and I know there are at least 2 species of theropod present at Bull Canyon, a Coelophysid called Gojirasaurus and a herrerasaurid called Chindesaurus. But I am not even sure whether this tooth is dinosaurian or not. The next set of teeth were listed as "Arganodus" lungfish teeth And the final tooth was listed as a "Sphenodont" (Rhynchocephalia indet.) tooth with affinities to Clevosaurus (which is found in Nova Scotia, Great Britain and China)
Fruitbat posted a topic in DocumentsThese 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 firstname.lastname@example.org 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 August 23 2018. Class Reptilia Superorder Lepidosauria Order Rhynchocephalia Family Gephyrosauridae Evans, S.E. (1981). The postcranial skeleton of the Late Jurassic eosuchian Gephyrosaurus bridensis. Zoological Journal of the Linnean Society, 73. Family Sphenodontia - The Tuataras and Their Allies. Sphenodontia - Africa/Middle East Evans, S.E. and D. Sigogneau-Russell (1997). New Sphenodontians (Diapsida: Lepidosauria: Rhynchocephalia) from the Early Cretaceous of North Africa. Journal of Vertebrate Paeontology, 17(1). Sphenodontia - Asia/Malaysia/Pacific Islands Jones, M.E.H. (2006). The Early Jurassic Clevosaurs from China (Diapsida: Lepidosauria). In: The Triassic-Jurassic Terrestrial Transition. Harris, et al. (eds.), New Mexico Museum of Natural History and Science, Bulletin 37. Sphenodontia - Australia/New Zealand Jones, M.E.H., et al. (2009). A sphenodontine (Rhynchocephalia) from the Miocene of New Zealand and the palaeobiogeography of the tuatara (Sphenodon). Proc.R.Soc. B., 276. Sphenodontia - Europe (including Greenland and Siberia) Duffin, C.J. (1995). The First Sphenodontian Remains (Lepidosauromorpha, Reptilia) from the Late Triassic of the Gaume (Southern Belgium). Bulletin de la Societe belge de Geologie, 104(1-2). Evans, S.E., P. Raia and C. Barbera (2004). New lizards and rhynchocephalians from the Lower Cretaceous of southern Italy. Acta Palaeontologica Polonica, 49(3). Fraser, N.C. (1993). A New Sphenodontian from the Early Mesozoic of England and North America: Implications for Correlating Early Mesozoic Continental Deposits. In: The Nonmarine Triassic. Lucas, S.G. and M. Morales (eds.), New Mexico Musum of Natural History and Science Bulletin Number 3. Fraser, N.C. (1986). New Triassic Sphenodontids from South-West England and a Review of Their Classification. Palaeontology, Vol.29, Part 1. Fraser, N.C. (1982). A New Rhynchocephalian from the British Upper Trias. Palaeontology, Vol.25, Part 3. Herrera-Flores, J.A., et al. (2018). Taxonomic reassessment of Clevosaurus latidens Fraser, 1993 (Lepidosauria, Rhynchocephalia) and rhychocephalian phylogeny based on parsimony and Bayesian inference. Journal of Paleontology, 92(4). Klein, C.G., et al. (2015). A distinctive Late Triassic microvertebrate fissure fauna and a new species of Clevosaurus (Lepidosauria: Rhynchocephalia) from Woodleaze Quarry, Gloucestershire, UK. Proceedings of the Geologists' Association, 126. Säilä, L.K. (2005). A New Species of Sphenodontian Reptile Clevosaurus from the Lower Jurassic of South Wales. Palaeontology, Vol.48, Part 4. Sphenodontia - North America Fraser, N.C. (1993). A New Sphenodontian from the Early Mesozoic of England and North America: Implications for Correlating Early Mesozoic Continental Deposits. In: The Nonmarine Triassic. Lucas, S.G. and M. Morales (eds.), New Mexico Musum of Natural History and Science Bulletin Number 3. Heckert, A.B., et al. (2008). A New Genus and Species of Sphenodontian from the Ghost Ranch Coelophysis Quarry (Upper Triassic: Apachean), Rock Point Formation, New Mexico, USA. Paleontology, Vol.51, Part 4. Sues, H.-D., N.H. Shubin and P.E. Olsen (1994). A New Sphenodontian (Lepidosauria: Rhynchocephalia) from the McCoy Brook Formation (Lower Jurassic) of Nova Scotia, Canada. Journal of Vertebrate Paleontology, 14(3). Sphenodontia - South America/Central America/Caribbean Apesteguia, S. and G.W. Rougier (2007). A Late Campanian Sphenodontid Maxilla from Northern Patagonia. American Museum Novitates, Number 3581. Apesteguia, S. and F.E. Novas (2003). Large Cretaceous sphenodontian from Patagonia provides insight into lepidosaur evolution in Gondwana. Nature, Vol.425. Apesteguia, S., R.O. Gomez and G.W. Roughier (2012). A basal sphenodontian (Lepidosauria) from the Jurassic of Patagonia: new insights on the phylogeny and biogeography of Gondwanan rhynchocephalians. Zoological Journal of the Linnean Society, 166. Bonaparte, J.F. and H.-D. Sues (2006). A New Species of Clevosaurus (Lepidosauria: Rhynchocephalia) from the Upper Triassic of Rio Grande Do Sul, Brazil. Palaeontology, Vol.49, Part 4. Hsiou, A.S., M.A.G. De Franca and J. Ferigolo (2015). New Data on Clevosaurus (Spenodontia: Clevosauridae) from the Upper Triassic of Southern Brazil. PLoS ONE, 10(9). Martínez, R.N., et al. (2013). A new sphenodontian (Lepidosauria: Rhynchocephalia) from the Late Triassic of Argentina and the early origin of the herbivore opisthodontians. Proc.R.Soc. B, 280. Novas, F.E., et al. (1999). First Record of Sphenodontid Lepidosaurs for the Late Cretaceous. Ameghiniana, 36(4). Reynoso, V.H. (2005). Possible Evidence of a Venom Apparatus in a Middle Jurassic Sphenodontian from the Huizachal Red Beds of Tamaulipas, Mexico. Journal of Vertebrate Paleontology, 25(3). Reynoso, V.H. (2003). Growth patterns and ontogenetic variation of the teeth and jaws of the Middle Jurassic sphenodontian Cynosphenodon huizachalensis (Reptilia: Rhynchocephalia). Can.J. Earth Sci., 40. Reynoso, V.-H. (1997). A "Beaded" Sphenodontian (Diapsida: Lepidosauria) from the Early Cretaceous of Central Mexico. Journal of Vertebrate Paleontology, 17(1). Reynoso, V.H. (1996). A Middle Jurassic Sphenodon-Like Sphenodontian (Diapsida: Lepidosauria) from Huizachal Canyon, Tamaulipas, Mexico. Journal of Vertebrate Paleontology, 16(2). Reynoso, V.H. and J.M. Clark (1998). A Dwarf Sphenodontian from the Jurassic La Boca Formation of Tamaulipas, Mexico. Journal of Vertebrate Paleontology, 18(2). Romo-de Vivar-Martínez, P.R. and M.B. Soares (2015). Dentary Morphological Variation in Clevosaurus brasiliensis (Rhynchocephalia, Clevosauridae) from the Upper Triassic of Rio Grande do Sul, Brazil. PLoS ONE, 10(3). Romo-de-Vivar-Martinez, et al. (2016). Evidence of osteomyelitis in the dentary of the late Triassic rhynchocephalian Clevosaurus brasiliensis (Lepidosauria: Rhynchocephalia) from southern Brazil and behavioural implications. Historical Biology, 2016. Simón, M.E. and A.W.A. Kellner (2003). New Sphenodontid (Lepidosauria, Rhynchocephalia, Eilenodontinae) from the Candeleros Formation of Patagonia, Argentina. Boletin do Museu Nacional, Nova Série, Geologia, Number 68. General Spenodontia Jones, M.E.H. (2008). Skull Shape and Feeding Strategy in Sphenodon and Other Rhynchocephalia (Diapsida: Lepidosauria). Journal of Morphology, 269. General Rhynchocephalia Evans, S.E., G.V.R. Prasad and B.K. Manhas (2001). Rhynchocephalians (Diapsida: Lepidosauria) from the Jurassic Kota Formation of India. Zoological Journal of the Linnean Society, 133. Malan, M.E. (1963). The Dentition of the South African Rhynchocephalia and Their Bearing on the Origin of the Rhynchosaurs. South African Journal of Science. Rauhut, O.W.M., et al. (2012). A New Rhynchocephalian from the Late Jurassic of Germany with a Dentition that is Unique amongst Tetrapods. PLoS ONE, 7(10). Order Eosuchia (Younginiformes) (May not belong with Lepidosauria) Bickelmann, C., J. Muller and R.R. Reisz (2009). The enigmatic diapsid Acerosodontosaurus piveteaui (Reptilia: Neodiapsida) from the Upper Permian of Madagascar and the paraphyly of "younginiform" reptiles. Can.J. Earth Sci., 46. Family Tangasauridae Currie, P.J. (1981). Hovasaurus boulei, an Aquatic Eosuchian from the Upper Permian of Madagascar. Paleont.afr., 24. Family Tanystrophidae Olsen, P.E. (1979). A New Aquatic Eosuchian from the Newark Supergroup (Late Triassic-Early Jurassic) of North Carolina and Virginia. Peabody Museum of Natural History, Postilla Number 176. Family Younginidae Gardner, N.M., C.M. Holliday and F.R. O'Keefe (2010). The Braincase of Youngina capensis (Reptilia, Diapsida): New Insights from High-Resolution CT Scanning of the Holotype. Palaeontologia Electronica, Vol.13, Issue 3. Gow, C.E. (1975). The Morphology and Relationships of Youngina capensis Broom and Prolacerta broomi Parrington. Paleont.afr., 18. Smith, R.M.H. and S.E. Evans (1996). New Material of Youngina: Evidence of Juvenile Aggregation in Permian Diapsid Reptiles. Palaeontology, Vol.39, Part 2. General Eosuchia Broom, R. (1924). Further Evidence on the Structure of the Eosuchia. Bull.Amer.Mus.Nat.Hist., Vol. LI, Article III. General Lepidosauria Conrad, J.L. (2008). Phylogeny and Systematics of Squamata (Reptilia) Based on Morphology. Bulletin of the American Museum of Natural History, Number 310. (182 pages, 31MB download) Evans, S.E. (2009). An Early Kuehneosaurid Reptile from the Early Triassic of Poland. Palaeontologica Polonica, 65. Evans, S.E. and M. Borsuk-Bialynicka (2009). A Small Lepidosauromorph Reptile from the Early Triassic of Poland. Palaeontologica Polonica, 65. Gauthier, J., R. Estes and K. de Queiroz (1988). A Phylogenetic Analysis of Lepidosauromorphs. In: Phylogenetic Relationships of the Lizard Families. Holman, J.A. (1998). Reptiles of the Lower Miocene (Hemingfordian) Pollack Farm Fossil Site (Delaware). In: Geology and paleontology of the lower Miocene Pollack Farm Fossil Site, Delaware. Benson, R.N. (ed.), Delaware Geological Survey Special Publication Number 21. Jones, M.E.H., et al. (2013). Integration of molecules and new fossils supports a Triassic origin for Lepidosauria (lizards, snakes and tuatara). BMC Evolutionary Biology, 13:208. Lymberakis, P. and N. Poulakakis (2010). Three Continents Claiming an Archipelago: The Evolution of Aegean's Herpetofaunal Diversity. Diversity, 2. Moazen, M., et al. (2009). Biomechanical assessment of evolutionary changes in the lepidosaurian skull. PNAS, Vol.106, Number 20. Reynoso, V.-H. (1996). Early Cretaceous Lepidosaurs (Reptilia: Diapsida) from Central México and the Phylogeny of Lepidosauromorphs. Ph.D. Thesis - McGill University. Williams, M.J. (2009). Miocene Herpetofaunas from the Central Gulf Coast USA: Their Paleoecology, Biogeography and Biostratigraphy. Ph.D. Dissertation - Louisiana State University. Zaher, H. and O. Rieppel (1999). Tooth Implantation and Replacement in Squamates, with Special Reference to Mosasaur Lizards and Snakes. American Museum Novitates, Number 3271.