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Caleb M. Brown, Ph.D.

Caleb Brown earned an Hon. B.Sc. in Zoology and M.Sc. in Vertebrate Palaeontology from the University of Calgary. Caleb examined patterns of growth in the frill of centrosaurine (horned) dinosaurs. His M.Sc thesis studied the systematics of Thescelosaurus and other basal ornithopods dinosaurs from western Canada. Caleb completed his Ph.D. in the Evans lab in 2013. For his Ph.D research, he investigated population-level variation and  evolutionary morphology in horned dinosaurs from Alberta, and quanitatively tested  hypotheses of evolutionary mode (i.e., punctuated equilibrium) in dinosaurs for the first time. Caleb  has extensive field experience in Alberta, Mongolia, China, and the Canadian sub-arctic. He is now a postdoctoral fellow at the Royal Tyrrell Museum in Alberta.

EMAIL: caleb.brown(at)mail.utoronto.ca

CURRENT POSITION: Postdoctoral Researcher, Royal Tyrrell Museum

PEER-REVIEWED PUBLICATIONS

Citation information available from Google Scholar Citations here.

Brown, C. M., D. C. Evans,  M. J. Ryan, and A. P. Russell. 2013. New data on the diversity and abundance of small-bodied ornithopods (Dinosauria: Ornithischia) from the Belly River Group (Campanian) of Alberta. Journal of Vertebrate Paleontology 33(3):1–26. Available for free download here. [Feature Article]

Evans, D. C., R. Schott, D. Larson, C. M. Brown, and M. J. Ryan. 2013. The oldest North American pachycephalosaurid and the hidden diversity of small-bodied ornithischian dinosaurs. Nature Communications 4:1828. doi:10.1038/ncomms2749

Larson, D., N. E. Campione, C. M. Brown, D. C. Evans, and M. J. Ryan. In Press. Hadrosauroid material from the Santonian Milk River Formation of southern Alberta, Canada. Proceeding of the International Hadrosaur Symposium.

Brown, C. M., J. A. Arbour and D. Jackson. 2012. Testing of the effect of missing data estimation and distribution in morphometric multivariate data analyses. Systematic Biology. 61(6): p 941-954.

Brown, C. M., H. Giacomini, N. E. Campione, L. O’Brien, M. Vavrek, and D. C. Evans. (In press). Ecological modelling, size distributions, and taphonomic size bias in dinosaur faunas: a comment on Codron et al., 2012. Biology Letters. Published online here.

Brown, C. M., D. C. Evans, N. E. Campione, L. J. O’Brien, and D. A. Eberth (accepted). Evidence for Taphonomic Size Bias in a Model Mesozoic Terrestrial Alluvial-Paralic System. Palaeogeography, Palaeoclimatology, Palaeoecology.

Ryan, M. J., D. C. Evans, P. J. Currie, C. M. Brown, and D. Brinkman. 2012.  New neoceratopsian dinosaurs from the Late Cretaceous of southern Alberta. Cretaceous Research 35: 69-80. Available (subscription) here.

Brown CM, A. P. Russell. 2012. Homology and Architecture of the Caudal Basket of Pachycephalosauria (Dinosauria: Ornithischia): The First Occurrence of Myorhabdoi in Tetrapoda. PLoS ONE 7(1): e30212. doi:10.1371/journal.pone.0030212

Brown, C. M., C. A. Boyd, A. P. Russell. 2011. A new basal ornithopod dinosaur (Frenchman Formation, Saskatchewan, Canada) and its implications for late Maastrichtian ornithischian diversity in North America. Zoological Journal of the Linnaen Society. 163 p 1157-1198.

Brown, C. M. and P. Druckenmiller. 2011. Basal Ornithopod (Ornithischia: Ornithopoda) Teeth from the Late Cretaceous Prince Creek Formation of Alaska. Canadian Journal of Earth Sciences. 48 p. 1342-1354.

Schott R. K., D. C. Evans, M. B. Goodwin, J. R. Horner, C. M. Brown, and N. R. Longrich. 2011. Cranial Ontogeny in Stegoceras validum (Dinosauria: Pachycephalosauria): A Quantitative Model of Pachycephalosaur Dome Growth and Variation. PLoS ONE 6(6): e21092. doi:10.1371/journal.pone.0021092.

Evans, D. C., C. M. Brown, M. J. Ryan, K. Tsogtbattar. 2011. Cranial ornamentation and ontogenetic status of Homalocephalae calathocercos (Ornithischia: Pachycephalosauria) from the Nemegt Formation, Mongolia. Journal of Vertebrate Paleontology. 31:1 p. 84-92.

Boyd C. A., C. M. Brown, R. Scheetz and J. Clarke. 2009. Taxonomic revision of the basal neornithischian taxa Thescelosaurus and Bugenasaura. Journal of Vertebrate Paleontology. 29:3 p. 758-770.

Brown C. M., A. P. Russell, and M. J. Ryan. 2009. Pattern and transition of surficial bone texture of the centrosaurine frill and their ontogenetic and taxonomic implications. Journal of Vertebrate Paleontology. 29:1 p. 132-141.

NON-PEER-REVIEWED PUBLICATIONS

Edited Volumes:

O’Brien, L. J., C. M. Brown, and K. S. Brink. 2012. Canadian Paleontology Conference Proceedings No. 10. The Geological Association of Canada, Memorial University of Newfoundland, St. Johns. 80 p.

Software:

Arbour J. H. and C. M. Brown. LOST: missing morphometric data simulation and estimation. V 1.0. R statistical software package. CRAN: http://cran.r-project.org/

Conference Abstracts:

Brown C. M., D. C. Evans, N. E. Campione , L. J. O’Brien, and D. A. Eberth. 2012 Evidence for taphonomic size bias in a model Mesozoic terrestrial alluvial-paralic system. Journal of Vertebrate Paleontology, Program and Abstracts, 2012, 69.  Oct 17. Raleigh, NC. (oral)

Druckenmiller P. S., G. M. Erickson, D. B. Brinkman, C. M. Brown. 2012. Dinosaur diversity in the arctic: new records of polar dinosaurs based on microvertebrate analysis from the Upper Cretaceous Prince Creek Formation, northern Alaska. Journal of Vertebrate Paleontology, Program and Abstracts, 2012, 88. Oct. 20. Raleigh, NC. (oral)

Brown C. M., D. C. Evans, N. E. Campione , L. J. O’Brien, and D. A. Eberth. 2012. The false rarity of small dinosaurs: evidence for taphonomic size bias in a model Mesozoic terrestrial alluvial-paralic system. Canadian Paleontology Conference Proceedings No. 10, p18-19. Sept 22, 2012. Toronto (poster) – Winner of best student poster prize.

Chiba, K. R., Y. Kobayashi, M. J. Ryan, D. C. Evans, and C. M. Brown. 2011. Taphonomy of a new Centrosaurus bonebed from the Oldman Formation (Campanian) of Southern Alberta, A comparison across formations and time. Journal of Vertebrate Paleontology, Program and Abstracts, 2011, 88.  Nov 4. Las Vegas. (poster)

Larson, D. W., N. E. Campione, C. M. Brown, D. E. Evans, M. J. Ryan. 2011. A hadrosaurid from the Santonian Milk River Formation of Canada. 2011 International Hadrosaur Symposium. Drumheller, Alberta. (oral)

Brown, C. M., A. P. Russell, D. C. Evans, M. J. Ryan, D. Brinkman. 2011. New evidence concerning diversity and abundance of small-bodied ornithopods from the Belly River Group (Campanian) of Alberta. Nov 3. Las Vegas. (oral)

Brown, C. M. and J. Arbour.2011. Testing the effects of missing data on morphometric multivariate data analyses: implications for quantitative palaeobiology. Canadian Society for Ecology and Evolution. May 15. Banff, Alberta. (oral)

Brown, C. M. and J. Arbour.2011. Comparison of missing data estimation techniques in morphometric analyses: a case study for quantitative palaeobiology. Ontario Ecology, Ethology, and Evolution Colloquium. May 7. Scarborough, Ontario. (oral)

Brown, C. M. 2010. Testing morphometric multivariate data analyses: Missing data and taxonomic clustering. 54th Palaeontological Association Annual Meeting. Newsletter number 75. Pp. 40. Dec 17. Ghent, Belgium. (poster)

Brown, C. M. and P. S. Druckenmiller. 2010. Basal ornithopod (Dinosauria: Ornithischia) teeth from the Prince Creek Formation (Campanian-Paleocene), North Slope, Alaska: taxonomy and faunal comparison. Journal of Vertebrate Paleontology, SVP Program and Abstract Book, 2010, 65A.  Oct 13. Pittsburgh. (poster)

Schott, R. K., D. C. Evans, C. M. Brown, M. Goodwin and N. R. Longrich. 2010. Cranial ontogeny in Stegoceras and the evolution of cranial doming and ornamentation in Pachycephalosauria (Dinosauria: Ornithischia). Journal of Vertebrate Paleontology, SVP Program and Abstract Book, 2010, 159A.  Oct 13. Pittsburgh. (oral)

Ryan, M. J., D. C. Evans, C. M. Brown, E. Scott and K. Chiba. 2010. Paleobiogeographic range of Centrosaurus apertus (Ornithischia: Ceratopsidae), with implications for Late Cretaceous dinosaur provinciality and evolution. Journal of Vertebrate Paleontology, SVP Program and Abstract Book, 2010, 154-155A.  Oct 13. Pittsburgh. (oral)

Evans, D. C., R. K. Schott, M. J. Ryan, C. M. Brown and D. Larson. 2010. A Santonian-aged pachycephalosaurid from North America and the evolution and diversity of Pachycephalosauria. Journal of Vertebrate Paleontology, SVP Program and Abstract Book, 2010, 86A.  Oct 13. Pittsburgh. (oral)

Brown, C. M., A. P. Russell, and C. A. Boyd. 2009. A new species of Thescelosaurus (Dinosauria: Ornithischia) from the Frenchman Formation (late Maastrichtian) of Saskatchewan, with comments on Late Cretaceous Ornithischian diversity. Journal of Vertebrate Paleontology 29:3 p. 70A. Sept 25. University of Bristol, Bristol, United Kingdom. (oral)

Brown, C. M., C. A. Boyd, and A. P. Russell. 2009. A new species of Thescelosaurus from the Frenchman Formation of Saskatchewan, and comments on Late Cretaceous basal neornithischian diversity. Frenchman Formation Terrestrial Ecosystem Conference Abstract Volume. p. 9. May 17-20. Eastend, Saskatchewan. (oral)

Brown, C. M., C. A. Boyd, and A. P. Russell. 2009. Reevaluation of Thescelosaurus and related taxa based on newly discovered specimens. Alberta Palaeontological Society Symposium Abstract Volume. p. 6-7. March 13-14. Mount Royal College, Calgary, Alberta. (poster)

Schott, R. K., N. R. Longrich, C. M. Brown, D. C. Evans. 2009. The first definitive flat-headed Stegoceras validum (Ornithischia; Pachycephalosauridae). Alberta Palaeontological Society Symposium Abstract Volume. p. 30-31. March 13-14. Mount Royal College, Calgary, Alberta. (poster)

Brown, C. M., C. A. Boyd, and A. P. Russell. 2008.  New specimens of Thescelosaurus and their implications for taxonomy and phylogeny of basal Neornithischians. Journal of Vertebrate Paleontology 28:3 p. 57A October 15-18. Cleveland Museum of Natural History, Cleveland, Ohio. (poster)

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 Palaeontology 27:3 p. 53A October 17-20. University of Texas, Austin, Texas. (poster)

Brown, C. M., A. P. Russell, and M. J. Ryan. 2007. Size-associated surficial bone texture changes of the centrosaurine frill: patterns and implications. Ceratopsian Symposium Abstract Volume. p. 8-11. September 22-23. Royal Tyrrell Museum of Palaeontology, Drumheller, Alberta. (oral)

Brown, C. M. and A. P. Russell. 2007. Ontogenetic changes of surficial bone texture on the skulls of centrosaurine dinosaurs: patterns and implications. Canadian Society of Zoologists Abstract Volume. p. 68. May 22. McGill University, Montreal, Quebec. (oral)

Brown, C. M. and A. P. Russell. 2007. Surficial bone texture on the skulls of centrosaurine dinosaurs: Mass death assemblages and population structure. Prairie University Biology Symposium Abstract Volume. p. 24. February 22-24. University of Regina, Regina, Saskatchewan. (oral)

Brown, C. M. and A. P. Russell. 2007. Growth-related changes in surficial texture of centrosaurine dinosaur skulls: Implications for the interpretations of population structure. Alberta Palaeontological Society Symposium Abstract Volume. p. 8. March 17-18. Mount Royal College, Calgary, Alberta. (poster)

Brown, C. M. 2006. Quantitative analysis of centrosaurine surficial bone texture. University of Alberta Palaeontological Society Biannual Symposium Abstract Volume. p. 24. March 8. University of Alberta, Edmonton, Alberta. (poster)

Brown, C. M. 2006. Quantitative analysis of centrosaurine surficial bone texture. Alberta Palaeontological Society Symposium Abstract Volume. p. 5. March 18-19. Mount Royal College, Calgary, Alberta. (poster)

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