Dental microwear of a Late Triassic dinosauriform, Silesaurus opolensis

• Autorzy: Kubo T. , Kubo M. O.
• Języki publikacji: EN

Abstrakty

EN

Silesaurus opolensis belongs to Silesauridae, the closest sister group to dinosaurs. The present study analyzed the dental microwear patterns of Silesaurus opolensis. Low pit-to-scratch ratios imply they did not feed on hard objects. Unimodal distributions of both wear-facet and non-facet scratch orientations indicate simple orthal jaw movement. Scratch orientation and density differ between microscopic regions in Silesaurus, and unlike hadrosaurid dinosaurs, the microwear patterns of small areas are not identical to those of whole teeth.

• Wydawca: -
• Czasopismo: Acta Palaeontologica Polonica
• Rocznik: 2014
• Tom: 59
• Numer: 2
• Opis fizyczny: p.305-312,fig.,ref.

Twórcy

autor

Kubo T.

• Fukui Prefectural Dinosaur Museum, 51-11 Terao, Muroko, Katsuyama, Fukui 911-8601, Japan

autor

Kubo M. O.

• The University Museum, The University of Tokyo, 7-3-1 Hongo, Bunkyoku, Tokyo 113-0033, Japan

Bibliografia

• Barret, P.M. 2000. Speculation on prosauropod diets. In: H.-D. Sues (ed.), Evolution of Herbivory in Terrestrial Vertebrates, 79–122. Cambridge University Press, Cambridge.
• Barrett, P.M. 2001. Tooth wear and possible jaw action of Scelidosaurus harrisonii Owen and a review of feeding mechanisms in other thyreophoran dinosaurs. In: K. Carpenter (ed.), The Armored Dinosaurs, 25–52. Indiana University Press, Bloomington.
• Barrett, P.M., Butler, R.J., and Nesbitt, S.J. 2011. The roles of herbivory and omnivory in early dinosaur evolution. Earth and Environmental Science Transactions of the Royal Society of Edinburgh 101: 383–396.
• Crompton, A.W. and Attridge, J. 1986. Masticatory apparatus of the larger herbivores during Late Triassic and Early Jurassic times. In: K. Padian (ed.), The Beginning of the Age of the Dinosaurs, 223–236. Cambridge University Press, Cambridge.
• Daegling, D.J. and Grine, F.E. 1999. Occlusal microwear in Papio ursinus: The effects of terrestrial foraging on dental enamel. Primates 40: 559–572.
• Dzik, J. 2003. A beaked herbivorous archosaur with dinosaur affinities from the early Late Triassic of Poland. Journal of Vertebrate Paleontology 23: 556–574.
• Dzik, J. and Sulej, T. 2007. A review of the early Late Triassic Krasiejów biota from Silesia, Poland. Palaeontologica Polonica 64: 3–27.
• El-Zaatari, S., Grine, F.E., Teaford, M.F., and Smith, HF. 2005. Molar microwear and dietary reconstructions of fossil Cercopithecoidea from the Plio-Pleistocene deposits of South Africa. Journal of Human Evolution 49: 180–205.
• Fiorillo, A.R. 1998. Dental microwear patterns of the sauropod dinosaurs Camarasaurus and Diplodocus: evidence for resource partitioning in the Late Jurassic of North America. Historical Biology 13: 1–16.
• Fiorillo, A.R. 2011. Microwear patterns on the teeth of northern high latitude hadrosaurs with comments on microwear patterns in hadrosaurs as a function of latitude and seasonal ecological constraints. Palaeontologia Electronica 14: 20A.
• Flynn, J.J., Nesbitt, S.J., Parrish, J.M., Ranivoharimanana, L., and Wyss, A.R. 2010. A new species of Azendohsaurus (Diapsida: Archosauromorpha) from the Triassic Isalo group of Southwestern Madagascar: cranium and mandible. Palaeontology 53: 669–688.
• Fostowicz-Frelik, Ł. and Sulej, T. 2010. Bone histology of Silesaurus opolensis from the Late Triassic of Poland. Lethaia 43: 137–148.
• Gordon, K.D. 1982. A study of microwear on chimpanzee molars: implications for dental microwear analysis. American Journal of Physical Anthropology 59: 195–216.
• Goswami, A., Flynn, J.J., Ranivoharimanana, L., and Wyss, A.R. 2005. Dental microwear in Triassic amniotes: implications for paleoecology and masticatory mechanics. Journal of Vertebrate Paleontology 25: 320–329.
• Green, J.L. and Resar, N.A. 2012. The link between dental microwear and feeding ecology in tree sloths and armadillos (Mammalia: Xenarthra). Biological Journal of the Linnean Society 107: 277–294.
• Hodson, M.J., White, P.J., Mead, A., and Broadley, M.R. 2005. Phylogenetic variation in the silicon composition of plants. Annals of Botany 96: 1027–1046.
• Kay, R.F. and Hiiemae, K.M. 1974. Jaw movement and tooth use in recent and fossil primates. American Journal of Physical Anthropology 40: 227–256.
• King, T., Andrews, P., and Boz, B. 1999. Effect of taphonomic processes on dental microwear. American Journal of Physical Anthropology 108: 359–373.
• Kubo, T. and Kubo, M.O. 2012. Associated evolution of bipedality and cursoriality among Triassic archosaurs: a phylogenetically controlled evaluation. Paleobiology 38: 474–485.
• Langer, M.C., Ezcurra, M.D., Bittencourt, J.S., and Novas, F.E. 2010. The origin and early evolution of dinosaurs. Biological Reviews 85: 55–110.
• Lund, U. and Agostinelli, C. 2007. Circstats: Circular statistics R package version 0.2-4. Available from: http://cran.r-project.org/web/packages/C ircStats/index.html.
• Nesbitt, S.J. 2011. The early evolution of archosaurs: relationships and the origin of major clade. Bulletin of the American Museum of Natural History 352: 1–292.
• Ozaki, M. 2006. Correlations between ecology and microwear features in the sika deer (Cervus nippon). Anthropological Science 114: 244–244.
• Piechowski, R. and Dzik, J. 2010. The axial skeleton of Silesaurus opolensis. Journal of Vertebrate Paleontology 30: 1127–1141.
• R Core Team. 2012. R: A Language and Environment for Statistical Computing. Available from http://www.R-project.org.
• Rafferty, K.L., Teaford, M.F., and Jungers, W.L. 2002. Molar microwear of subfossil lemurs: improving the resolution of dietary inferences. Journal of Human Evolution 43: 645–657.
• Rasband, W.S. 1997–2012. Image J. Available from: U.S. National Institutes of Health, Bethesda, Maryland, USA, http://imagej.nih.gov/ij/.
• Rensberger, J.M. 1978. Scanning electron microscopy of wear and occlusal events in some small herbivores. In: P.M. Butler and K.A. Joysey (eds.), Development, Function and Evolution of Teeth, 415–438. Academic Press, New York.
• Robson, S.K. and Young, W.G. 1990. A comparison of tooth microwear between an extinct marsupial predator, the Tasmanian tiger Thylacinus cynocephalus (Thylacinidae) and an extant scavenger, the Tasmanian devil Sarcophilus harrisii (Dasyuridae: Marsupialia). Australian Journal of Zoology 37: 575–589.
• Rybczynski, R. and Vickaryous, M.K. 2001. Evidence of complex jaw movement in the Late Cretaceous ankylosaurid Euoplocephalus tutus (Dinosauria: Thyreophora). In: K. Carpenter (ed.), The Armored Dinosaurs, 299–317. Indiana University Press, Bloomington.
• Schubert, B.W. and Ungar, P.S. 2005. Wear facets and enamel spalling in tyrannosaurid dinosaurs. Acta Palaeontologica Polonica 50: 93–99.
• Silcox, M.T. and Teaford, M.F. 2002. The diet of worms: an analysis of mole dental microwear. Journal of Mammalogy 83: 804–814.
• Smith, J.B. and Dodson, P. 2003. A proposal for a standard terminology of anatomical notation and orientation in fossil vertebrate dentitions. Journal of Vertebrate Paleontology 23: 1–12.
• Solounias, N. and Hayek, L.-A.C. 1993. New methods of tooth microwear analysis and application to dietary determination of two extinct antelopes. Journal of Zoology 1993: 421–445.
• Solounias, N. and Moelleken, S.M.C. 1993. Tooth microwear analyses and premaxillary shape of an archaic antelope. Lethaia 26: 261–268.
• Strait, S.G. 1993. Molar microwear in extant small-bodied faunivorous mammals: An analysis of feature density and pit frequency. American Journal of Physical Anthropology 92: 63–79.
• Sulej, T. 2010. The skull of an early Late Triassic aetosaur and the evolution of the stagonolepidid archosaurian reptile. Zoological Journal of Linnean Society 158: 860–881.
• Taylor, T.N., Taylor, E.L., and Krings, M. 2009. Paleobotany: the Biology and Evolution of Fossil Plants. Second edition. 1230 pp. Academic Press, Elsevier, Burlington.
• Teaford, M.F. 1985. Molar microwear and diet in the genus Cebus. American Journal of Physical Anthropology 66: 363–370.
• Teaford, M.F. 1988. Scanning electron microscope diagnosis of wear patterns versus artifacts on fossil teeth. Scanning Microscopy 2: 1167–1175.
• Teaford, M.F. 2007. Dental microwear and paleoanthropology: cautions and possibilities. In: S.E. Bailey and J.-J. Hublin (eds.), Dental Perspectives on Human Evolution, 345–368. Springer, Dordreeht.
• Teaford, M.F. and Runestad, J.A. 1992. Dental microwear and diet in Venezuelan Primates. American Journal of Physical Anthropology 88: 347–364.
• Teaford, M.F. and Walker, A. 1984. Quantitative differences in dental microwear between Primate species with different diets and comments on the presumed diet of Sivapithecus. American Journal of Physical Anthropology 64: 191–200.
• Thompson, T.A. 2012. Rose.Net. Available from: http://mypage.iu.edu/~tthomps/.
• Ungar, P.S., Grine, F.E., Teaford, M.F., and El Zaatari, S. 2006. Dental microwear and diets of African early Homo. Journal of Human Evolution 50 (1): 78–95.
• Upchurch, P. and Barrett, P.M. 2000. The evolution of sauropod feeding mechanisms. In: H.-D. Sues (ed.), Evolution of Herbivory in Terrestrial Vertebrates, 79–122. Cambridge University Press, Cambridge.
• Van Valkenburgh, B., Teaford, M.F., and Walker, A. 1990. Molar microwear and diet in large carnivores: inferences concerning diet in the sabretooth cat, Smilodon fatalis. Journal of Zoology 222: 319–340.
• Whitlock, J.A. 2011. Inferences of diplodocoid (Sauropoda: Dinosauria) feeding behavior from snout shape and microwear analyses. Plos One 6: e18304.
• Williams, V.S., Barrett, P.M., and Purnell, M.A. 2009. Quantitative analysis of dental microwear in hadrosaurid dinosaurs, and the implications for hypotheses of jaw mechanics and feeding. Proceedings of the National Academy of Sciences 106: 11194–11199.

Identyfikatory

DOI

2013.0027