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Derek Larson

Derek joined the lab in 2010, after completing his MSc on the vertebrate fauna of the Milk River Formation at the University of Alberta. Derek is looking at the relationship between tooth morphology and diet in reptiles for his PhD. Using modern monitor lizards (Varanus) for comparison, analogous diets in the fossil record can be hypothesized based on tooth morphology, in particular, non-avian meat-eating dinosaurs and their avian relatives.

He is also interested in the Late Cretaceous vertebrate assemblages of North America, and  palaeocommunity composition, abundance, and disparity through time, and their relationship to changes in environment.

EMAIL: derek.larson[at]mail.utoronto.ca

PHONE: (416) 586-5591 ext. 1

PEER-REVIEWED PUBLICATIONS

Larson, D.W., and Currie, P.J. 2013. Multivariate analyses of small theropod teeth and implications for paleoecological turnover through time. PLoS ONE. Available here.

Evans, D.C., Schott, R.K., Larson, D.W., Brown, C.M., and Ryan, M.J. The oldest North American pachycephalosaurid and the hidden diversity of small-bodied ornithischian dinosaurs. Nature Communications (accepted manuscript).

Larson, D.W., Campione, N.E., Brown, C.M., Evans, D.C., and Ryan, M.J. Hadrosauroid material from the Santonian Milk River Formation of southern Alberta, Canada. The Hadrosaurs (D.C. Evans and D.E. Eberth, eds.). Indiana University Press (accepted manuscript).

Larson, D.W., Longrich, N.R., Evans, D.C., and Ryan, M.J. 2012. A new species of Neurankylus from the Milk River Formation (Cretaceous: Santonian), Alberta, and a revision of N. eximius. In: Morphology and Evolution of Turtles (D.B. Brinkman, P.A. Holroyd, and J.D. Gardner eds.) Springer Publications Vertebrate Paleobiology and Paleoanthropology Book Series, pp. 389–405.

Larson, D.W., Brinkman, D.B., and Bell, P.R. 2010. Faunal assemblages from the upper Horseshoe Canyon Formation, an early Maastrichtian cool-climate assemblage from Alberta, with special reference to the Albertosaurus sarcophagus bonebed. Canadian Journal of Earth Sciences, 49: 1159 – 1181.

Buckley, L.G., Larson, D.W., Reichel, M., and Samman, T. 2010. Quantifying tooth variation within a single population of Albertosaurus sarcophagus (Theropoda: Tyrannosauridae). Canadian Journal of Earth Sciences, 49: 1227 – 1251.

Larson, D.W. 2008. Diversity and variation of theropod dinosaur teeth from the uppermost Santonian Milk River Formation (Upper Cretaceous), Alberta: a quantitative method supporting identification of the oldest dinosaur tooth assemblage in Canada. Canadian Journal of Earth Sciences, 45: 1455-1468.

CONFERENCE ABSTRACTS

Larson, D.W., and Evans, D.C. 2012. Tooth variation in Varanus komodoensis and implications for intraspecific variation in extinct xiphodont carnivores. Journal of Vertebrate Paleontology, Program and Abstracts, 2012, 125. (oral presentation)
Larson, D.W., and Evans, D.C. 2012. Tooth variation in Varanus (Squamata: Varanidae) as a model system for interpreting small theropod tooth variation. Canadian Paleontology Conference Proceedings No. 10: 46. (oral presentation)

Larson, D.W., and Evans, D.C. 2012. Tooth variation in Varanus komodoensis. World Congress of Herpetology 7.  (oral presentation)

Larson, D.W., Brinkman, D.B., Currie, P.J., Evans, D.C., and Ryan, M.J. 2012. Vertebrate fossils of the Santonian Deadhorse Coulee Member of the Milk River Formation of southern Alberta. Alberta Palaeontological Society, 16th Annual Symposium. (poster presentation)

Larson, D.W., Brinkman, D.B., Currie, P.J., Evans, D.E., and Ryan, M.J. 2011. New information on the vertebrate assemblage of the Santonian-aged Milk River Formation of Alberta (Canada) and the emergence of latest Cretaceous vertebrate communities in North America. Journal of Vertebrate Paleontology, Program and Abstracts, 2011, 141. (poster presentation)

Larson, D.W., Campione, N.E., Brown, C.M., Evans, D.C., and Ryan, M.J. 2011. A hadrosauroid from the Santonian Milk River Formation of Alberta, Canada. International Hadrosaur Symposium Abstract Volume, 2011, 68. (oral presentation)

Larson, D.W., and Currie, P.J. 2011. Theropods through time: Identifying species turnover in small theropod dinosaurs. Ontario Ecology, Ethology, and Evolution Colloquium, 2011: 22. (oral presentation)

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

Larson, D.W., Brinkman, D.B., and Morin, J. 2010. Late Cretaceous Canadian specimens of Family Solemydidae (Testudines) with special mention of a new genus and species. Journal of Vertebrate Paleontology, Program and Abstracts, 2010, 120A. (poster presentation)

Larson, D.W. 2009. Multivariate analyses of small theropod teeth and implications for paleoecological turnovers through time. Journal of Vertebrate Paleontology, 29: 132A. (poster presentation)

Larson, D.W., and Brinkman, D.B. 2009. New specimens of Family Solemydidae (Testudines: Pancryptodira) from Canada. Gaffney Turtle Symposium Abstract Volume, 98–99. (poster presentation)

Larson, D.W., Longrich, N.R., Evans, D.C., and Ryan, M.J. 2009. Description of a new species of Neurankylus from the Milk River Formation (Cretaceous: Santonian) and a rediagnosis of N. eximius. Gaffney Turtle Symposium Abstract Volume, 100–103. (poster presentation)

Larson, D.W. 2009. Multivariate analysis of small theropod teeth and implications for palaeoecological turnovers through time. Frenchman Formation Terrestrial Ecosystem Conference, Royal Saskatchewan Museum Contribution to Science, 12: 31. (oral presentation)

Larson, D.W. 2009. Microvertebrate relative abundance trends of the latest Santonian (Late Cretaceous) Deadhorse Coulee Member of the Milk River Formation. Alberta Palaeontological Society, 13th Annual Symposium, 8. (poster presentation)

Larson, D.W. 2008. Faunal shifts as indicated by microvertebrate fossils of the latest Santonian Upper Milk River Formation, Alberta, Canada. Journal of Vertebrate Paleontology, 28: 104A. (poster presentation)

Larson, D.W. 2008. Patterns of vertebrate occurrences in the Upper Cretaceous Milk River Formation of Southern Alberta. University of Alberta Palaeontological Society, 2nd Biennial Symposium, 30–31. (poster presentation)

Larson, D.W. 2008. New theropod dinosaurs from the Milk River Formation, Alberta. Alberta Palaeontological Society, 12th Annual Symposium, 29. (poster presentation)

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