Search Results - "CLAESSENS, LEON P. A. M."

Respiratory evolution facilitated the origin of pterosaur flight and aerial gigantism by Claessens, Leon P A M, O'Connor, Patrick M, Unwin, David M

“…Pterosaurs, enigmatic extinct Mesozoic reptiles, were the first vertebrates to achieve true flapping flight. Various lines of evidence provide strong support…”
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Basic avian pulmonary design and flow-through ventilation in non-avian theropod dinosaurs by O'Connor, Patrick M, Claessens, Leon P. A. M

“…Birds are unique among living vertebrates in possessing pneumaticity of the postcranial skeleton, with invasion of bone by the pulmonary air-sac system. The…”
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Deep reptilian evolutionary roots of a major avian respiratory adaptation by Wang, Yan-yin, Claessens, Leon P. A. M., Sullivan, Corwin

“…Vertebral ribs of the anterior thorax in extant birds bear bony prongs called uncinate processes, which improve the mechanical advantage of mm…”
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A Redescription of Ornithomimus velox Marsh, 1890 (Dinosauria, Theropoda) by Claessens, Leon P. A. M, Loewen, Mark A

“…The theropod genus and species Ornithomimus velox was erected based on a partial hind limb recovered from the late Maastrichtian Denver Formation. A partial…”
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DINOSAUR GASTRALIA; ORIGIN, MORPHOLOGY, AND FUNCTION by CLAESSENS, LEON P. A. M

“…Gastralia are dermal ossifications situated in the ventral abdominal wall. Gastralia may be plesiomorphic for tetrapods, but are only retained in extant…”
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Archosaurian respiration and the pelvic girdle aspiration breathing of crocodyliforms by Claessens, Leon P. A. M.

“…Birds and crocodylians, the only living archosaurs, are generally believed to employ pelvic girdle movements as a component of their respiratory mechanism…”
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Open data and digital morphology by Davies, Thomas G., Rahman, Imran A., Lautenschlager, Stephan, Cunningham, John A., Asher, Robert J., Barrett, Paul M., Bates, Karl T., Bengtson, Stefan, Benson, Roger B. J., Boyer, Doug M., Braga, José, Bright, Jen A., Claessens, Leon P. A. M., Cox, Philip G., Dong, Xi-Ping, Evans, Alistair R., Falkingham, Peter L., Friedman, Matt, Garwood, Russell J., Goswami, Anjali, Hutchinson, John R., Jeffery, Nathan S., Johanson, Zerina, Lebrun, Renaud, Martínez-Pérez, Carlos, Marugán-Lobón, Jesús, O'Higgins, Paul M., Metscher, Brian, Orliac, Maëva, Rowe, Timothy B., Rücklin, Martin, Sánchez-Villagra, Marcelo R., Shubin, Neil H., Smith, Selena Y., Starck, J. Matthias, Stringer, Chris, Summers, Adam P., Sutton, Mark D., Walsh, Stig A., Weisbecker, Vera, Witmer, Lawrence M., Wroe, Stephen, Yin, Zongjun, Rayfield, Emily J., Donoghue, Philip C. J.

“…Over the past two decades, the development of methods for visualizing and analysing specimens digitally, in three and even four dimensions, has transformed the…”
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The skeletal kinematics of lung ventilation in three basal bird taxa (emu, tinamou, and guinea fowl) by Claessens, Leon P.A.M.

“…In vivo visceral and skeletal kinematics of lung ventilation was examined using cineradiography in two palaeognaths, the emu (Dromaius novaehollandiae) and the…”
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The evolution, development and skeletal identity of the crocodylian pelvis: Revisiting a forgotten scientific debate by Claessens, Leon P.A.M., Vickaryous, Matthew K.

“…Unlike most tetrapods, in extant crocodylians the acetabulum is formed by only two of the three skeletal elements that constitute the pelvis, the ilium, and…”
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A cineradiographic study of lung ventilation in Alligator mississippiensis by Claessens, Leon P.A.M.

“…The skeletal and visceral kinematics of lung ventilation of the American alligator (Alligator mississippiensis) was examined using cineradiography,…”
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Respiratory Evolution in Sauropsids: Progress and New Approaches by O'Connor, Patrick M., Claessens, Leon P.A.M.

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Basic avian pulmonary design and flow-through ventilation in non-avian theropod dinosaurs by O'Connor, Patrick M, Claessens, Leon P A M

“…Birds are unique among living vertebrates in possessing pneumaticity of the postcranial skeleton, with invasion of bone by the pulmonary air-sac system. The…”
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A REDESCRIPTION OF ORNITHOMIMUS VELOX MARSH, 1890 (DINOSAURIA, THEROPODA) by CLAESSENS, LEON P. A. M., LOEWEN, MARK A.

“…The theropod genus and species Ornithomimus velox was erected based on a partial hind limb recovered from the late Maastrichtian Denver Formation. A partial…”
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The changing face of the dodo (Aves: Columbidae:Raphus cucullatus): iconography of the Walghvogel of Mauritius by van der Geer, Alexandra A.E., Claessens, Leon P.A.M., Rijsdijk, Kenneth F., Lyras, George A.

“…The dodo (Raphus cucullatus) was a large, flightless pigeon endemic to the island of Mauritius (Indian Ocean). Its unusual appearance was recorded in several…”
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Provenance and history of the Thirioux dodos by Claessens, Leon P. A. M., Hume, Julian P.

“…The exact provenance of the two associated dodo skeletons collected in the vicinity of Port Louis, Mauritius, around the turn of the 19th century is shrouded…”
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The Morphology of the Thirioux dodos by Claessens, Leon P. A. M., Meijer, Hanneke J. M., Hume, Julian P.

“…Despite its status as an icon of extinction and relatively recent disappearance, our knowledge of the anatomy of the dodo has been hampered by a scarcity of…”
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Preface by Claessens, Leon P. A. M., Meijer, Hanneke J. M., Hume, Julian P., Rijsdijk, Kenneth F.

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Preface by Claessens, Leon P. A. M., Meijer, Hanneke J. M., Hume, Julian P., Rijsdijk, Kenneth F.

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A review of the dodo and its ecosystem: insights from a vertebrate concentration Lagerstätte in Mauritius by Rijsdijk, Kenneth F., Hume, Julian P., Louw, Perry G. B. De, Meijer, Hanneke J. M., Janoo, Anwar, De Boer, Erik J., Steel, Lorna, De Vos, John, Van Der Sluis, Laura G., Hooghiemstra, Henry, Florens, F. B. Vincent, Baider, Cláudia, Vernimmen, Tamara J. J., Baas, Pieter, Van Heteren, Anneke H., Rupear, Vikash, Beebeejaun, Gorah, Grihault, Alan, Van Der Plicht, J. (Hans), Besselink, Marijke, Lubeek, Juliën K., Jansen, Max, Kluiving, Sjoerd J., Hollund, Hege, Shapiro, Beth, Collins, Matthew, Buckley, Mike, Jayasena, Ranjith M., Porch, Nicolas, Floore, Rene, Bunnik, Frans, Biedlingmaier, Andrew, Leavitt, Jennifer, Monfette, Gregory, Kimelblatt, Anna, Randall, Adrienne, Floore, Pieter, Claessens, Leon P. A. M.

“…The dodo Raphus cucullatus Linnaeus, 1758 , an extinct and flightless, giant pigeon endemic to Mauritius, has fascinated people since its discovery, yet has…”
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A REVIEW OF THE DODO AND ITS ECOSYSTEM: INSIGHTS FROM A VERTEBRATE CONCENTRATION LAGERSTÄTTE IN MAURITIUS by RIJSDIJK, KENNETH F., HUME, JULIAN P., DE LOUW, PERRY G. B., MEIJER, HANNEKE J. M., JANOO, ANWAR, DE BOER, ERIK J., STEEL, LORNA, DE VOS, JOHN, VAN DER SLUIS, LAURA G., HOOGHIEMSTRA, HENRY, FLORENS, F. B. VINCENT, BAIDER, CLÀUDIA, VERNIMMEN, TAMARA J. J., BAAS, PIETER, VAN HETEREN, ANNEKE H., RUPEAR, VIKASH, BEEBEEJAUN, GORAH, GRIHAULT, ALAN, VAN DER PLICHT, J. (HANS), BESSELINK, MARIJKE, LUBEEK, JULIËN, JANSEN, MAX, KLUIVING, SJOERD J., HOLLUND, HEGE, SHAPIRO, BETH, COLLINS, MATTHEW, BUCKLEY, MIKE, JAYASENA, RANJITH M., PORCH, NICOLAS, FLOORE, RENE, BUNNIK, FRANS, BIEDLINGMAIER, ANDREW, LEAVITT, JENNIFER, MONFETTE, GREGORY, KIMELBLATT, ANNA, RANDALL, ADRIENNE, FLOORE, PIETER, CLAESSENS, LEON P. A. M.

“…The dodo Raphus cucullatus Linnaeus, 1758, an extinct and flightless, giant pigeon endemic to Mauritius, has fascinated people since its discovery, yet has…”
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