Dipl.-Biol. Markus Lambertz Institut für Zoologie Rheinische Friedrich-Wilhelms-Universität Bonn Poppelsdorfer Schloss 53115 Bonn, Germany
lambertz(at)uni-bonn(dot)de
*peer-reviewed publications are marked with an asterisk PDF reprints are available for most articles. If not directly linked for download here, please do not hesitate to contact me.
Abstract: We discuss the morphology of the respiratory system regarding the phylogenetic relation among selected Testudines (Tetrapoda: Amniota). Lung structure and the associated coelomic organization are compared in Platysternon megacephalum and in representatives of the most-likely closely related taxa Chelydridae and Testudinoidea (Emydidae+Testudinidae). P. megacephalum shows horizontal intrapulmonary septation in the medial chambers, dividing them into dorsal and ventral lobes. This structure is found only in Platysternon and in the Emydidae, and is interpreted as a possible synapomorphy for these two taxa. In addition to further suggested synapomorphies for Platysternon and the Testudinoidea, we found - in contrast to previous reports - a small post-pulmonary septum (PPS) and incomplete coelomic compartmentalization in the Chelydridae. Thus, all major taxa of Testudines possess a PPS. Since this structure is also present in mammals, archosaurs and some lepidosaurs, the plesiomorphy of a coelomic compartmentalization by the PPS in amniotes in general should be considered. These preliminary results indicate that further comparative study of the respiratory apparatus might help resolve the phylogenetic relationships among the Testudines, as well as to shed light on its evolution among the Amniota. <p>
Keywords: Chelydridae, Coelomic organization, Emydidae, Evolution, Lung anatomy, Post-pulmonary septum, Respiratory biology
Notes: This article is based on a manuscript written in German which has been translated into English for the <i>Reptilia</i>. Simultaneously it has been translated into Spanish and Italian for the respective editions of the <i>Reptilia</i>:<p>
<Font Color="#000000"><u><TT>Markus Lambertz</u></TT></Font> (2011) <b>TaxonomÃa, ecologÃa y evolución del lagarto de la lava de San Cristóbal</b> <i>Reptilia (E)</i> <b>87</b>: 66-72<p>
<Font Color="#000000"><u><TT>Markus Lambertz</u></TT></Font> (2011) <b>Tassonomia, ecologia ed evoluzione della lucertola della lava di San Cristóbal</b> <i>Reptilia (I)</i> <b>36</b>: 62-68
Notes: Contains the abstracts of 6 plenary lectures, 80 oral presentations and 22 posters presented at the <i>2nd International Congress of Respiratory Science</i>, held between 09-13 August 2009 in Bad Honnef, Germany.<p>
Available through most bookstores and amazon.de. Alternatively simply contact me personally.<p>
<UL><u>Please see also the proceedings for the entire meeting:<p></u> </UL>
Steven F Perry (Ed.) (2010): <b>The 2nd International Congress of Respiratory Science</b> <i>Respiratory Physiology & Neurobiology</i> 173(Supplement 1): S1-S82<p>
Link: http://www.sciencedirect.com/science?_ob=PublicationURL&_tockey=%23TOC%237234%232010%23998269999.8998%232253760%23FLA%23&_cdi=7234&_pubType=J&_auth=y&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=7598a87f520b4ff45865694ad6093f72<p>
<UL><u>and the additional proceedings specifically for the symposium <i>Breathing, Locomotion and Everything in between</i>:</u><p></UL>
Jonathan Codd & Wilfried Klein (Eds.) (2010): <b>Breathing, Locomotion and Everything in between</b> <i>Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, Special Issue</i> 156(3): 301-343<p>
Link: http://www.sciencedirect.com/science?_ob=PublicationURL&_tockey=%23TOC%236179%232010%23998439996%231997772%23FLA%23&_cdi=6179&_pubType=J&_auth=y&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=99d016ed353c5b2ed22d055aef937541
