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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Cyclodorippoida</span></h1>
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<th>Cyclodorippoida
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<td class="taxo-bild" style="font-size:smaller;">
<p><i>Cymonomus leblondi</i>
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<th><a href="Systematik_(Biologie)" title="Systematik (Biologie)">Systematik</a>
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<td><i><a href="Stamm_(Biologie)" title="Stamm (Biologie)">Unterstamm</a>:</i>
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<td><a href="Krebstiere" title="Krebstiere">Krebstiere</a> (Crustacea)
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<td><i><a href="Klasse_(Biologie)" title="Klasse (Biologie)">Klasse</a>:</i>
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<td><a href="H%C3%B6here_Krebse" title="Höhere Krebse">Höhere Krebse</a> (Malacostraca)
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<td><i><a href="Ordnung_(Biologie)" title="Ordnung (Biologie)">Ordnung</a>:</i>
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<td><a href="Zehnfu%C3%9Fkrebse" title="Zehnfußkrebse">Zehnfußkrebse</a> (Decapoda)
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<td><i><a href="Ordnung_(Biologie)" title="Ordnung (Biologie)">Unterordnung</a>:</i>
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<td><a href="Pleocyemata" title="Pleocyemata">Pleocyemata</a>
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<td><i><a href="Ordnung_(Biologie)" title="Ordnung (Biologie)">Teilordnung</a>:</i>
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<td><a href="Krabben" title="Krabben">Krabben</a> (Brachyura)
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<td><i>ohne Rang:</i>
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<td>Cyclodorippoida
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<th><a href="Nomenklatur_(Biologie)" title="Nomenklatur (Biologie)">Wissenschaftlicher Name</a>
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<td class="taxo-name">Cyclodorippoida
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<td class="Person"><a href="Shane_T._Ahyong" title="Shane T. Ahyong">Ahyong</a>, Lai, Sharkey, Colgan & Ng, 2007
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<p>Die <b>Cyclodorippoida</b> sind eine Gruppe (auch als Section bezeichnet) der <a href="Krabben" title="Krabben">Krabben</a>. Es handelt sich um kleine, langbeinige Krabben, die vor allem in der <a href="Tiefsee" title="Tiefsee">Tiefsee</a> auftreten. Sie enthält mit den <a href="Cyclodorippoidea" title="Cyclodorippoidea">Cyclodorippoidea</a> nur eine Überfamilie nach der klassischen Überfamilien-Familien-Systematik.<sup id="cite_ref-Poore_1-0" class="reference"><a href="#cite_note-Poore-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Das folgende <a href="Kladogramm" class="mw-redirect" title="Kladogramm">Kladogramm</a> zeigt die Verwandtschaftsverhältnisse innerhalb der Krabben:<sup id="cite_ref-Wolfe_et_al._2019_2-0" class="reference"><a href="#cite_note-Wolfe_et_al._2019-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
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<td style="min-width:1em; border-bottom:2px solid; vertical-align:bottom; text-align:center;"> <a href="Krabben" title="Krabben">Krabben</a> (Brachyura)
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<td rowspan="2" style="padding-bottom:3px;">
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<td style="min-width:1em; border-bottom:2px solid; vertical-align:bottom; text-align:center;"><br>
</td>
<td rowspan="2" style="padding-bottom:3px;padding-left:0.5em;">
<p><a href="Dromiacea" title="Dromiacea">Dromiacea</a>
</p>
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<p><a href="Raninoida" class="mw-redirect" title="Raninoida">Raninoida</a>
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<p><b>Cyclodorippoida</b>
</p>
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<td style="border-left:2px solid; border-bottom:2px solid; vertical-align:bottom; text-align:center;"> <a href="Eubrachyura" title="Eubrachyura">Eubrachyura</a>
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<p><a href="Heterotremata" title="Heterotremata">Heterotremata</a>
</p>
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<td style="border-left:2px solid; vertical-align:top;"><br>
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<p><a href="Thoracotremata" title="Thoracotremata">Thoracotremata</a>
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<td valign="top"><br><span style="display:none;">Vorlage:Klade/Wartung/Style</span>
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<div class="mw-heading mw-heading2"><h2 id="Merkmale">Merkmale</h2></div>
<p>Bei den Cyclodorippoida sind die beiden letzten <a href="Schreitbein" class="mw-redirect" title="Schreitbein">Schreitbeinpaare</a> verkleinert, sie werden rückenseitig getragen, ähnlich wie bei einigen <a href="Dromiacea" title="Dromiacea">Dromiacea</a>. Der Dactylus (siehe <a href="Spaltbein" title="Spaltbein">Spaltbein</a>) dieser Beine ist zum Propodus umgebogen und bildet eine <a href="Chela_(Gliederf%C3%BC%C3%9Fer)" title="Chela (Gliederfüßer)">Subchela</a>, die zum Tragen von Gegenständen dient („carrier crabs“). Im Gegensatz zu anderen <a href="Podotremata" title="Podotremata">Podotremata</a> haben die Cyclodorippoida eine breite Sternopleonalhöhle, was sie als Bindeglied zu den <a href="Eubrachyura" title="Eubrachyura">Eubrachyura</a> ausweist.<sup id="cite_ref-Poore_1-1" class="reference"><a href="#cite_note-Poore-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p><p>Erkennungsmerkmale sind: Der <a href="Carapax" title="Carapax">Carapax</a> ist etwa quadratisch. Das dritte <a href="Maxilliped" title="Maxilliped">Maxilliped</a> ist deckelförmig. Propodus und Dactylus der <a href="Pereopode" class="mw-redirect" title="Pereopode">Pereopoden</a> 2–5 sind rundlich oder etwas zusammengedrückt, aber nicht flach. Die objekttragenden Pereopoden 4 und 5 sind annähernd zylindrisch und schlank. Die Geschlechtsöffnungen (<a href="Gonoporus" title="Gonoporus">Gonoporen</a>) liegen bei beiden Geschlechtern <a href="Coxa_(Gliederf%C3%BC%C3%9Fer)" title="Coxa (Gliederfüßer)">coxal</a>.<sup id="cite_ref-Poore_1-2" class="reference"><a href="#cite_note-Poore-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading2"><h2 id="Weblinks">Weblinks</h2></div>
<div class="sisterproject" style="margin:0.1em 0 0 0;"><div class="noresize noviewer" style="display:inline-block; line-height:10px; min-width:1.6em; text-align:center;" aria-hidden="true" role="presentation"><span class="mw-default-size" typeof="mw:File"><span title="Commons"></span></span></div><b><span class=""><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Cyclodorippoida?uselang=de"><span lang="en">Commons</span>: Cyclodorippoida</a></span></b> – Sammlung von Bildern, Videos und Audiodateien</div>
<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
<ol class="references">
<li id="cite_note-Poore-1"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Poore_1-0">a</a></sup> <sup><a href="#cite_ref-Poore_1-1">b</a></sup> <sup><a href="#cite_ref-Poore_1-2">c</a></sup></span> <span class="reference-text"><a href="Gary_C._B._Poore" title="Gary C. B. Poore">Gary C. B. Poore</a>, <a href="Shane_T._Ahyong" title="Shane T. Ahyong">Shane T. Ahyong</a>: <cite class="lang" lang="en" dir="auto" style="font-style:italic">Brachyura</cite>. In: <cite class="lang" lang="en" dir="auto" style="font-style:italic">Marine Decapod Crustacea: A Guide to Families and Genera of the World</cite>. Csiro Publishing, 2023, ISBN 978-1-4863-1180-4, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em"> </span>434</span> (englisch).<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/de.wikipedia.org:Cyclodorippoida&rft.atitle=Brachyura&rft.au=Gary+C.+B.+Poore%2C+Shane+T.+Ahyong&rft.btitle=Marine+Decapod+Crustacea%3A+A+Guide+to+Families+and+Genera+of+the+World&rft.date=2023&rft.genre=book&rft.isbn=9781486311804&rft.pages=434&rft.pub=Csiro+Publishing" style="display:none"> </span></span>
</li>
<li id="cite_note-Wolfe_et_al._2019-2"><span class="mw-cite-backlink"><a href="#cite_ref-Wolfe_et_al._2019_2-0">↑</a></span> <span class="reference-text">Joanna M. Wolfe, Jesse W. Breinholt, Keith A. Crandall, Alan R. Lemmon, Emily Moriarty Lemmon, Laura E. Timm, Mark E. Siddall, Heather D. Bracken-Grissom: <cite class="lang" lang="en" dir="auto" style="font-style:italic">A phylogenomic framework, evolutionary timeline and genomic resources for comparative studies of decapod crustaceans</cite>. In: <cite class="lang" lang="en" dir="auto" style="font-style:italic"><a href="Proceedings_of_the_Royal_Society_B" class="mw-redirect" title="Proceedings of the Royal Society B">Proceedings of the Royal Society B</a> – Biological Sciences</cite>. <span style="white-space:nowrap">Band<span style="display:inline-block;width:.2em"> </span>286</span>, <span style="white-space:nowrap">Nr.<span style="display:inline-block;width:.2em"> </span>1901</span>, April 2019, 20190079, <a href="Digital_Object_Identifier" title="Digital Object Identifier">doi</a>:<span class="uri-handle" style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://doi.org/10.1098/rspb.2019.0079">10.1098/rspb.2019.0079</a></span> (englisch).<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rfr_id=info:sid/de.wikipedia.org:Cyclodorippoida&rft.atitle=A+phylogenomic+framework%2C+evolutionary+timeline+and+genomic+resources+for+comparative+studies+of+decapod+crustaceans&rft.au=Joanna+M.+Wolfe%2C+Jesse+W.+Breinholt%2C+Keith+A.+Crandall%2C+...&rft.date=2019-04&rft.doi=10.1098%2Frspb.2019.0079&rft.genre=journal&rft.issue=1901&rft.jtitle=Proceedings+of+the+Royal+Society+B+-+Biological+Sciences&rft.volume=286" style="display:none"> </span></span>
</li>
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Dieser Artikel wurde von <a class="external text" title="Zuletzt bearbeitet am 2026-01-10" href="https://de.wikipedia.org/wiki/?title=Cyclodorippoida&oldid=263224953">Wikipedia</a> herausgegeben. Der Text ist unter <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.de">Creative Commons Attribution-Share Alike 4.0</a> verfügbar, sofern nicht anders angegeben. Für die Mediendateien können zusätzliche Bedingungen gelten.
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