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Team Phaeton  Michael J. Ryan, Ph.D.
Allosaurus fragilis skull sculpted by David West Reynolds

MICHAEL J. RYAN, Ph.D.

Biography

Education

Publications

Areas of Specialization

Current Research

Professional Associations

New Dinosaurs

Publications

Journal Articles and Book Chapters

  • Buckley, M., A. Walker, S.Y.W. Ho, Y. Yue, C. Smith, P. Ashton, J. T. Oates, E. Cappellini, H. Koon, K. Penkman, B. Watkins, D. Ashford, C. Solazzo, P. Andrews, J. Strahler, B. Shapiro, P. Ostrom, H. Gandi, W. Miller, B. Raney, M. Zylber, M.T.P. Gilbert, R.V. Prigodich, M.J. Ryan, K.F. Rijsdijk, A. Janoo, M.J. Collins. 2008. Weighing the mass spectrometric evidence for authentic Tyrannosaurus rex collagen. Science 319: 33.
  • Ryan, M. J., R. Holmes., and A.P. Russell. 2007. A revision of the centrosaurine ceratopsid Styracosaurus (Dinosauria:Ornithischia). Journal of Vertebrate Palaeontology 27: 944-962.
  • Ryan, M.J. 2007. A new basal centrosaurine ceratopsid from the Oldman formation, southeastern Alberta. Journal of Paleontology 81: 376-396.
  • Holmes, R., M. J. Ryan, and A. Murray. 2006. Photographic atlas of the postcranial skeleton of the type specimen of Styracosaurus albertensis with additional isolated cranial elements from Alberta. Syllogeus 75: 1-75.
  • Ryan, M.J., and A.P. Russell. 2005. A new centrosaurine ceratopsid from the Oldman Formation of Alberta and its implications for centrosaurine taxonomy and systematics. Canadian Journal of Earth Sciences 42: 1369-1387.
  • Ryan, M.J. and D. Evans. 2005. Review of the Ornithischia of Dinosaur Provincial Park. In P.J. Currie and E. Kopplehus (eds.) Dinosaur Provincial Park. Indiana University Press, Bloomington, Indiana. P. 313-348.
  • Powell, G.L., A.P. Russell, and M.J. Ryan. 2002. Ontogenetic scaling of the cephalic armature in the horned lizard Phrynosoma orbilulare (Squamata: Phrynosomatidae). Journal of Herpetology 36: 57 8-589.
  • Brinkman, D.B., Eberth, D.A., Ryan, M.J., and P.-j. Chen. 2001. The occurrence of Psittacosaurus xinjiangensis Sereno and Chow, 1988 in the Urho area, Junggar Basin, Xinjiang, Peoples Republic of China, with comments on the definition of the species. Canadian Journal of Earth Sciences 38: 1781-1786.
  • Eberth, D.A., P.J. Currie, D. B. Brinkman, M.J. Ryan, D.R. Braman, J.D. Gardner, V.D. Lam, D. N. Spivak, and A. G. Neuman. 2001. Alberta's dinosaurs and other fossil vertebrates: Judith River and Edmonton groups (Campanian-Maastrichtian). In C.L. Hills (ed.). Mesozoic and Cenozoic Paleontology in the Western Plains and Rocky Mountains: Guidebook for the Field Trips, Society of Vertebrate Paleontology, 61st Annual Meeting, Bozeman, Montana. Museum of the Rockies Occasional Paper No. 3: 49-75.
  • Holmes, R.B., C.A. Forster, M.J. Ryan, and K.M. Shepherd. 2001. A new species of Chasmosaurus from the Dinosaur Park Formation of Southern Alberta. Canadian Journal of Earth Sciences 38: 1423-1438.
  • Ryan, M.J., and A.P. Russell. 2001. The dinosaurs of Alberta (exclusive of Aves). In D. Tanke and K. Carpenter (eds.) Mesozoic Vertebrate Life: New Research Inspired by the Paleontology of Philip J. Currie. Indiana University Press, Bloomington, Indiana, pp. 279-297.
  • Ryan, M.J., A.P. Russell, P.J. Currie, and D.A. Eberth. 2001. Taphonomy of a Centrosaurus (Dinosauria:Ornithischia) bone bed from the Dinosaur Park Formation (Campanian) of Alberta, Canada with comments on cranial ontogeny. Palaios 16: 482-506.
  • Ryan, M.J., Currie, P.J., Gardner, G.D., Vickaryous, M.K., and J.M. Lavinge. 2000 [1999]. Baby hadrosaurid material associated with an unusually high abundance of Troodon teeth from the Horseshoe Canyon Formation, Alberta, Canada. Gaia 15: 123-133.
  • Brinkman, D.B., Ryan, M.J., and D.A. Eberth. 1998. The palaeogeographic and stratigraphic distribution of ceratopsids (Ornithischia) in the Upper Judith River Group of Western Canada. Palaios 13: 160-169.
  • Ryan, M.J., and P.J. Currie. 1998. First report of Protoceratopsians (Neoceratopsia) from the Late Campanian Judith River Group, Alberta, Canada. Canadian Journal of Earth Sciences 35: 820-826.
  • Ryan, M.J. 1997. Dryosauridae. In P.J. Currie and K. Padian (eds.). The Encyclopedia of Dinosaurs Academic Press, San Diego, California, pp. 197-198.
  • Ryan, M.J. 1997. Fruitland Formation. In P.J. Currie and K. Padian (eds.). The Encyclopedia of Dinosaurs Academic Press, San Diego, California, pp. 256-257.
  • Ryan, M.J. 1997. Kirkland Formation. In P.J. Currie and K. Padian (eds.). The Encyclopedia of Dinosaurs Academic Press, San Diego, California, pp. 390-392.
  • Ryan, M.J. 1997. Middle Asian Dinosaurs. In P.J. Currie and K. Padian (eds.). The Encyclopedia of Dinosaurs Academic Press, San Diego, California, pp. 442-444.
  • Ryan, M.J., and A.P. Russell. 1997. Color. In P.J. Currie and K. Padian (eds.). The Encyclopedia of Dinosaurs Academic Press, San Diego, California, pp. 134-135.
  • Ryan, M.J. and M.K. Vickaryous. 1997. Diet. In P.J. Currie and K. Padian (eds.). The Encyclopedia of Dinosaurs Academic Press, San Diego, California, pp. 169-174.
  • Sampson, S.D., and M.J. Ryan. 1997. Individual Variation. In P.J. Currie and K. Padian (eds.) The Encyclopedia of Dinosaurs Academic Press, San Diego, California, pp. 773-780.
  • Sampson, S.D., M.J. Ryan, and D.H. Tanke. 1997. Craniofacial ontogeny in centrosaurine dinosaurs (Ornithischia: Ceratopsidae): Taphonomic and Behavioral Phylogenetic implications. Zoological Journal of the Linnean Society 121: 293-337.
  • Vickaryous, M.K. and M.J. Ryan. 1997. Ornamentation. In P.J. Currie and K. Padian (eds.). The Encyclopedia of Dinosaurs Academic Press, San Diego, California, pp. 488-493.
  • Eberth, D.A., and M.J. Ryan. 1992. Stratigraphy, depositional environments and paleontology of the Judith River and Horseshoe Canyon Formations (Upper Cretaceous), southern Alberta, Canada. Field Guide, AAPG/SEPM Annual Convention, June 21-24, 1992.
  • Klassen, M., and M. Ryan. 1988. An annotated bibliography of fossil vertebrates: The Upper Cretaceous of China and Mongolia. Occasional Paper of the Tyrrell Museum of Palaeontology, #5.

Abstracts

  • Brown, C.M., A.P. Russell and M.J. Ryan. 2007. The developmental patterns of surficial bone texture on the skulls of centrosaurine dinosaurs. Journal of Vertebrate Paleontology 27 (supplement 3): 53A.
  • Holmes, R., M.J. Ryan, And D. Lloyd.. 2007. Restoration of the pathological parietal ornamentation of the holotype skull of Styracosaurus albertensis (CMN 344) with reference to new undistorted specimens. Horned-Dinosaur Symposium, Abstracts (ed.) D. Braman, Royal Tyrrell Museum of Palaeontology, Drumheller, Alberta p. 78-79.
  • Ryan, M.J. 2007. A probable new chasmosaurine ceratopsid from the Judith River Formation of Montana, with implications for Late Cretaceous ceratopsid evolution and palaeobiogeography. Horned-Dinosaur Symposium, Abstracts (ed.) D. Braman, Royal Tyrrell Museum of Palaeontology, Drumheller, Alberta p. 123.
  • Snively, E. and M.J. Ryan. Ontogeny of bite force in Dunkleosteus. 2007. Journal of Vertebrate Paleontology 27 (supplement 3): 150A.
  • Ryan, M.J., Evans, D.C., and Brinkman, D.B. 2007. The Southern Alberta Dinosaur Research Group: two year progress report. Alberta Palaeontological Society, Eleventh Annual Symposium, Abstracts Volume 35-37, Mount Royal College, Calgary, Alberta.
  • Ryan, M.J., D. B. Brinkman, D. A. Eberth, P. J. Currie, and D. H. Tanke. 2006. A new Pachyrhinosaurus-like ceratopsian from the upper Dinosaur Park Formation (Late Campanian) of southern Alberta, Journal of Vertebrate Paleontology 26 (supplement 3): 117A.
  • Evans, D.C., D. A. Eberth, P. J. Currie, M. J. Ryan. 2006. High resolution lambeosaurine dinosaur biostratigraphy, Dinosaur Park Formation, Alberta: sexual dimorphism reconsidered. Journal of Vertebrate Paleontology 26 (supplement 3): 59A.
  • Ryan, M.J., L. Witmer, E. Snively. 2006. Does Nanotyrannus exist? An examination of the holotype skull CMNH 7541 with comments on the functional morphology of juvenile tyrannosaurs. Alberta Palaeontological Society, Tenth Annual Symposium, Abstracts Volume, p. 34-35. Mount Royal College, Calgary, Alberta.
  • Ryan, M. J., and A.P. Russell. 2006. The status of the problematic taxon Monoclonius (Ornithischia:Ceratopsidae) and the recognition of adult-sized dinosaur taxa. Abstracts of the Geological Society of America, April 20-21, Akron, Ohio, North Central Section 78(4): 62.
  • Chapman, D., G. Jackson, D. Dunn, M. J. Ryan. 2006. The Casting Program of the Cleveland Museum of Natural History. Abstracts of the Geological Society of America, April 20-21, Akron, Ohio, North Central Section 78(4): 76.
  • Ryan, M. J., and D.C. Evans. 2005. Late Cretaceous Ceratopsids from Alberta and the Recognition of Dinosaurian Faunal Zones within Dinosaur Provincial Park. Dinosaur Provincial Park Symposium, Drumheller, Alberta, Sept. 24-25.
  • Evans, D.C., and M. J. Ryan. 2005. Hadrosaurid dinosaurs from the Judith River Group, Alberta: diversity and biostratigraphy. Dinosaur Provincial Park Symposium, Drumheller, Alberta, Sept. 24-25.
  • Ryan, M.J., and A.P. Russell. 2005. Trends in Late Cretaceous Ceratopsid Evolution in Western North America. Alberta Paleontological Society, Ninth Annual Symposium. Calgary, Alberta, March 19-20.
  • Ryan, M.J., and A.P. Russell. 2003. New centrosaurine ceratopsids from the late Campanian of Alberta and Montana and a review of contemporaneous and regional patterns of centrosaurine evolution. Journal of Vertebrate Paleontology 23 (Supplement 3): 91A
  • Ryan, M.J., Russell, A.P., and P.J. Currie. 2002. Asian small theropods in North America: Evidence from Avimimus. Alberta Paleontological Society, Sixth Annual Symposium, "Fossils 2002". Calgary, Alberta, January 26-27: 44
  • Ryan, M.J., Russell, A.P., and P.J. Currie. 2002. The presence of Asian small theropods in North America. Prairie Universities Biological Symposium, Calgary, Alberta: 57.
  • Lam, V.D., and M.J. Ryan. 2001. The Royal Tyrrell Museum Day Digs Program: public supported dinosaur research in the Drumheller Valley. Alberta Palaeontological Society Fifth Annual Symposium, Calgary, Alberta, Abstracts: 24.
  • Ryan, M.J., Currie, P.J. and A.P. Russell. 2001. New material of Avimimus portentosus. (Theropoda) from the Iren Dabasu Formation (upper Cretaceous) of the Erenhot region of Inner Mongolia. Journal of Vertebrate Paleontology 21(supplement): 95A.
  • Jacobson, A. R., and M. J. Ryan. 1999. Taphonomic aspects of theropod tooth-marked bones from an Edmontosaurus bone bed (Early Maastrichtian), Alberta, Canada. Journal of Vertebrate Paleontology 19 (3, supplement): 55A.
  • Ryan, M.J., and A.P. Russell. 1999. New horned dinosaurs from the Late Cretaceous (Campanian) of Alberta and Montana with comments on possible evolutionary patterns. Ninth Canadian Paleontology Conference, Calgary, Alberta: 23.
  • Getty, M., Eberth, D.A., Brinkman, D.B., Ryan, M. 1998. Taphonomy of three Centrosaurus bonebeds in the Dinosaur Park Formation, Alberta, Canada. Journal of Vertebrate Paleontology 18 (3, supplement): 46A.
  • Ryan, M.J., Eberth, D.A., Brinkman, D.A., and A.P. Russell. 1998. A sub-adult Styracosaurus (Ornithischia) from the Dinosaur Park Formation (Late Campanian), Alberta, Canada. Journal of Vertebrate Paleontology 18 (supplement): 72A.
  • Getty, M., Eberth, D.A., Brinkman, D.B., Tanke, D., Ryan, M., and M. Vickaryous. 1997. Taphonomy of two Centrosaurus bonebeds in the Dinosaur Park Formation, Alberta, Canada. Journal of Vertebrate Paleontology 17 (3, supplement): 48A.
  • Ryan, M.J., Currie, P.J., Gardner, G.D., and J.M. Lavinge. 1997. Embryonic hadrosaurid material associated with an unusually high abundance of Troodon teeth from the Horseshoe Canyon Formation, Alberta, Canada. Journal of Vertebrate Paleontology 17 (supplement): 72A.
  • Ryan, M.J., and P.J. Currie. 1996. First report of Protoceratopsidae (Neoceratopsia) from the Late Campanian Judith River Group, Alberta, Canada. Journal of Vertebrate Paleontology 16 (supplement): 61A.
  • Ryan, M.J., Bell, J.G., and D.A. Eberth. 1995. Taphonomy of a hadrosaur (Ornithischia:Hadrosauridae) bone bed from the Horseshoe Canyon Formation (early Maastrichtian), Alberta, Canada. Journal of Vertebrate Paleontology 15 (3, supplement): 51A.
  • Vickaryous, M.K., Ryan, M.J., Bell, J.G., and D.A. Eberth. 1995. An excavation of a hadrosaur (Ornithischia) bone bed from the Horseshoe Canyon Formation (early Maastrichtian), Alberta, Canada, as a cost recovery, public participation program. Fifth Canadian Paleontology Conference, Drumheller, Alberta: 34.
  • Ryan, M.J., and A.P. Russell. 1994. Taphonomy of a Centrosaurus (Ornithischia:Ceratopsidae) bone bed from the Dinosaur Park Formation (Upper Campanian),Alberta, Canada. Journal of Vertebrate Paleontology 14 (3, supplement): 44A.
  • Brinkman, D.B. and M.J. Ryan. 1991. The distribution of Ceratopsians in the Judith River Formation of Central Alberta and Saskatchewan with implications for paleoecology. Geological Association of Canada; Mineralogical Association of Canada; Joint Annual Meeting, Toronto, Canada. Abstracts: A15.
  • Brinkman, D.B. and M.J. Ryan. 1990. The distribution of ceratopsians in the Judith River Formation of Central Alberta. Journal of Vertebrate Paleontology 10 (3, supplement): 15A.


 

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