Publications



Papers:
Gwénaël Caravaca, Christophe Thomazo, Emmanuelle Vennin, Nicolas Olivier, Théophile Cocquerez, Gilles Escarguel, Emmanuel Fara, James F. Jenks, Kevin G. Bylund, Daniel A. Stephen, Arnaud Brayard, 2017, Early Triassic fluctuations of the global carbon cycle: New evidence from paired carbon isotopes in the western USA basin, Global and Planetary Change, Volume 154, Pages 10-22

Loïc Villier, Arnaud Brayard, Kevin G. Bylund, James F. Jenks, Gilles Escarguel, Nicolas Olivier, Daniel A. Stephen, Emmanuelle Vennin, and Emmanuel Fara, 2017, Superstesaster promissor gen. et sp. nov., a new starfish (Echinodermata, Asteroidea) from the Early Triassic of Utah, USA, filling a major gap in the phylogeny of asteroids, Journal Of Systematic Palaeontology

Gwénaël Caravaca, Arnaud Brayard, Emmanuelle Vennin, Michel Guiraud, Laetitia Le Pourhiet, Anne-Sabine Grosjean, Christophe Thomazo, Nicolas Olivier, Emmanuel Fara, Gilles Escarguel, Kevin G Bylund, James F Jenks, Daniel A Stephen, 2017, Controlling factors for differential subsidence in the Sonoma Foreland Basin (Early Triassic, western USA), Geological Magazine

A. Brayard, L. J. Krumenacker, J. P. Botting, J. F. Jenks, K. G. Bylund, E. Fara, E. Vennin, N. Olivier, N. Goudemand, T. Saucède, S. Charbonnier, C. Romano, L. Doguzhaeva, B. Thuy, M. Hautmann, D. A. Stephen, C. Thomazo, G. Escarguel, 2017, Unexpected Early Triassic marine ecosystem and the rise of the Modern evolutionary fauna. Science Advances

Thomazo, C; E. Vennin, A. Brayard, I. Bour, O. Mathieu, S. Elmeknassi, N. Olivier, G. Escarguel, K. G. Bylund, J. Jenks, D. A. Stephen, E. Fara, 2016, A diagenetic control on the Early Triassic Smithian–Spathian carbon isotopic excursions recorded in the marine settings of the Thaynes Group (Utah, USA) , Geobiology

Brayard, Arnaud; Meier, Maximiliano; Escarguel, Gilles; Fara, Emmanuel; Nützel, Alexander; Olivier, Nicolas; Bylund, Kevin G; Jenks, James F; Stephen, Daniel A; Hautmann, Michael; 2015; Early Triassic Gulliver gastropods: Spatio-temporal distribution and significance for biotic recovery after the end-Permian mass extinction; Earth-Science Reviews

Vennin, Emmanuelle; Olivier, Nicolas; Brayard, Arnaud; Bour, Ivan; Thomazo, Christophe; Escarguel, Gilles; Fara, Emmanuel; Bylund, Kevin G; Jenks, James F; Stephen, Daniel; 2015; Microbial deposits in the aftermath of the end-Permian mass extinction: A diverging case from the Mineral Mountains (Utah, USA); Sedimentology

Olivier, Nicolas; Brayard, Arnaud; Vennin, Emmanuelle; Escarguel, Gilles; Fara, Emmanuel; Bylund, Kevin G; Jenks, James F; Caravaca, Gwénaël; Stephen, Daniel A; 2015; Evolution of depositional settings in the Torrey area during the Smithian (Early Triassic, Utah, USA) and their significance for the biotic recovery; Geological Journal

Olivier, Nicolas; Brayard, Arnaud; Fara, Emmanuel; Bylund, Kevin G; Jenks, James F; Vennin, Emmanuelle; Stephen, Daniel A; Escarguel, Gilles; 2014; Smithian shoreline migrations and depositional settings in Timpoweap Canyon (Early Triassic, Utah, USA); Geological Magazine

Hofmann, Richard; Hautmann, Michael; Brayard, Arnaud; Nützel, Alexander; Bylund, Kevin G; Jenks, James F; Vennin, Emmanuelle; Olivier, Nicolas; Bucher, Hugo; 2014; Recovery of benthic marine communities from the end-Permian mass extinction at the low latitudes of eastern Panthalassa; Palaeontology

Brayard, Arnaud; Bylund, Kevin G; Jenks, James F; Stephen, Daniel A; Olivier, Nicolas; Escarguel, Gilles; Fara, Emmanuel; Vennin, Emmanuelle; 2013; Smithian ammonoid faunas from Utah: implications for Early Triassic biostratigraphy, correlation and basinal paleogeography. Swiss Journal of Paleontology.

Stephen, Daniel A; Bylund, Kevin G; Garcia, Patricia; McShinsky, R Dawn; Carter, Holly Jean; 2012; Taphonomy of dense concentrations of juvenile ammonoids in the Upper Cretaceous Mancos Shale, east-central Utah, USA. Geobios45(1):121-128.

Brayard, Arnaud; Vennin, Emmanuelle; Olivier, Nicolas; Bylund, Kevin G; Jenks, Jim; Stephen, Daniel A; Bucher, Hugo; Hofmann, Richard; Goudemand, Nicolas; Escarguel, Gilles; 2011; Transient metazoan reefs in the aftermath of the end-Permian mass extinction, NatureGeoscience,Vol. 4, no. 10.

Arnaud Brayard, Alexander Nützel, Andrzej Kaim, Gilles Escarguel, Michael Hautmann, Daniel A. Stephen, Kevin G. Bylund, Jim Jenks, and Hugo Bucher, 2011, Gastropod evidence against the Early Triassic Lilliput effect: REPLY Geology, v. 39, p. e233

Stephen, Daniel A.; Bylund, Kevin G.; Bybee, Paul J.; Ream, Wesley J.; 2010; Ammonoid beds in the Lower Triassic Thaynes Formation of western Utah, USA; Cephalopods: Present and Past, edited by K. Tanabe, Y. Shigeta and T. Sasaki & H. Hirano. Tokai University Press, Tokyo, p. 243-252

Brayard, Arnaud; Nützel, Alexander; Stephen, Daniel A; Bylund, Kevin G; Jenks, Jim; Bucher, Hugo; 2010; Gastropod evidence against the Early Triassic Lilliput effect, Geology , v. 38, no. 2, p. 147-150. See the story on Science Daily

Pisera, A; Rigby, J K; Bylund, K G; 1996; Lower Triassic hexactinellid sponges from the Confusion Range, Western Utah; Brigham Young University Geology Studies, vol. 27, pt 2 Download a copy Here

Pictures of ammonoids I have collected have been published in:


Hintze, L. F., and Davis, F. D., 2003, Geology of Millard County, Utah: Utah Geological Survey Bulletin 133

Hintze, L. F., 2005, Utah's Spectacular Geology: How It Came to Be: BYU Print Services

Colin Dunlop and Nancy King, , 2008, Cephalopods: Octopuses and Cuttlefish for the Home Aquarium, TFH Publications

Hintze, L. F., and Kowallis, B. J., 2009, Geologic History of Utah: BYU Geology Studies, Special Publication 9

Abstracts:


D.A. STEPHEN, K.G. BYLUND, H.J. CARTER, P. GARCIA, 2010, Taphonomy of dense concentrations of juvenile ammonoids in the Mancos Shale, east-central Utah, USA, 8th International Symposium, Cephalopods – Present and Past (Dijon – France 2010), Oral presentation, Abstract volume.


K.G. BYLUND and; D.A. STEPHEN, 2010, Coniacian (Late Cretaceous) ammonoid fauna of eastern Utah, USA, 8th International Symposium, Cephalopods – Present and Past (Dijon – France 2010) Poster Abstract volume.


K.G. BYLUND, D.A. STEPHEN, A. BRAYARD, H. BUCHER, J. JENKS, R.D. McSHINSKY, 2010, Early Triassic ammonoids from the Pahvant Range, Utah, USA, 8th International Symposium, Cephalopods – Present and Past (Dijon – France 2010) Poster Abstract volume.


D.A. STEPHEN & K.G. BYLUND, 2010, Late Cretaceous nautiloids from eastern Utah, USA, 8th International Symposium, Cephalopods – Present and Past (Dijon – France 2010) Poster Abstract volume.


Daniel A. Stephen, Kevin G. Bylund, Arnaud Brayard, and Hugo Bucher, 2009, LOWER TRIASSIC AMMONOID BIOSTRATIGRAPHY OF CENTRAL AND WESTERN UTAH, 9th North American Paleontological Convention, June 21-26, 2009, Cincinatti, Ohio.


STEPHEN, Daniel A., MENLOVE, Lara, GOUDEMAND, Nicolas, BYLUND, Kevin G., BRAYARD, Arnaud, McSHINSKY, RaNae Dawn, BUCHER, Hugo, and JENKS, Jim, 2009: EARLY TRIASSIC CONODONTS IN THE PAHVANT RANGE OF CENTRAL UTAH: Abstracts with Programs, Vol. 41, No. 6 Geological Society of America, Rocky Mountain Section (61st Annual) Meeting (11–13 May 2009)


BYLUND, Kevin G., STEPHEN, Daniel A., BRAYARD, Arnaud, BUCHER, Hugo, JENKS, Jim, and McSHINSKY, RaNae Dawn, 2009: AMMONOIDS OF THE LOWER TRIASSIC THAYNES GROUP IN THE PAHVANT RANGE, UTAH: Geological Society of America Abstracts with Programs, Vol. 41, No. 6, Rocky Mountain Section (61st Annual) Meeting (11–13 May 2009)


Dan Stephen, Kevin Bylund, Paul Bybee and Wes Ream, 2008, LOWER TRIASSIC AMMONOID BEDS IN THE CONFUSION RANGE OF WESTERN UTAH: Geological Society of America Abstracts with Programs, Vol. 40, No. 1, Cordilleran Section (104th Annual) and Rocky Mountain Section (60th Annual) Joint Meeting (19–21 March 2008), pg. 59 (be sure to download a copy (4.8M pdf) of the presentation I gave "presentation handout"


Dan Stephen, Kevin Bylund, Paul Bybee and Wes Ream, 2007, AMMONOID MASS MORTALITY BEDS IN THE LOWER TRIASSIC THAYNES FORMATION OF WESTERN UTAH, USA: Seventh International Symposium Cephalopods – Present and Past, 2007, Sapporo, Japan. Abstracts of Oral Presentations, pg. 33