Publications

In Press

Vavrek, M.J., H.C.E. Larsson and N. Rybczynski. In Press. A Late Triassic flora from east-central Axel Heiberg Island, Nunavut, Canada. Canadian Journal of Earth Sciences.

Published

2007
de Boef, M. , and H.C.E. Larsson. 2007. Bone microstructure: quantifying bone vascular orientation. Canadian Journal of Zoology 85:63-70.

Larsson, H.C.E., and H.-D. Sues. 2007. Cranial osteology and phylogenetic relationships of Hamadasuchus rebouli (Crocodyliformes: Mesoeucrocodylia) from the Cretaceous of Morocco. Zoological Journal of the Linnaean Society, 95 pp.

Larsson, H.C.E. 2007. MODES of Developmental Evolution: origin and definition of the autopodium; 57pp. in J.S. Anderson and H.-D. Sues (eds.), Major Transitions in Vertebrate Evolution. Indiana University Press.

Larsson, H.C.E. 2007. Palatal kinesis of Tyrannosaurus rex. 19 pp. in P. Larsen and K. Carpenter (eds.), 100 years of Tyrannosaurus rex. Indiana University Press.

Maxwell, E. E. and H.C.E. Larsson. 2007. The osteology and myology of the wing of the Emu (Dromaius novaehollandiae), and its bearing on the evolution of vestigial structures. Journal of Morphology. 57 pp.

Wagner, G. P., and H.C.E. Larsson. 2007. Fins/Limbs in the Study of Evolutionary Novelties; pp. 49-61 in B.K. Hall (ed.), Fins into Limbs: Evolution, Development, and Transformation, University of Chicago Press.

Fröbisch, N.B., R.L. Carroll and R.R. Schoch. 2007. Limb ossification in the Paleozoic branchiosaurid Apateon (Temnospondyli) and the early evolution of preaxial dominance in tetrapod limb development. Evolution & Development 9(1): 69-75.

2006
(#)Fröbisch, N.B. and J. Fröbisch. 2006. A New Basal Pterosaur From the Upper Triassic of the Northern Calcareous Alps of Switzerland, Palaeontology 49: 1081–1090.

(#)Fröbisch, N.B., P.M. Sander and O.Rieppel. 2006. A new species of Cymbospondylus (Diapsida, Ichthyosauria) from the Middle Triassic of Nevada and a re-evaluation of the skull osteology of the genus. Zoological Journal of the Linnean Society 147: 515-538.

(#)Maxwell, E.E. and M.W. Caldwell. 2006. A new genus of icthyosaur from the Lower Cretaceous of Western Canada. Palaeontology 49: 1043–1052.

(#)Maxwell, E.E. and M.W. Caldwell. 2006. Evidence for a second species of the ichthyosaur Platypterygius in North America: a new record from the Loon River Formation (Lower Cretaceous) of northwestern Canada. Canadian Journal of Earth Sciences, 43: 1291-1295.

(#)Schoch, R.R. and N.B. Fröbisch. Metamorphosis and Neoteny: Alternative Pathways in an Extinct Amphibian Clade. Evolution, 60: 1467–1475.

(#)Vavrek, M.J., R.A. Stockey, and G.W. Rothwell. 2006. Osmunda vancouverensis sp. nov. (Osmundaceae), Permineralized Fertile Frond Segments from the Lower Cretaceous of British Columbia, Canada. International Journal of Plant Sciences, 167: 631–637.

Damiani, R., C.A. Sidor, J.-S. Steyer, R.M.H. Smith, F.R. O'Keefe, H.C.E. Larsson, A. Maga, O. Ide. 2006. The vertebrate fauna of the Upper Permian of Niger-V, The primitive temnospondyl Saharastega moradiensis. Journal of Vertebrate Paleontology 26: 559-572.

O'Keefe, F. R., C. A. Sidor, C. A., H. C. E. Larsson, A. Maga, O. Ide. 2006. Evolution and homology of the astragalus in early amniotes: new fossils, new perspectives. Journal of Morphology 267:415-425.

Steyer, J.S., Damiani, R., Sidor, C.A., O'Keefe, F.R., Larsson, H.C.E., Maga, A., and Ide, O. 2006. The vertebrate fauna of the Upper Permian of Niger. IV. Nigerpeton ricqlesi (Temnospondyli: Cochleosauridae), and the edopoid colonization of Gondwana. Journal of Vertebrate Paleontology 26:18-28.

2005
Larsson, H.C.E. 2005. Hatching of an accountable science. Science 307:520. [book review]

O'Keefe, F. R., C. A. Sidor, C. A., H. C. E. Larsson, A. Maga, O. Ide. 2005. Vertebrate fauna of the Upper Permian of Niger - III, morphology and ontogeny of the hindlimb of Moradisaurus grandis (Reptilia, Captorhinidae). Journal of Vertebrate Paleontology 25:309-319.

Sidor, C.A., F. R. O'Keefe, R. Damiani, J. S. Steyer, R. M. H. Smith, H. C. E. Larsson, P. C. Sereno, O. Ide, A. Maga. 2005. Permian tetrapods from the Sahara show climate-controlled endemism in Pangea. Nature 434: 886-889.

2003
Larsson, H. C. E. and G. P. Wagner. 2003. Old morphologies misinterpreted. Trends in Ecology and Evolution 18(1): 10.

Larsson, H. C. E. 2003. Jurassic Spark : Philip Currie. Time, November 3: 52-53.

Sereno, P.C., C. A. Sidor, H. C. E. Larsson, and B. Gado. 2003. A new notosuchian from the Early Cretaceous of Niger. Journal of Vertebrate Paleontology 23(2):477-482.

Wagner, G.P., and H.C.E. Larsson. 2003. What is the promise of developmental evolution? III. The crucible of developmental evolution. Journal of Experimental Zoology (Molecular Biology and Evolution) 300B:1-4.

2002
Larsson, H.C.E. and G. P. Wagner. 2002. The pentadactyl ground state of the avian wing. Journal of Experimental Zoology (Molecular and Developmental Evolution) 294:146-151.

2001
Larsson, H.C.E. 2001. The endocranial anatomy of Carcharodontosaurus saharicus (Theropoda: Allosauroidea) and its implications for theropod brain evolution; pp. 19-33 in D. Tanke and K. Carpenter (eds.), Mesozoic Vertebrate Life. Indiana University Press.

Sereno, P.C., H. C. E. Larsson, C. A. Sidor, and B. Gado. 2001. The giant crocodyliform Sarcosuchus from the Cretaceous of Africa. Science 294:1516-1519.

2000
Larsson, H.C.E. 2000. Ontogeny and Phylogeny of the Archosauriform Skeleton. Ph.D. Thesis, University of Chicago, 500pp.

Larsson, H.C.E. and B. Gado. 2000. A new Early Cretaceous crocodyliform from Niger. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 214(1):131-141.

Larsson, H.C.E., P. C. Sereno, and J. A. Wilson. 2000. Forebrain enlargement among nonavian theropod dinosaurs. Journal of Vertebrate Paleontology 20(3):615-618.

1999
Larsson, H.C.E. and C. A. Sidor. 1999. Unusual crocodyliform teeth from the Late Cretaceous (Cenomanian) of southeastern Morocco. Journal of Vertebrate Paleontology 19(2):398-401.

Sereno, P.C., A. B. Beck, D. B. Dutheil, H. C. E. Larsson, G. H. Lyon, B. Moussa, R. W. Sadleir, C. A. Sidor, D. J. Varricchio, G. P. Wilson, and J. A. Wilson. 1999. Cretaceous sauropods from the Sahara and the uneven rate of skeletal evolution among dinosaurs. Science 286:1342-1347.

1998
Larsson, H.C.E. 1998. A new method for comparing ontogenetic and phylogenetic data and its application to the evolution of the crocodylian secondary palate. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 210(3):345-368.

1996
Sereno, P.C., Beck, A.L., Dutheil, D.B., Gado, B., Larsson, H.C.E., Lyon, G.H., Marcot, J.D., Rauhut, O.W.M., Sadleir, R.W., Sidor, C.A., Varricchio, D.D., Wilson, G.P., and Wilson, J.A. 1998. A long-snouted predatory dinosaur from Africa and the evolution of spinosaurids. Science 282:1298-1302.

Sereno, P.C., D. B. Duthiel, M. Iarochene, H. C. E. Larsson, G. H. Lyon, P. M. Magwene, C. A. Sidor, D. J. Varricchio, and J. A. Wilson. 1996. Predatory dinosaurs from the Sahara and Late Cretaceous faunal differentiation. Science 272:986-991.

1994
Sereno, P.C., J. A. Wilson, H. C. E. Larsson, D. B. Duthiel, and H.-D. Sues. 1994. Early Cretaceous dinosaurs from the Sahara. Science 266:267-271.

Conference Abstracts

2006
de Boef, M. and Larsson, H.C.E. 2006. Using longbone microstructure to determine age and growth rates in the ringed seal (Pusa hispida). Canadian Society of Zoologists annual meeting Edmonton, AB (abstract volume p.129)

Dececchi, T.A., and Larsson, H.C.E. 2006. Forelimb evolution in theropods (Dinosauria) and its implication for avian origins. Canadian Society of Zoologists annual meeting Edmonton, AB (abstract volume p.36)

Dececchi, T.A., and H.C.E. Larsson. 2006. Evolutionary trends in theropod forelimb evolution. Society of Vertebrate Paleontology annual meeting, Ottawa ON, Oct 2006 (Journal of Vertebrate Paleontology 26:55A)

Harrison, L., and H.C.E. Larsson. 2006. Evolution of amniote ossification patterns: a novel approach to inferring ancestral developmental sequences. Society of Vertebrate Paleontology annual meeting, Ottawa ON, Oct 2006 (Journal of Vertebrate Paleontology 26:72A)

Larsson, H.C.E., Morison, S., and Bure, L. 2006. Developmental mechanisms of avian tail reduction. Canadian Society of Zoologists annual meeting Edmonton, AB (abstract volume p.15-16)

Larsson, H.C.E., A. Ebn-Al-Nassir, S. Morison, and L. Bure. 2006. Developmental mechanisms implicated in the evolution of theropod-avian tail reduction. Society of Vertebrate Paleontology annual meeting, Ottawa ON, Oct 2006 (Journal of Vertebrate Paleontology 26:89A)

Maxwell, E.E., A. Michel, H.C.E. Larsson, and A. Heppleston. 2006. The anatomy of the Emu wing: and example of primary digital reduction in archosaurs. Society of Vertebrate Paleontology annual meeting, Ottawa ON, Oct 2006 (Journal of Vertebrate Paleontology 26:97A)

Tissandier, S.C., and Larsson, H.C.E. 2006. Modular disparity in actinopterygian pectoral fins. Canadian Society of Zoologists annual meeting Edmonton, AB (abstract volume p.128)

Vavrek, M.J., and H.C.E. Larsson. 2006. Analysis of dinosaur diversity and provinciality in Late Cretaceous North America. Society of Vertebrate Paleontology annual meeting, Ottawa ON, Oct 2006 (Journal of Vertebrate Paleontology 26:135A)

2005
de Boef, M., and H.C.E. Larsson. 2005. New metrics for quantifying bone microstructure. Canadian Society of Zoologists Conference, Queens University, Kingston, ON, May 2005 (abstract volume p. T59)

Heppleston, A., and H.C.E. Larsson. 2005. Limb bud perturbations fail to support the digital arch model. Canadian Society of Zoologists Conference, Queens University, Kingston, ON, May 2005 (abstract volume p. T7)

Larsson, H.C.E. and E.E. Maxwell. Evolution of theropod endocrania and brains. Dinosaur Park Symposium, Royal Tyrrell Museum, Drumheller, Alberta 24-25 Sep 2005 (abstract volume p.55)

Larsson, H.C.E. 2005. Modules of developmental evolution: what really lies at the intersection of paleontology and developmental biology? Society of Vertebrate Paleontology annual meeting Mesa, AZ (Journal of Vertebrate Paleontology 25: 82A)

Larsson, H.C.E. Pentadactyl ground state of the Alligator limb. Canadian Society of Zoologists Conference, Queens University, Kingston, ON, May 2005 (abstract volume p. T116)

Maxwell, E.E., and H.C.E. Larsson. Endocast of Ornithomimus. Dinosaur Park Symposium, Royal Tyrrell Museum, Drumheller, Alberta 24-25 Sep 2005 (abstract volume p.59)

O'Keefe, F.R., Sidor, C.A., Larsson, H.C.E. 2005. Evolutionary development of the amniote astragalus: new fossils, new perspectives. Society of Vertebrate Paleontology annual meeting Mesa, AZ (Journal of Vertebrate Paleontology 25: 98A)

Sidor, C.A., Larsson, H.C.E., O'Keefe, F.R., Blackburn, D., Smith, R.M.H. 2005. Upper Permian captorhinid and pareiasaur reptiles from Niger: new data and interpretation. Society of Vertebrate Paleontology annual meeting Mesa, AZ (Journal of Vertebrate Paleontology 25: 115A)

Steyer, J.S., Daminani, R.B, Sidor, C.A., Smith, R.M.H., O'Keefe, F.R., and Larsson, H.C.E. 2005. Permian temnospondyls from the Sahara show edopoid colonization of Africa. Society of Vertebrate Paleontology annual meeting Mesa, AZ (Journal of Vertebrate Paleontology 25: 118A)

Tissandier, S., and Larsson, H.C.E. 2005. Insights from modular disparity of actinopterygian pectoral fins. Society of Vertebrate Paleontology annual meeting Mesa, AZ (Journal of Vertebrate Paleontology 25: 122A)

2004
O'Keefe, F.R., C.A. Sidor, H.C.E. Larsson. 2004. Morphology and ontogeny of the hindlimb of the large captorhinid Moradisaurus grandis. Society of Vertebrate Paleontology, Denver, CO, Oct. 2004 (Journal of Vertebrate Paleontology 24: 99A)

Sidor, C.A., R. Damiani, H.C.E. Larsson, F.R. O'Keefe, R.M.H. Smith, J.-S. Steyer. 2004. Late Permian tetrapod biogeography: new insights from West Africa. Society of Vertebrate Paleontology, Denver, CO, Oct. 2004 (Journal of Vertebrate Paleontology 24:113A)

2003
Larsson, H.C.E. Evolutionary innovation of the autopodium: testing developmental mechanisms of the fin-limb transition. Canada Palaeontology Conference, Huntsman Marine Station, NB, Aug. 2003

Sidor et al. Late Permian tetrapods from the Sahara. Society of Vertebrate Paleontology, St. Paul, MN, Oct. 2003

Takahashi, K. C.-h. Chiu, C. Amemiya, F. Ruddle, H.C.E. Larsson, and G.P. Wagner. Sequence evolution of Hoxa-11 and Hoxa-13 suggests an early origin of the autopodial field early origin of the autopodial field. Society of Integrative and Comparative Biology, Toronto, Ontario. Jan. 2003.

2002
Larsson, H.C.E., and G.P. Wagner. New evidence concerning avian digit homology. Evolution, Urbana-Champaign, IL, June 2002 (abstract volume p. 20)

Larsson, H.C.E., and G.P. Wagner. New evidence of the evolution and development of bird wing digits. Society of Vertebrate Paleontology, Norman, OK, Oct. 2002 [plenary]

Sues, H.-D., and H.C.E. Larsson. Cranial structure and phylogenetic relationships of the enigmantic crocodyliform Hamadasuchus rebouli from the Cretaceous of Morocco. Society of Vertebrate Paleontology, Norman OK, Oct. 2002

2001
Larsson, H.C.E. The burden of homoplasy: evolution and development of morphological plasticity. Evolution, Knoxville, TN, June 2001 (abstract volume p. 74)

Larsson, H.C.E. The burden of morphological change: using paleontological data to examine a theory of evolutionary developmental biology. Society of Vertebrate Paleontology, Bozeman, MT, Oct. 2001

2000
Smith, J., Andersen, A., and H.C.E. Larsson. Results of a high resolution CT-scan of Coelophysis bauri (Upper Triassic Chinle Formation, New Mexico). Society of Vertebrate Paleontology, Mexico City, Mexico, Oct. 2000

1999
Andersen et al. Animation of 3-D digital data: the walking Triceratops. Society of Vertebrate Paleontology, Denver, CO, Oct. 1999

Larsson, H.C.E. Ontogeny and phylogeny of the crocodylian limb skeleton. Evolution Madison, WI, June 1999

Larsson, H.C.E. Limb character associations in archosauromorphs: models of compartmentalization, integration, and morphogenetic trees. Society of Vertebrate Paleontology, Denver, CO, Oct. 1999

Sereno et al. A new sauropod from the Early Cretaceous of the Niger Republic. Society of Vertebrate Paleontology, Denver, CO, Oct. 1999

1998
Andersen, A., and H.C.E. Larsson. Digital scanning, archiving, and scaled modeling of fossil specimens. Society of Vertebrate Paleontology, Snowbird, UT, Oct. 1998

Larsson, H.C.E. A new comparative method for integrating ontogenetic and phylogenetic data: an application to the evolution of the crocodylian secondary palate. Evolution, Vancouver, BC, June 1998

Larsson, H.C.E. A new basal crocodyloid (Crocodylia: Brevirostres) from the Early Cretaceous of the Ténéré Desert, Niger Republic. Society of Vertebrate Paleontology, Snowbird, UT, Oct. 1998

Sereno et al. New theropods from the Middle Cretaceous deposits of the Ténéré Desert, Niger Republic. Society of Vertebrate Paleontology, Snowbird, UT, Oct. 1998

Sereno et al. A Late Cretaceous carcharodontosaurid (Theropoda: Allosauroidea) from Argentina. Society of Vertebrate Paleontology, Snowbird, UT, Oct. 1998

1997
Andersen, A., and H.C.E. Larsson. Digital techniques for fossil specimens. Society of Vertebrate Paleontology, Chicago, IL, Oct. 1997

Larsson, H.C.E. Ontogeny and phylogeny from and alligator's perspective. American Society of Ichthyologists and Herpetologists, Seattle, WA, June 1997

Larsson, H.C.E. Ontogenetic and phylogenetic character correlation: cladistics and von Baer from and alligator's perspective. Society of Vertebrate Paleontology, Chicago, IL, Oct. 1997

Sidor, C.A., and H.C.E. Larsson. Unusual crocodylomorph teeth from the Kem Kem beds (Late Cretaceous: Cenomanian) of southeastern Morocco. Society of Vertebrate Paleontology, Chicago, IL, Oct. 1997

1996
Larsson, H.C.E. Cranial morphology of the African theropod, Carcharodontosaurus saharicus (Allosauroidea). Society of Vertebrate Paleontology, New York, NY, Oct. 1996

Larsson, H.C.E. Phylogenetic analysis of extant alligatorids. American Society of Ichthyologists and Herpetologists, New Orleans, LA, June 1996

1994
Sereno et al. Dinosaur evolution on southern continents: new evidence from Cretaceous deposits in the Sahara. Society of Vertebrate Paleontology, Seattle, WA, Oct. 1994