Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada

• Autorzy: Currie P J
• Języki publikacji: EN

Abstrakty

EN

Beautifully preserved, nearly complete theropod skeletons from Alberta (Canada) allow re−evaluation of the taxonomic status of North American tyrannosaurids. It is concluded that the most parsimonious interpretation of relationships leads to the separation of the two species of Albertosaurus(sensu Russell 1970) into Gorgosaurus libratusfrom the Campanian Dinosaur Park Formation and Albertosaurus sarcophagus from the upper Campanian/lower Maastrichtian Horseshoe Canyon Formation. Albertosaurus and Gorgosaurus are closely related, but can be distinguished from each other by more characters than are known to justify generic distinction within another tyrannosaurid clade that includes Daspletosaurus, Tarbosaurus and Tyrannosaurus. Daspletosaurus is known from multiple species that cover extensive geographic, ecological and temporal ranges, and it is sensible to maintain its generic distinction from Tyrannosaurus. All tyrannosaurid species have consistent ontogenetic trends. However, one needs to be cautious in assessing ontogenetic stage because many characters are size−dependent rather than age−dependent. There are relatively few osteological differences that can distinguish tyrannosaurid species at any age. For example, Nanotyrannus lancensis is probably a distinct species from Tyrannosaurus rex because there is no evidence of ontogenetic reduction of tooth counts in any other tyrannosaurid species. Some characters that are good for separating mature tyrannosaurids, such as differences in the sizes and shapes of maxillary fenestrae, are not useful for identifying the species of juveniles.

Słowa kluczowe

EN

Late Cretaceous; Cretaceous; Canada; Theropoda; dinosaur; Alberta; Saurischia; Coelurosauria; anatomy; Dinosauria; Tyrannosauridae; skull; paleontology; tyrannosaurid dinosaur

• Wydawca: -
• Czasopismo: Acta Palaeontologica Polonica
• Rocznik: 2003
• Tom: 48
• Numer: 2
• Opis fizyczny: p.191-226,fig.

Twórcy

autor

Currie P J

• Royal Tyrrell Museum of Palaeontology, Box 7500, Drumheller, AB, T0J 0Y0 Canada

Bibliografia

• Bakker, R.T. 1986. The Dinosaur Heresies. 482 pp. William Morrow and Company, Inc., New York.
• Bakker, R.T., Williams, M., and Currie, P.J. 1988. Nanotyrannus, a new genus of pygmy tyrannosaur, from the latest Cretaceous of Montana. Hunteria 1(5): 1–30.
• Brochu, C. 2002. Tyrannosaurus rex. Journal of Vertebrate Paleontology, Memoirs.
• Carpenter, K. 1990. Variation in Tyrannosaurus rex. In: K. Carpenter and P.J. Currie (eds.), Dinosaur Systematics: Approaches and Perspectives, 141–145. Cambridge University Press, New York.
• Carpenter, K. 1992. Tyrannosaurids (Dinosauria) of Asia and North America. In: N. Mateer and P.−J. Chen (eds.), Aspects of Nonmarine Cretaceous Geology, 250–268. China Ocean Press, Beijing.
• Carr, T.D. 1999. Craniofacial ontogeny in Tyrannosauridae (Dinosauria, Coelurosauria). Journal of Vertebrate Paleontology 19: 497–520.
• Carr, T.D. and Williamson, T.E. 2000. A review of Tyrannosauridae (Dinosauria, Coelurosauria) from New Mexico. New Mexico Museum of Natural History and Science, Bulletin 17: 113–145.
• Carroll, R.L. 1988. Vertebrate Paleontology and Evolution. 698 pp. W.H. Freeman and Company, New York.
• Chure, D.J. and Madsen, J.H. 1998. An unusual braincase (?Stokesosaurus clevelandi) from the Cleveland−Lloyd dinosaur quarry, Utah (Morrison Formation; Late Jurassic). Journal of Vertebrate Paleontology 18: 115–125.
• Cope, E.D. 1866. On the discovery of the remains of a gigantic dinosaur in the Cretaceous of New Jersey. Academy of Natural Sciences of Philadelphia, Proceedings 1866: 275–279, 316–317.
• Cope, E.D. 1892. On the skull of the dinosaurian Laelaps incrassatus Cope. American Philosophical Society, Proceedings 30: 240–245.
• Currie, P.J. 1985. Cranial anatomy of Stenonychosaurus inequalis (Saurischia, Theropoda) and its bearing on the origin of birds. Canadian Journal of Earth Sciences 22: 1643–1658.
• Currie, P.J. 1989. Theropod dinosaurs of the Cretaceous. Paleontological Society, Short Courses in Paleontology 2: 113–120.
• Currie, P.J. 2000a. Theropods from the Cretaceous of Mongolia. In: M.J. Benton, M.A. Shishkin, D.M. Unwin, and E.N. Kurochkin (eds.), The Age of Dinosaurs in Russia and Mongolia, 434–455. Cambridge University Press, Cambridge.
• Currie, P.J. 2000b. Possible evidence of gregarious behavior in tyrannosaurids. Gaia 15: 271–277.
• Currie, P.J. 2003. Allometric growth in tyrannosaurids (Dinosauria: Theropoda) from the Upper Cretaceous of North America and Asia. Canadian Journal of Earth Sciences 40: 651–665.
• Currie, P.J., and Dong Z.−M. 2001. New information on Shanshanosaurus huoyanshanensis, a juvenile tyrannosaurid (Theropoda, Dinosauria) from the Late Cretaceous of China.Canadian Journal of Earth Sciences 38: 1729–1737.
• Currie, P.J., Hurum, J.H., and Sabath, K. 2003. Skull structure and evolution in tyrannosaurid dinosaurs. Acta Palaeontologica Polonica 48: 227–234.
• Currie, P.J., Rigby, K., Jr., and Sloan, R.E. 1990. Theropod teeth from the Judith River Formation of southern Alberta, Canada. In: K. Carpenter and P.J. Currie (eds.), Dinosaur Systematics: Approaches and Perspectives, 107–125. Cambridge University Press, New York.
• Currie, P.J. and Zhao X.J. 1993a. A new large theropod (Dinosauria, Theropoda) from the Jurassic of Xinjiang, People’s Republic of China. Canadian Journal of Earth Sciences 30: 2037–2081.
• Currie, P.J., and Zhao X.J. 1993b. A new troodontid (Dinosauria, Theropoda) braincase from the Judith River Formation (Campanian) of Alberta. Canadian Journal of Earth Sciences 30: 2231–2247.
• Eberth, D.A., Currie, P.J., Brinkman, D.B., Ryan, M.J., Braman, D.R., Gardner, J.D., Lam, V.D., Spivak, D.N., and Neuman, A.G. 2001. Alberta’s Dinosaurs and other fossil vertebrates: Judith River and Edmonton Groups (Campanian–Maastrichtian). Museum of the Rockies, Occasional Paper 3: 49–75.
• Gilmore, C.W. 1946. A new carnivorous dinosaur from the Lance Formation of Montana. Smithsonian Miscellaneous Collections 106: 1–19.
• Holtz, T.R. 1994. The arctometatarsalian pes, an unusual structure of the metatarsus of Cretaceous Theropoda (Dinosauria: Saurischia). Journal of Vertebrate Paleontology 14: 480–519.
• Holtz T.R. 2000. A new phylogeny of the carnivorous dinosaurs. Gaia 15: 5–61.
• Holtz, T.R. 2001. The phylogeny and taxonomy of the Tyrannosauridae. In: D.H. Tanke and K. Carpenter (eds.), Mesozoic Vertebrate Life, 64–83. Indiana University Press, Bloomington & Indianapolis.
• Horner, J.R., Varricchio, D.J., and Goodwin, M.B. 1992. Marine transgressions and the evolution of Cretaceous dinosaurs. Nature 358: 59–61.
• Huene, F. von. 1923. Carnivorous saurischia in Europe since the Triassic. Bulletin of the Geological Society of America 34: 449–458.
• Huene, F. von. 1926. The carnivorous Saurischia in the Jura and Cretaceous formations principally in Europe. Museo de La Plata,Revista 29: 35–167.
• Hurum, J.H. and Currie, P.J. 2000. The crushing bite of tyrannosaurids. Journal of Vertebrate Paleontology 20: 619–621.
• Hurum, J.H. and Sabath, K. 2003. Giant theropods from Asia and North America: two skulls of Tarbosaurus bataar and Tyrannosaurus rex compared. Acta Palaeontologica Polonica 48: 161–190.
• Hutt, S., Naish, D., Martill, D.M., Barker, M.J., and Newbery, P. 2001. A preliminary account of a new tyrannosauroid theropod from the Wessex Formation (Early Cretaceous) of southern England. Cretaceous Research 22: 227–242.
• Keiran, M. 1999. Albertosaurus, Death of a Predator. 56 pp. Raincoast Books, Vancouver.
• Kurzanov, S.M. 1976. A new Late Cretaceous carnosaur from Nogon−Tsav, Mongolia [in Russian]. In: N.N. Kramarenko (ed.), Paleontologiâ i biostratigrafiâ Mongolii. Sovmestnaâ Sovetsko−Mongolskaâ Paleontologičeskaâ Ekspediciâ, Trudy 3: 93–104.
• Lambe, L.M. 1903. On the lower jaw of Dryptosaurus incrassatus (Cope). Ottawa Naturalist 17: 134.
• Lambe, L.M. 1904. On Dryptosaurus incrassatus(Cope), from the Edmonton series of the North−west Territory. Geological Survey of Canada, Contributions to Canadian Palaeontology 3: 1–27.
• Lambe, L.M. 1914. On a new genus and species of carnivorous dinosaur from the Belly River Formation of Alberta, with a description of the skull of Stephanosaurus marginatus from the same horizon. Ottawa Naturalist 28: 13–20.
• Lambe, L.M. 1917. The Cretaceous theropodous dinosaur Gorgosaurus. Geological Survey of Canada, Memoir 100: 1–84.
• Lehman, T.M. and K. Carpenter. 1990. A partial skeleton of the tyrannosaurid dinosaur Aublysodon from the Upper Cretaceous of New Mexico. Journal of Paleontology 64: 1026–1032.
• Leidy, J.F. 1856. Notices of remains of extinct reptiles and fishes, discovered by Dr. F.V. Hayden in the bad lands of the Judith River, Nebraska Territory. Proceedings of the Philadelphia Academy of Natural Sciences 9: 72–73.
• Leidy, J.F. 1868. Remarks on a jaw fragment of Megalosaurus. Proceedings of the Philadelphia Academy of Natural Sciences 20: 197–200.
• Madsen, J.H. 1976. Allosaurus fragilis: a revised osteology. Utah Geological and Mineral Survey, Bulletin 109: 1–163.
• Maleev, E.A. 1955a. Giant carnivorous dinosaurs of Mongolia [in Russian]. Doklady Akademii Nauk SSSR 104: 634–637.
• Maleev, E.A. 1955b. New carnivorous dinosaurs from the Upper Cretaceous of Mongolia [in Russian]. Doklady Akademii Nauk SSSR 104: 779–782.
• Maleev, E.A. 1974. Gigantic carnosaurs of the family Tyrannosauridae [in Russian]. In: N.N. Kramarenko (ed.), Paleontologiâ i biostratigrafiâ Mongolii. Sovmestnaâ Sovetsko−Mongolskaâ Paleontologičeskaâ Ekspediciâ, Trudy 1: 132–191.
• Marsh, O.C. 1877. Notice of a new and gigantic dinosaur. American Journal of Science and Arts, Third series 14: 87–88.
• Matthew, W.D. and Brown, B. 1922. The family Deinodontidae, with notice of a new genus from the Cretaceous of Alberta. American Museum of Natural History Bulletin 46: 367–385.
• Molnar, R.E. 1978. A new theropod dinosaur from the Upper Cretaceous of central Montana. Journal of Paleontology 52: 73–82.
• Molnar, R.E. 1980. An albertosaur from the Hell Creek formation of Montana. Journal of Paleontology 54: 102–108.
• Molnar, R.E. 1991. The cranial morphology of Tyrannosaurus rex. Paleontographica A 217: 137–176.
• Molnar, R.E., Kurzanov, S.M., and Dong Z.−M. 1990. Carnosauria. In: D.B. Weishampel, P. Dodson, and H. Osmólska (eds.), The Dinosauria, 169–209. University of California Press, Berkeley.
• Olshevsky, G. 1995. The origin and evolution of the tyrannosaurids [in Japanese]. Kyoryugaku Saizensen (Dino Frontline) 9: 92–119; 10: 75–99.
• Osborn, H.F. 1905. Tyrannosaurus and other Cretaceous carnivorous dinosaurs. Bulletin of the American Museum of Natural History 21: 259–265.
• Osborn, H.F. 1912. Crania of Tyrannosaurus and Allosaurus. American Museum of Natural History, Memoirs (n.s.) 1: 1–30.
• Ostrom, J.H. 1969. Osteology of Deinonychus antirrhopus, an unusual theropod dinosaur from the Lower Cretaceous of Montana. Peabody Museum of Natural History, Bulletin 30: 1–165.
• Parks, W.A. 1928. Albertosaurus arctunguis, a new species of therapodous dinosaur from the Edmonton Formation of Alberta. University of Toronto Studies 26: 1–19.
• Paul, G.S. 1988. Predatory Dinosaurs of the World. 464 pp. Simon and Schuster, New York.
• Romer, A.S. 1956. Osteology of the Reptiles. 772 pp. University of Chicago Press, Chicago.
• Romer, A.S. 1966. Vertebrate Paleontology (Third Edition). 468 pp. University of Chicago Press, Chicago.
• Rozhdestvensky, A.K. 1965. Growth changes in Asian dinosaurs and some problems of their taxonomy [in Russian]. Paleontologičeskij žurnal 1965: 95–109.
• Russell, D.A. 1970. Tyrannosaurs from the Late Cretaceous of western Canada. National Museum of Natural Sciences,Publications in Palaeontology 1: 1–34.
• Witmer, L.M. 1997. The evolution of the antorbital cavity of archosaurs: a study in soft−tissue reconstruction in the fossil record with an analysis of the function of pneumaticity. Society of Vertebrate Paleontology Memoir 3: 1–73.