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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Portunoidea</span></h1>
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<table cellpadding="2" class="float-right taxobox infobox" id="Vorlage_Taxobox" style="width:300px;margin-top:0.5em;" summary="Taxobox">
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<th>Portunoidea
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<tr>
<td class="taxo-bild" style="font-size:smaller;">
<p><a href="Gro%C3%9Fe_Pazifische_Schwimmkrabbe" title="Große Pazifische Schwimmkrabbe">Große Pazifische Schwimmkrabbe</a> (<i>Portunus pelagicus</i>)
</p>
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<tr>
<th><a href="Systematik_(Biologie)" title="Systematik (Biologie)">Systematik</a>
</th></tr>
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<td>
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<td><i><a href="Stamm_(Biologie)" title="Stamm (Biologie)">Unterstamm</a>:</i>
</td>
<td><a href="Krebstiere" title="Krebstiere">Krebstiere</a> (Crustacea)
</td></tr>
<tr>
<td><i><a href="Klasse_(Biologie)" title="Klasse (Biologie)">Klasse</a>:</i>
</td>
<td><a href="H%C3%B6here_Krebse" title="Höhere Krebse">Höhere Krebse</a> (Malacostraca)
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<tr>
<td><i><a href="Ordnung_(Biologie)" title="Ordnung (Biologie)">Ordnung</a>:</i>
</td>
<td><a href="Zehnfu%C3%9Fkrebse" title="Zehnfußkrebse">Zehnfußkrebse</a> (Decapoda)
</td></tr>
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<td><i><a href="Ordnung_(Biologie)" title="Ordnung (Biologie)">Unterordnung</a>:</i>
</td>
<td><a href="Pleocyemata" title="Pleocyemata">Pleocyemata</a>
</td></tr>
<tr>
<td><i><a href="Ordnung_(Biologie)" title="Ordnung (Biologie)">Teilordnung</a>:</i>
</td>
<td><a href="Krabben" title="Krabben">Krabben</a> (Brachyura)
</td></tr>


<tr>
<td><i><a href="Familie_(Biologie)" title="Familie (Biologie)">Überfamilie</a>:</i>
</td>
<td>Portunoidea
</td></tr>

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<tr>
<th><a href="Nomenklatur_(Biologie)" title="Nomenklatur (Biologie)">Wissenschaftlicher Name</a>
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<td class="taxo-name">Portunoidea
</td></tr>
<tr>
<td class="Person"><a href="Constantine_S._Rafinesque-Schmaltz" title="Constantine S. Rafinesque-Schmaltz">Rafinesque</a>, 1815
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<p>Die <b>Portunoidea</b> sind eine Überfamilie der <a href="Krabben" title="Krabben">Krabben</a>.<sup id="cite_ref-Davie_et_al._2015_1-0" class="reference"><a href="#cite_note-Davie_et_al._2015-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p>

<div class="mw-heading mw-heading2"><h2 id="Merkmale">Merkmale</h2></div>
<p>Der <a href="Carapax" title="Carapax">Carapax</a> ist sechseckig, rechteckig oder queroval, gewöhnlich breiter als lang und am breitesten am vorn-seitlichen Dorn. Er ist abgeflacht oder schwach gewölbt, die Regionen sind kaum oder allenfalls wenig deutlich abgrenzbar. Der vorn-seitliche Rand kann bis zu neun Dornen tragen, die Stirn ist glatt oder bedornt. Der Lappen am <a href="Endopodit" class="mw-redirect" title="Endopodit">Endopodit</a> des ersten <a href="Maxilliped" title="Maxilliped">Maxilliped</a> („portunid lobe“) ist nicht immer ausgebildet. Die <a href="Scherenbein" class="mw-redirect" title="Scherenbein">Scherenbeine</a> sind meist kräftig. Das fünfte <a href="Schreitbein" class="mw-redirect" title="Schreitbein">Schreitbein</a> kann ovale sowie abgeflachte Dactyli und Propodi tragen. Die <a href="Sternum_(Gliederf%C3%BC%C3%9Fer)" title="Sternum (Gliederfüßer)">Sternalnähte</a> 4/5, 5/6, 6/7 und 7/8 sind üblicherweise unvollständig, S8 ist von der Bauchseite meist sichtbar. Die <a href="Gonoporus" title="Gonoporus">Geschlechtsöffnung</a> der Männchen liegt <a href="Coxa_(Gliederf%C3%BC%C3%9Fer)" title="Coxa (Gliederfüßer)">coxal</a>, die <a href="Vulva" title="Vulva">Vulva</a> sternal. Die <a href="Somit" title="Somit">Somiten</a> des <a href="Pleon_(Krebse)" title="Pleon (Krebse)">Pleons</a> sind bei Männchen frei oder das dritte bis fünfte verschmolzen, wobei die Nähte oft sichtbar bleiben. Das erste <a href="Gonopodium" title="Gonopodium">Gonopodium</a> ist stark gebogen und sein Ende erweitert.<sup id="cite_ref-Davie_et_al._2015_1-1" class="reference"><a href="#cite_note-Davie_et_al._2015-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading2"><h2 id="Systematik">Systematik</h2></div>
<p>Die Überfamilie enthält neun <a href="Rezent" title="Rezent">rezente</a> Familien:<sup id="cite_ref-Davie_et_al._2015_1-2" class="reference"><a href="#cite_note-Davie_et_al._2015-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-WoRMS_2-0" class="reference"><a href="#cite_note-WoRMS-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
</p>
<ul><li><a href="Brusiniidae" class="mw-redirect" title="Brusiniidae">Brusiniidae</a> <style data-mw-deduplicate="TemplateStyles:r261921330">
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</style><span class="Person h-card">Števčić</span>, 1991</li>
<li><a href="Carcinidae" title="Carcinidae">Carcinidae</a> <span class="Person h-card">MacLeay</span>, 1838</li>
<li><a href="Geryonidae" title="Geryonidae">Geryonidae</a> <span class="Person h-card">Colosi</span>, 1924</li>
<li><a href="Nautilocorystidae" class="mw-redirect" title="Nautilocorystidae">Nautilocorystidae</a> <span class="Person h-card">Ortmann</span>, 1893</li>
<li><a href="Ovalipidae" class="mw-redirect" title="Ovalipidae">Ovalipidae</a> <span class="Person h-card">Spiridonov, Neretina &amp; Schepetov</span>, 2014</li>
<li><a href="Pirimelidae" class="mw-redirect" title="Pirimelidae">Pirimelidae</a> <span class="Person h-card">Alcock</span>, 1899</li>
<li><a href="Polybiidae" title="Polybiidae">Polybiidae</a> <span class="Person h-card">Paulson</span>, 1875</li>
<li><a href="Schwimmkrabben" title="Schwimmkrabben">Portunidae</a> <span class="Person h-card">Rafinesque</span>, 1815</li>
<li><a href="Thiidae" class="mw-redirect" title="Thiidae">Thiidae</a> <span class="Person h-card">Dana</span>, 1852</li></ul>
<div class="mw-heading mw-heading2"><h2 id="Weblinks">Weblinks</h2></div>
<div class="sisterproject" style="margin:0.1em 0 0 0;"><div class="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="Wikispecies"></span></span></div><b><span class=""><a class="external text" href="https://species.wikimedia.org/wiki/Portunoidea?uselang=de"><span lang="en">Wikispecies</span>: Portunoidea</a></span></b>&nbsp;– Artenverzeichnis</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:Portunoidea?uselang=de"><span lang="en">Commons</span>: Portunoidea</a></span></b>&nbsp;– 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-Davie_et_al._2015-1"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Davie_et_al._2015_1-0">a</a></sup> <sup><a href="#cite_ref-Davie_et_al._2015_1-1">b</a></sup> <sup><a href="#cite_ref-Davie_et_al._2015_1-2">c</a></sup></span> <span class="reference-text">Peter J. F. Davie, <a href="Dani%C3%A8le_Guinot" title="Danièle Guinot">Danièle Guinot</a>, Peter K. L. Ng: <cite class="lang" lang="en" dir="auto" style="font-style:italic">Systematics and Classification of the Brachyura</cite>. In: Peter Castro, Peter J. F. Davie, Danièle Guinot, Frederick R. Schram, J. Carel von Vaupel Klein (Hrsg.): <cite class="lang" lang="en" dir="auto" style="font-style:italic">The Crustacea</cite>. <span style="white-space:nowrap">Band<span style="display:inline-block;width:.2em">&nbsp;</span>2</span>. Koninklijke Brill NV, Leiden 2015, ISBN 978-90-04-19083-2, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em">&nbsp;</span>1098–1099</span> (englisch).<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rfr_id=info:sid/de.wikipedia.org:Portunoidea&amp;rft.atitle=Systematics+and+Classification+of+the+Brachyura&amp;rft.au=Peter+J.+F.+Davie%2C+Dani%C3%A8le+Guinot%2C+Peter+K.+L.+Ng&amp;rft.btitle=The+Crustacea&amp;rft.date=2015&amp;rft.genre=book&amp;rft.isbn=9789004190832&amp;rft.pages=1098-1099&amp;rft.place=Leiden&amp;rft.pub=Koninklijke+Brill+NV&amp;rft.volume=2" style="display:none">&nbsp;</span></span>
</li>
<li id="cite_note-WoRMS-2"><span class="mw-cite-backlink"><a href="#cite_ref-WoRMS_2-0">↑</a></span> <span class="reference-text"><span class="cite"><a rel="nofollow" class="external text" href="https://www.marinespecies.org/aphia.php?p=taxdetails&amp;id=106702"><i>Portunoidea Rafinesque, 1815.</i></a> In: <i><a href="World_Register_of_Marine_Species" title="World Register of Marine Species">World Register of Marine Species</a>.</i> DecaNet,<span class="Abrufdatum"> abgerufen am 11.&nbsp;August 2025</span> (englisch).</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&amp;rfr_id=info%3Asid%2Fde.wikipedia.org%3APortunoidea&amp;rft.title=Portunoidea+Rafinesque%2C+1815&amp;rft.description=Portunoidea+Rafinesque%2C+1815&amp;rft.identifier=https%3A%2F%2Fwww.marinespecies.org%2Faphia.php%3Fp%3Dtaxdetails%26id%3D106702&amp;rft.publisher=DecaNet&amp;rft.language=en">&nbsp;</span></span>
</li>
</ol>
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<div class="klappleiste mw-collapsible navileiste erweiterte-navigationsleiste navigation-not-searchable center" role="navigation">
<div class="klappleiste-kopf" style="background:#99AADD;">Rezente Überfamilien der Krabben</div>
<div class="klappleiste-inhalt mw-collapsible-content" style="clear:left"><div class="erw-nav-leiste" style="margin:.1em 0;border-top:1px solid #FFF;padding-top:.2em;padding-bottom:.15em;background:#E6E6FF;text-align:center;font-size:95%"> Stamm <a href="Gliederf%C3%BC%C3%9Fer" title="Gliederfüßer">Gliederfüßer</a> → Unterstamm <a href="Krebstiere" title="Krebstiere">Krebstiere</a> → Klasse <a href="H%C3%B6here_Krebse" title="Höhere Krebse">Höhere Krebse</a> → Ordnung <a href="Zehnfu%C3%9Fkrebse" title="Zehnfußkrebse">Zehnfußkrebse</a> → Unterordnung <a href="Pleocyemata" title="Pleocyemata">Pleocyemata</a> → Teilordnung <a href="Krabben" title="Krabben">Krabben</a> </div>
<table class="wikitable erw-nav-zebra" style="width:100%;margin:0;text-align:left;font-size:95%;margin-top:.1em;margin-bottom:.0em;">


<tbody><tr>
<td class="erw-nav-gruppe" style="white-space: nowrap;text-align: right;background:#E6E6FF;border: 1px solid transparent;border-top: 1px solid #FFF;border-bottom: 2px solid #FFF;padding: 0 1em;"><b>Section <a href="Dromiacea" title="Dromiacea">Dromiacea</a></b>
</td>
<td class="hlist" style="text-align: left;border-left: 2px solid #fdfdfd;width: 100%;margin: .4em 0;border-color: #fdfdfd;padding: 0 .25em;">
<p><a href="Dromioidea" title="Dromioidea">Dromioidea</a> • <a href="Homolodromiidae" title="Homolodromiidae">Homolodromioidea</a>
</p>
</td>
<td class="erw-nav-bild" style="width:0; padding:0 2px 0 0; border:1px solid transparent;" rowspan="5"><div class="noviewer" aria-hidden="true" role="presentation"><span typeof="mw:File"></span></div>
</td></tr>
<tr>
<td class="erw-nav-gruppe" style="white-space: nowrap;text-align: right;background:#E6E6FF;border: 1px solid transparent;border-top: 1px solid #FFF;border-bottom: 2px solid #FFF;padding: 0 1em;"><b>Section <a href="Homoloida" title="Homoloida">Homoloida</a></b>
</td>
<td class="hlist" style="text-align: left;border-left: 2px solid #fdfdfd;width: 100%;margin: .4em 0;border-color: #fdfdfd;padding: 0 .25em;">
<p><a href="Homoloidea" title="Homoloidea">Homoloidea</a>
</p>
</td></tr>
<tr>
<td class="erw-nav-gruppe" style="white-space: nowrap;text-align: right;background:#E6E6FF;border: 1px solid transparent;border-top: 1px solid #FFF;border-bottom: 2px solid #FFF;padding: 0 1em;"><b>Section <a href="Raninoidea" title="Raninoidea">Raninoida</a></b>
</td>
<td class="hlist" style="text-align: left;border-left: 2px solid #fdfdfd;width: 100%;margin: .4em 0;border-color: #fdfdfd;padding: 0 .25em;">
<p><a href="Raninoidea" title="Raninoidea">Raninoidea</a>
</p>
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<p><a href="Cyclodorippoidea" title="Cyclodorippoidea">Cyclodorippoidea</a>
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<p><a href="Aethridae" title="Aethridae">Aethroidea</a> • <a href="Bellioidea" title="Bellioidea">Bellioidea</a> • <a href="Bythograeidae" title="Bythograeidae">Bythograeoidea</a> • <a href="Calappoidea" title="Calappoidea">Calappoidea</a> • <a href="Cancroidea" title="Cancroidea">Cancroidea</a> • <a href="Carpilioidea" title="Carpilioidea">Carpilioidea</a> • <a href="Cheiragonidae" title="Cheiragonidae">Cheiragonoidea</a> • <a href="Corystidae" title="Corystidae">Corystoidea</a> • <a href="Dairoidea" title="Dairoidea">Dairoidea</a> • <a href="Dorippoidea" title="Dorippoidea">Dorippoidea</a> • <a href="Eriphioidea" title="Eriphioidea">Eriphioidea</a> • <a href="Gecarcinucidae" title="Gecarcinucidae">Gecarcinucoidea</a> • <a href="Goneplacoidea" title="Goneplacoidea">Goneplacoidea</a> • <a href="Hexapodidae" title="Hexapodidae">Hexapodoidea</a> • <a href="Hymenosomatidae" title="Hymenosomatidae">Hymenosomatoidea</a> • <a href="Leucosioidea" title="Leucosioidea">Leucosioidea</a> • <a href="Majoidea" title="Majoidea">Majoidea</a> • <a href="Orithyia_sinica" title="Orithyia sinica">Orithyioidea</a> • <a href="Palicoidea" title="Palicoidea">Palicoidea</a> • <a href="Parthenopidae" title="Parthenopidae">Parthenopoidea</a> • <a href="Pilumnoidea" title="Pilumnoidea">Pilumnoidea</a> • <a class="mw-selflink selflink">Portunoidea</a> • <a href="Potamoidea" title="Potamoidea">Potamoidea</a> • <a href="Tasmanische_Riesenkrabbe" title="Tasmanische Riesenkrabbe">Pseudocarcinoidea</a> • <a href="Pseudothelphusoidea" title="Pseudothelphusoidea">Pseudothelphusoidea</a> • <a href="Pseudozioidea" title="Pseudozioidea">Pseudozioidea</a> • <a href="Retroplumidae" title="Retroplumidae">Retroplumoidea</a> • <a href="Trapezioidea" title="Trapezioidea">Trapezioidea</a> • <a href="Trichodactylidae" title="Trichodactylidae">Trichodactyloidea</a> • <a href="Trichopeltariidae" title="Trichopeltariidae">Trichopeltarioidea</a> • <a href="Xanthoidea" title="Xanthoidea">Xanthoidea</a>
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<p><a href="Aphanodactylidae" title="Aphanodactylidae">Aphanodactyloidea</a> • <a href="Gallkrabben" title="Gallkrabben">Cryptochiroidea</a> • <a href="Grapsoidea" title="Grapsoidea">Grapsoidea</a> • <a href="Ocypodoidea" title="Ocypodoidea">Ocypodoidea</a> • <a href="Pinnotheroidea" title="Pinnotheroidea">Pinnotheroidea</a>
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